./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.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 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:03:37,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:03:37,853 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:03:37,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:03:37,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:03:37,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:03:37,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:03:37,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:03:37,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:03:37,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:03:37,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:03:37,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:03:37,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:03:37,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:03:37,906 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:03:37,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:03:37,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:03:37,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:03:37,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:03:37,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:03:37,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:03:37,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:03:37,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:03:37,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:03:37,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:03:37,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:03:37,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:03:37,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:03:37,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:03:37,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:03:37,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:03:37,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:03:37,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:03:37,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:03:37,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:03:37,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:03:37,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:03:37,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:03:37,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:03:37,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:03:37,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:03:37,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:03:37,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 [2024-11-08 23:03:38,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:03:38,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:03:38,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:03:38,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:03:38,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:03:38,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-08 23:03:39,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:03:39,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:03:39,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-08 23:03:39,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851e48118/ac9f180f8c24462180a38a7544ee5d60/FLAG29c8d960f [2024-11-08 23:03:40,267 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851e48118/ac9f180f8c24462180a38a7544ee5d60 [2024-11-08 23:03:40,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:03:40,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:03:40,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:40,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:03:40,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:03:40,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7389ba30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40, skipping insertion in model container [2024-11-08 23:03:40,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:03:40,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-08 23:03:40,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:40,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:03:40,564 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-08 23:03:40,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:40,664 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:03:40,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40 WrapperNode [2024-11-08 23:03:40,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:40,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:40,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:03:40,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:03:40,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,710 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-08 23:03:40,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:40,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:03:40,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:03:40,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:03:40,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,744 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 23:03:40,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:03:40,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:03:40,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:03:40,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:03:40,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:03:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:03:40,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 23:03:40,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 23:03:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:03:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:03:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:03:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:03:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:03:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:03:40,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:03:40,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:03:41,201 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:03:41,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:03:41,220 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:03:41,221 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:03:41,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:41 BoogieIcfgContainer [2024-11-08 23:03:41,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:03:41,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:03:41,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:03:41,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:03:41,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:03:40" (1/3) ... [2024-11-08 23:03:41,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3325bb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:03:41, skipping insertion in model container [2024-11-08 23:03:41,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (2/3) ... [2024-11-08 23:03:41,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3325bb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:03:41, skipping insertion in model container [2024-11-08 23:03:41,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:41" (3/3) ... [2024-11-08 23:03:41,231 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-08 23:03:41,249 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:03:41,250 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:03:41,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:03:41,336 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;@55fba7c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:03:41,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:03:41,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-08 23:03:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 23:03:41,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:03:41,356 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, 1, 1, 1, 1, 1, 1] [2024-11-08 23:03:41,357 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:03:41,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:03:41,363 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2024-11-08 23:03:41,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:03:41,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975135504] [2024-11-08 23:03:41,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:03:41,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:03:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:03:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 23:03:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:03:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 23:03:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:03:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 23:03:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:03:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 23:03:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:03:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 23:03:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:03:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:03:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 23:03:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:03:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:03:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 23:03:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:41,769 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 23:03:41,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:03:41,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975135504] [2024-11-08 23:03:41,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975135504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:03:41,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:03:41,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:03:41,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253626859] [2024-11-08 23:03:41,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:03:41,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:03:41,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:03:41,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:03:41,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:03:41,808 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2024-11-08 23:03:41,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:03:41,835 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2024-11-08 23:03:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:03:41,839 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 109 [2024-11-08 23:03:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:03:41,847 INFO L225 Difference]: With dead ends: 95 [2024-11-08 23:03:41,848 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 23:03:41,852 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 [2024-11-08 23:03:41,857 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:03:41,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:03:41,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 23:03:41,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-08 23:03:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 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) [2024-11-08 23:03:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-11-08 23:03:41,895 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2024-11-08 23:03:41,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:03:41,896 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-11-08 23:03:41,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2024-11-08 23:03:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-11-08 23:03:41,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 23:03:41,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:03:41,901 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, 1, 1, 1, 1, 1, 1] [2024-11-08 23:03:41,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:03:41,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:03:41,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:03:41,903 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2024-11-08 23:03:41,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:03:41,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135698056] [2024-11-08 23:03:41,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:03:41,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:42,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [284303936] [2024-11-08 23:03:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:03:42,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:03:42,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:03:42,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:03:42,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 23:03:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:42,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:03:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:42,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 23:03:42,429 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 23:03:42,431 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 23:03:42,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 23:03:42,634 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 [2024-11-08 23:03:42,637 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 23:03:42,711 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 23:03:42,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:03:42 BoogieIcfgContainer [2024-11-08 23:03:42,714 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 23:03:42,715 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:03:42,715 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:03:42,715 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:03:42,716 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:41" (3/4) ... [2024-11-08 23:03:42,718 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:03:42,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:03:42,719 INFO L158 Benchmark]: Toolchain (without parser) took 2449.54ms. Allocated memory is still 167.8MB. Free memory was 98.8MB in the beginning and 106.4MB in the end (delta: -7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:42,720 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:42,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.80ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 138.9MB in the end (delta: -40.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:03:42,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.75ms. Allocated memory is still 167.8MB. Free memory was 138.9MB in the beginning and 136.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:42,721 INFO L158 Benchmark]: Boogie Preprocessor took 60.12ms. Allocated memory is still 167.8MB. Free memory was 136.2MB in the beginning and 132.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:42,722 INFO L158 Benchmark]: RCFGBuilder took 448.47ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 115.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:03:42,722 INFO L158 Benchmark]: TraceAbstraction took 1490.71ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 107.4MB in the end (delta: 7.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-11-08 23:03:42,723 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:42,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 78.0MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.80ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 138.9MB in the end (delta: -40.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.75ms. Allocated memory is still 167.8MB. Free memory was 138.9MB in the beginning and 136.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.12ms. Allocated memory is still 167.8MB. Free memory was 136.2MB in the beginning and 132.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.47ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 115.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1490.71ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 107.4MB in the end (delta: 7.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] double var_1_15 = 1.8; [L30] double var_1_16 = 25.8; [L31] double var_1_17 = 5.5; [L32] double var_1_18 = 4.3; [L33] double var_1_19 = 500.7; [L34] double var_1_20 = 127.5; [L35] double var_1_21 = 1.5; [L36] double var_1_22 = 99.84; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; VAL [isInitial=0, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=128, var_1_9=-1] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L78] var_1_16 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L79] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L80] var_1_17 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L82] var_1_18 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L84] var_1_19 = __VERIFIER_nondet_double() [L85] 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, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L85] 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, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L86] var_1_20 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L87] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L88] var_1_21 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L89] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L46] COND FALSE !(var_1_13 || stepLocal_0) [L49] var_1_12 = var_1_14 VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L51] signed short int stepLocal_1 = var_1_10; VAL [isInitial=1, stepLocal_1=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((double) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((double) (var_1_20 - var_1_21))))) && (var_1_22 == ((double) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 66 mSDtfsCounter, 0 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=51occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 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 [2024-11-08 23:03:42,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.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 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:03:44,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:03:45,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 23:03:45,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:03:45,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:03:45,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:03:45,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:03:45,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:03:45,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:03:45,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:03:45,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:03:45,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:03:45,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:03:45,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:03:45,116 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:03:45,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:03:45,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:03:45,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:03:45,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:03:45,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:03:45,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:03:45,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:03:45,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:03:45,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:03:45,121 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:03:45,122 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:03:45,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:03:45,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:03:45,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:03:45,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:03:45,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:03:45,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:03:45,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:03:45,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:03:45,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:03:45,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:03:45,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:03:45,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:03:45,127 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 23:03:45,127 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:45,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:03:45,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:03:45,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:03:45,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:03:45,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 [2024-11-08 23:03:45,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:03:45,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:03:45,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:03:45,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:03:45,466 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:03:45,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-08 23:03:46,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:03:47,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:03:47,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-08 23:03:47,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dccedf57e/bad15af8a61443268661e1db2719d30d/FLAGf9f919ddb [2024-11-08 23:03:47,191 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dccedf57e/bad15af8a61443268661e1db2719d30d [2024-11-08 23:03:47,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:03:47,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:03:47,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:47,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:03:47,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:03:47,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbb143c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47, skipping insertion in model container [2024-11-08 23:03:47,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:03:47,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-08 23:03:47,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:47,517 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:03:47,529 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-08 23:03:47,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:47,598 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:03:47,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47 WrapperNode [2024-11-08 23:03:47,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:47,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:47,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:03:47,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:03:47,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,659 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-08 23:03:47,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:47,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:03:47,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:03:47,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:03:47,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,695 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 23:03:47,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:03:47,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:03:47,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:03:47,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:03:47,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:03:47,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:03:47,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 23:03:47,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 23:03:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:03:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 23:03:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:03:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:03:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:03:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:03:47,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:03:47,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:03:49,440 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 23:03:49,441 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:03:49,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:03:49,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:03:49,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:49 BoogieIcfgContainer [2024-11-08 23:03:49,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:03:49,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:03:49,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:03:49,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:03:49,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:03:47" (1/3) ... [2024-11-08 23:03:49,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58607691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:03:49, skipping insertion in model container [2024-11-08 23:03:49,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47" (2/3) ... [2024-11-08 23:03:49,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58607691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:03:49, skipping insertion in model container [2024-11-08 23:03:49,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:49" (3/3) ... [2024-11-08 23:03:49,464 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-08 23:03:49,477 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:03:49,477 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:03:49,535 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:03:49,540 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;@13e30271, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:03:49,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:03:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-08 23:03:49,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 23:03:49,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:03:49,554 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, 1, 1, 1, 1, 1, 1] [2024-11-08 23:03:49,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:03:49,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:03:49,559 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2024-11-08 23:03:49,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:03:49,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188120554] [2024-11-08 23:03:49,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:03:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:03:49,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:03:49,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 23:03:49,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 23:03:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:49,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:03:49,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-08 23:03:49,950 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 23:03:49,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 23:03:49,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188120554] [2024-11-08 23:03:49,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188120554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:03:49,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:03:49,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:03:49,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367340289] [2024-11-08 23:03:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:03:49,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:03:49,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 23:03:49,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:03:49,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:03:49,996 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-08 23:03:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:03:50,027 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2024-11-08 23:03:50,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:03:50,030 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 109 [2024-11-08 23:03:50,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:03:50,035 INFO L225 Difference]: With dead ends: 95 [2024-11-08 23:03:50,035 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 23:03:50,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:03:50,040 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:03:50,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:03:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 23:03:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-08 23:03:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 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) [2024-11-08 23:03:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-11-08 23:03:50,075 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2024-11-08 23:03:50,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:03:50,076 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-11-08 23:03:50,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-08 23:03:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-11-08 23:03:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 23:03:50,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:03:50,079 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, 1, 1, 1, 1, 1, 1] [2024-11-08 23:03:50,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:03:50,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:03:50,280 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:03:50,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:03:50,281 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2024-11-08 23:03:50,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:03:50,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314616473] [2024-11-08 23:03:50,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:03:50,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:03:50,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:03:50,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 23:03:50,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 23:03:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:50,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:03:50,976 INFO L278 TraceCheckSpWp]: Computing forward predicates...