./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_has-floats_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:48:35,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:48:35,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:48:35,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:48:35,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:48:35,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:48:35,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:48:35,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:48:35,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:48:35,558 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:48:35,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:48:35,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:48:35,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:48:35,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:48:35,562 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:48:35,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:48:35,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:48:35,563 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:48:35,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:48:35,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:48:35,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:48:35,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:48:35,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:48:35,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:48:35,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:48:35,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:48:35,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:48:35,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:48:35,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:48:35,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:48:35,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:48:35,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:48:35,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:48:35,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:48:35,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:48:35,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:48:35,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:48:35,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:48:35,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:48:35,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:48:35,576 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:48:35,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:48:35,576 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 [2024-10-24 08:48:35,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:48:35,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:48:35,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:48:35,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:48:35,891 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:48:35,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2024-10-24 08:48:37,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:48:37,542 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:48:37,542 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2024-10-24 08:48:37,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8384210/0516121adde545e3a82b77b2c83ecb49/FLAGca91042e1 [2024-10-24 08:48:37,566 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c8384210/0516121adde545e3a82b77b2c83ecb49 [2024-10-24 08:48:37,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:48:37,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:48:37,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:48:37,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:48:37,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:48:37,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7bbc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37, skipping insertion in model container [2024-10-24 08:48:37,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:48:37,791 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_has-floats_file-75.i[917,930] [2024-10-24 08:48:37,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:48:37,851 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:48:37,861 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_has-floats_file-75.i[917,930] [2024-10-24 08:48:37,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:48:37,901 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:48:37,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37 WrapperNode [2024-10-24 08:48:37,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:48:37,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:48:37,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:48:37,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:48:37,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,949 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-10-24 08:48:37,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:48:37,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:48:37,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:48:37,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:48:37,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,998 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:48:37,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:37,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:38,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:38,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:38,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:38,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:38,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:48:38,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:48:38,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:48:38,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:48:38,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (1/1) ... [2024-10-24 08:48:38,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:48:38,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:48:38,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:48:38,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:48:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:48:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:48:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:48:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:48:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:48:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:48:38,224 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:48:38,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:48:38,473 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 08:48:38,473 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:48:38,521 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:48:38,522 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:48:38,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:48:38 BoogieIcfgContainer [2024-10-24 08:48:38,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:48:38,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:48:38,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:48:38,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:48:38,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:48:37" (1/3) ... [2024-10-24 08:48:38,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d29e585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:48:38, skipping insertion in model container [2024-10-24 08:48:38,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:37" (2/3) ... [2024-10-24 08:48:38,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d29e585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:48:38, skipping insertion in model container [2024-10-24 08:48:38,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:48:38" (3/3) ... [2024-10-24 08:48:38,531 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-75.i [2024-10-24 08:48:38,547 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:48:38,548 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:48:38,603 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:48:38,611 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;@2a4710fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:48:38,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:48:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 08:48:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 08:48:38,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:38,635 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:38,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:38,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:38,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1944865103, now seen corresponding path program 1 times [2024-10-24 08:48:38,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:48:38,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351085833] [2024-10-24 08:48:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:38,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:48:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:48:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:48:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:48:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:48:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:48:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:48:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:48:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:48:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:48:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:48:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:48:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:39,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:48:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:39,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:48:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:39,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:48:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:39,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:48:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:39,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:48:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:39,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:48:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:48:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-24 08:48:39,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:48:39,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351085833] [2024-10-24 08:48:39,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351085833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:48:39,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:48:39,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:48:39,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521194831] [2024-10-24 08:48:39,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:48:39,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:48:39,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:48:39,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:48:39,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:48:39,108 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 08:48:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:48:39,153 INFO L93 Difference]: Finished difference Result 87 states and 153 transitions. [2024-10-24 08:48:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:48:39,159 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2024-10-24 08:48:39,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:48:39,165 INFO L225 Difference]: With dead ends: 87 [2024-10-24 08:48:39,166 INFO L226 Difference]: Without dead ends: 43 [2024-10-24 08:48:39,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:48:39,172 INFO L432 NwaCegarLoop]: 61 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, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:48:39,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:48:39,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-24 08:48:39,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-24 08:48:39,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 08:48:39,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 64 transitions. [2024-10-24 08:48:39,217 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 64 transitions. Word has length 103 [2024-10-24 08:48:39,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:48:39,218 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 64 transitions. [2024-10-24 08:48:39,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 08:48:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-10-24 08:48:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 08:48:39,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:39,224 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:39,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:48:39,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:39,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash -651391347, now seen corresponding path program 1 times [2024-10-24 08:48:39,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:48:39,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000418774] [2024-10-24 08:48:39,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:39,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:48:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 08:48:39,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611933036] [2024-10-24 08:48:39,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:39,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:48:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:48:39,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 08:48:39,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:48:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:48:39,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:48:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:48:39,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:48:39,626 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:48:39,627 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:48:39,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 08:48:39,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:48:39,834 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 08:48:39,914 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:48:39,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:48:39 BoogieIcfgContainer [2024-10-24 08:48:39,917 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:48:39,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:48:39,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:48:39,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:48:39,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:48:38" (3/4) ... [2024-10-24 08:48:39,920 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:48:39,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:48:39,922 INFO L158 Benchmark]: Toolchain (without parser) took 2352.35ms. Allocated memory was 169.9MB in the beginning and 245.4MB in the end (delta: 75.5MB). Free memory was 118.7MB in the beginning and 167.5MB in the end (delta: -48.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-10-24 08:48:39,922 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 169.9MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:48:39,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.43ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 104.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 08:48:39,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.82ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 101.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 08:48:39,924 INFO L158 Benchmark]: Boogie Preprocessor took 64.58ms. Allocated memory is still 169.9MB. Free memory was 101.9MB in the beginning and 98.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 08:48:39,924 INFO L158 Benchmark]: RCFGBuilder took 497.73ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 78.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 08:48:39,925 INFO L158 Benchmark]: TraceAbstraction took 1392.69ms. Allocated memory was 169.9MB in the beginning and 245.4MB in the end (delta: 75.5MB). Free memory was 78.1MB in the beginning and 167.5MB in the end (delta: -89.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:48:39,925 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 245.4MB. Free memory is still 167.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:48:39,927 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 169.9MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.43ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 104.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.82ms. Allocated memory is still 169.9MB. Free memory was 104.3MB in the beginning and 101.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.58ms. Allocated memory is still 169.9MB. Free memory was 101.9MB in the beginning and 98.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 497.73ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 78.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1392.69ms. Allocated memory was 169.9MB in the beginning and 245.4MB in the end (delta: 75.5MB). Free memory was 78.1MB in the beginning and 167.5MB in the end (delta: -89.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 245.4MB. Free memory is still 167.5MB. 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 97, overapproximation of someBinaryFLOATComparisonOperation at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 32; [L24] signed long int var_1_8 = -100; [L25] double var_1_10 = 5.95; [L26] unsigned char var_1_12 = 128; [L27] unsigned char var_1_13 = 200; [L28] unsigned char var_1_14 = 8; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 128; [L31] unsigned char var_1_17 = 1; [L32] float var_1_18 = 2.25; [L33] float var_1_19 = 16.875; [L34] signed char var_1_20 = -4; [L35] signed char var_1_21 = 10; [L36] signed long int last_1_var_1_8 = -100; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_8 = var_1_8 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L68] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L68] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L70] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L71] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L71] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L73] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L74] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L74] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L75] var_1_14 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L77] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L77] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L78] var_1_15 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L79] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L80] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L80] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L81] var_1_16 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L82] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L83] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L83] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L84] var_1_17 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L85] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L86] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L86] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L87] var_1_19 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L88] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=1, var_1_8=-100] [L89] var_1_21 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L90] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L91] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L91] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=1, var_1_8=-100] [L105] RET updateVariables() [L106] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-100] [L42] COND TRUE (var_1_18 / var_1_10) >= (var_1_18 / 128.6) [L43] var_1_8 = ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L51] signed long int stepLocal_0 = (var_1_8 * var_1_20) * var_1_8; VAL [isInitial=1, last_1_var_1_8=-100, stepLocal_0=-980100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L52] COND TRUE stepLocal_0 < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8))) [L53] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L57] COND FALSE !((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) [L62] var_1_12 = var_1_17 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return (((((((var_1_8 * var_1_20) * var_1_8) < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_7))) && (((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) ? (var_1_8 == ((signed long int) ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20))) : ((var_1_18 <= var_1_10) ? (var_1_8 == ((signed long int) 256)) : (var_1_8 == ((signed long int) var_1_20))))) && (((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) ? (var_1_15 ? (var_1_12 == ((unsigned char) (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))))) : 1) : (var_1_12 == ((unsigned char) var_1_17)))) && (var_1_18 == ((float) var_1_19))) && (var_1_20 == ((signed char) var_1_21)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=1, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_20=-100, var_1_21=-100, var_1_7=1, var_1_8=-99] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 17, 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, 61 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, 61 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 08:48:39,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:48:42,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:48:42,385 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:48:42,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:48:42,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:48:42,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:48:42,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:48:42,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:48:42,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:48:42,427 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:48:42,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:48:42,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:48:42,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:48:42,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:48:42,430 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:48:42,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:48:42,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:48:42,431 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:48:42,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:48:42,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:48:42,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:48:42,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:48:42,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:48:42,434 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:48:42,437 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:48:42,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:48:42,438 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:48:42,438 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:48:42,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:48:42,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:48:42,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:48:42,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:48:42,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:48:42,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:48:42,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:48:42,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:48:42,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:48:42,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:48:42,442 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:48:42,442 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:48:42,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:48:42,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:48:42,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:48:42,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:48:42,443 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:48:42,444 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 [2024-10-24 08:48:42,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:48:42,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:48:42,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:48:42,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:48:42,815 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:48:42,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2024-10-24 08:48:44,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:48:44,685 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:48:44,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2024-10-24 08:48:44,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b001c1fcd/9de977a06f5d4def832b7c901d7ef81a/FLAGa09874307 [2024-10-24 08:48:45,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b001c1fcd/9de977a06f5d4def832b7c901d7ef81a [2024-10-24 08:48:45,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:48:45,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:48:45,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:48:45,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:48:45,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:48:45,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd4f297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45, skipping insertion in model container [2024-10-24 08:48:45,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:48:45,285 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_has-floats_file-75.i[917,930] [2024-10-24 08:48:45,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:48:45,365 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:48:45,376 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_has-floats_file-75.i[917,930] [2024-10-24 08:48:45,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:48:45,430 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:48:45,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45 WrapperNode [2024-10-24 08:48:45,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:48:45,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:48:45,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:48:45,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:48:45,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,485 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-10-24 08:48:45,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:48:45,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:48:45,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:48:45,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:48:45,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,529 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:48:45,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:48:45,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:48:45,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:48:45,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:48:45,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (1/1) ... [2024-10-24 08:48:45,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:48:45,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:48:45,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:48:45,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:48:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:48:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:48:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:48:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:48:45,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:48:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:48:45,749 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:48:45,751 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:48:59,562 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 08:48:59,563 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:48:59,622 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:48:59,623 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:48:59,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:48:59 BoogieIcfgContainer [2024-10-24 08:48:59,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:48:59,625 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:48:59,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:48:59,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:48:59,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:48:45" (1/3) ... [2024-10-24 08:48:59,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149e4fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:48:59, skipping insertion in model container [2024-10-24 08:48:59,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:48:45" (2/3) ... [2024-10-24 08:48:59,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149e4fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:48:59, skipping insertion in model container [2024-10-24 08:48:59,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:48:59" (3/3) ... [2024-10-24 08:48:59,634 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-75.i [2024-10-24 08:48:59,650 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:48:59,650 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:48:59,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:48:59,717 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;@27a9641e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:48:59,718 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:48:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 08:48:59,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 08:48:59,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:48:59,736 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:48:59,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:48:59,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:48:59,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1944865103, now seen corresponding path program 1 times [2024-10-24 08:48:59,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:48:59,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878979313] [2024-10-24 08:48:59,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:48:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:48:59,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:48:59,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 08:48:59,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 08:49:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:49:01,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:49:01,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:49:01,171 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-10-24 08:49:01,172 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:49:01,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:49:01,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878979313] [2024-10-24 08:49:01,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [878979313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:49:01,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:49:01,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:49:01,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943159427] [2024-10-24 08:49:01,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:49:01,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:49:01,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:49:01,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:49:01,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:49:01,209 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 08:49:06,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:49:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:49:06,018 INFO L93 Difference]: Finished difference Result 87 states and 153 transitions. [2024-10-24 08:49:06,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:49:06,246 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2024-10-24 08:49:06,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:49:06,252 INFO L225 Difference]: With dead ends: 87 [2024-10-24 08:49:06,253 INFO L226 Difference]: Without dead ends: 43 [2024-10-24 08:49:06,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:49:06,258 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:49:06,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-10-24 08:49:06,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-24 08:49:06,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-24 08:49:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-24 08:49:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 64 transitions. [2024-10-24 08:49:06,297 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 64 transitions. Word has length 103 [2024-10-24 08:49:06,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:49:06,297 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 64 transitions. [2024-10-24 08:49:06,297 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 08:49:06,298 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-10-24 08:49:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 08:49:06,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:49:06,300 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:49:06,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 08:49:06,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:49:06,501 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:49:06,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:49:06,502 INFO L85 PathProgramCache]: Analyzing trace with hash -651391347, now seen corresponding path program 1 times [2024-10-24 08:49:06,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:49:06,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322952185] [2024-10-24 08:49:06,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:49:06,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:49:06,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:49:06,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 08:49:06,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 08:49:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:49:08,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 08:49:08,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:49:36,833 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:49:45,264 WARN L286 SmtUtils]: Spent 8.43s 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) [2024-10-24 08:49:53,509 WARN L286 SmtUtils]: Spent 8.24s 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) [2024-10-24 08:50:01,971 WARN L286 SmtUtils]: Spent 8.46s 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) [2024-10-24 08:50:10,487 WARN L286 SmtUtils]: Spent 8.51s 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)