./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_no-floats_file-4.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 d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:11:51,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:11:51,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 22:11:51,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:11:51,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:11:51,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:11:51,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:11:51,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:11:51,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:11:51,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:11:51,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:11:51,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:11:51,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:11:51,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:11:51,972 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:11:51,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:11:51,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:11:51,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:11:51,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 22:11:51,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:11:51,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:11:51,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:11:51,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:11:51,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:11:51,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:11:51,976 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:11:51,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:11:51,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:11:51,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:11:51,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:11:51,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:11:51,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:11:51,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:11:51,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:11:51,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:11:51,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:11:51,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 22:11:51,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 22:11:51,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:11:51,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:11:51,981 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:11:51,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:11:51,981 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2024-11-18 22:11:52,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:11:52,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:11:52,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:11:52,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:11:52,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:11:52,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-18 22:11:53,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:11:53,688 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-18 22:11:53,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:11:53,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-18 22:11:53,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045c87aa1/0bea3f4393224bb4942e6cfb5d429530/FLAG369e6d242 [2024-11-18 22:11:53,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/045c87aa1/0bea3f4393224bb4942e6cfb5d429530 [2024-11-18 22:11:53,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:11:53,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:11:53,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:11:53,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:11:53,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:11:53,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:11:53" (1/1) ... [2024-11-18 22:11:53,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c2374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:53, skipping insertion in model container [2024-11-18 22:11:53,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:11:53" (1/1) ... [2024-11-18 22:11:53,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:11:54,113 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_no-floats_file-4.i[915,928] [2024-11-18 22:11:54,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:11:54,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:11:54,178 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_no-floats_file-4.i[915,928] [2024-11-18 22:11:54,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:11:54,227 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:11:54,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54 WrapperNode [2024-11-18 22:11:54,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:11:54,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:11:54,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:11:54,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:11:54,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,289 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-18 22:11:54,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:11:54,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:11:54,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:11:54,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:11:54,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,324 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]. [2024-11-18 22:11:54,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:11:54,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:11:54,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:11:54,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:11:54,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (1/1) ... [2024-11-18 22:11:54,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:11:54,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:11:54,383 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) [2024-11-18 22:11:54,386 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 [2024-11-18 22:11:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:11:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:11:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:11:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 22:11:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:11:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:11:54,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:11:54,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:11:54,821 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-18 22:11:54,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:11:54,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:11:54,836 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:11:54,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:11:54 BoogieIcfgContainer [2024-11-18 22:11:54,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:11:54,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:11:54,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:11:54,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:11:54,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:11:53" (1/3) ... [2024-11-18 22:11:54,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cd4180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:11:54, skipping insertion in model container [2024-11-18 22:11:54,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:11:54" (2/3) ... [2024-11-18 22:11:54,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cd4180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:11:54, skipping insertion in model container [2024-11-18 22:11:54,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:11:54" (3/3) ... [2024-11-18 22:11:54,845 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-18 22:11:54,860 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:11:54,861 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:11:54,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:11:54,941 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;@766a80f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:11:54,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:11:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 22:11:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 22:11:54,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:11:54,959 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:11:54,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:11:54,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:11:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2024-11-18 22:11:54,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:11:54,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414479034] [2024-11-18 22:11:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:11:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:11:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:11:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-18 22:11:55,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:11:55,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414479034] [2024-11-18 22:11:55,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414479034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:11:55,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030638993] [2024-11-18 22:11:55,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:11:55,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:11:55,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:11:55,279 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) [2024-11-18 22:11:55,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 22:11:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:11:55,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:11:55,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:11:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-18 22:11:55,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:11:55,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030638993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:11:55,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 22:11:55,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 22:11:55,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374191646] [2024-11-18 22:11:55,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:11:55,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:11:55,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:11:55,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:11:55,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:11:55,518 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 22:11:55,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:11:55,547 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2024-11-18 22:11:55,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:11:55,549 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2024-11-18 22:11:55,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:11:55,557 INFO L225 Difference]: With dead ends: 95 [2024-11-18 22:11:55,557 INFO L226 Difference]: Without dead ends: 47 [2024-11-18 22:11:55,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:11:55,564 INFO L432 NwaCegarLoop]: 69 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, 69 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 [2024-11-18 22:11:55,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:11:55,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-18 22:11:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-18 22:11:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 22:11:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-11-18 22:11:55,610 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2024-11-18 22:11:55,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:11:55,611 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-11-18 22:11:55,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 22:11:55,612 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-18 22:11:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 22:11:55,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:11:55,617 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:11:55,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 22:11:55,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 22:11:55,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:11:55,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:11:55,820 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2024-11-18 22:11:55,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:11:55,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123075473] [2024-11-18 22:11:55,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:11:55,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:11:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 22:11:56,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1054088798] [2024-11-18 22:11:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:11:56,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:11:56,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:11:56,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:11:56,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 22:11:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:11:56,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-18 22:11:56,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:11:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-18 22:11:58,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 22:11:58,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 22:11:58,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123075473] [2024-11-18 22:11:58,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-18 22:11:58,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054088798] [2024-11-18 22:11:58,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054088798] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:11:58,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-18 22:11:58,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-18 22:11:58,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559003671] [2024-11-18 22:11:58,603 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-18 22:11:58,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 22:11:58,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 22:11:58,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 22:11:58,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-18 22:11:58,607 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 22:11:59,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:11:59,158 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2024-11-18 22:11:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 22:11:59,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2024-11-18 22:11:59,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:11:59,161 INFO L225 Difference]: With dead ends: 144 [2024-11-18 22:11:59,161 INFO L226 Difference]: Without dead ends: 100 [2024-11-18 22:11:59,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-11-18 22:11:59,164 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 34 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 22:11:59,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 337 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 22:11:59,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-18 22:11:59,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85. [2024-11-18 22:11:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 43 states have internal predecessors, (48), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 22:11:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2024-11-18 22:11:59,189 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 116 [2024-11-18 22:11:59,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:11:59,190 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2024-11-18 22:11:59,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 22:11:59,190 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2024-11-18 22:11:59,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 22:11:59,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:11:59,192 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:11:59,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 22:11:59,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-18 22:11:59,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:11:59,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:11:59,395 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2024-11-18 22:11:59,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 22:11:59,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526931390] [2024-11-18 22:11:59,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:11:59,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 22:11:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 22:11:59,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519854899] [2024-11-18 22:11:59,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:11:59,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:11:59,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:11:59,538 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 22:11:59,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 22:12:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:12:00,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 22:12:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 22:12:00,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 22:12:00,243 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 22:12:00,244 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 22:12:00,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-18 22:12:00,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 22:12:00,449 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 22:12:00,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 22:12:00,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:12:00 BoogieIcfgContainer [2024-11-18 22:12:00,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 22:12:00,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 22:12:00,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 22:12:00,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 22:12:00,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:11:54" (3/4) ... [2024-11-18 22:12:00,558 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 22:12:00,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 22:12:00,561 INFO L158 Benchmark]: Toolchain (without parser) took 6669.83ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 145.6MB in the beginning and 75.1MB in the end (delta: 70.5MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2024-11-18 22:12:00,561 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 22:12:00,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.28ms. Allocated memory is still 174.1MB. Free memory was 144.8MB in the beginning and 130.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 22:12:00,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.98ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 22:12:00,562 INFO L158 Benchmark]: Boogie Preprocessor took 53.62ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 122.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 22:12:00,565 INFO L158 Benchmark]: RCFGBuilder took 491.97ms. Allocated memory is still 174.1MB. Free memory was 122.7MB in the beginning and 132.5MB in the end (delta: -9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 22:12:00,565 INFO L158 Benchmark]: TraceAbstraction took 5714.93ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 131.5MB in the beginning and 76.2MB in the end (delta: 55.3MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-11-18 22:12:00,565 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 209.7MB. Free memory was 76.2MB in the beginning and 75.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 22:12:00,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.28ms. Allocated memory is still 174.1MB. Free memory was 144.8MB in the beginning and 130.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.98ms. Allocated memory is still 174.1MB. Free memory was 130.1MB in the beginning and 127.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.62ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 122.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 491.97ms. Allocated memory is still 174.1MB. Free memory was 122.7MB in the beginning and 132.5MB in the end (delta: -9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5714.93ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 131.5MB in the beginning and 76.2MB in the end (delta: 55.3MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 209.7MB. Free memory was 76.2MB in the beginning and 75.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 someBinaryFLOATComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] signed long int var_1_13 = 99; [L30] signed long int var_1_14 = 127; [L31] signed long int var_1_15 = 16; [L32] signed long int var_1_16 = 256; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L91] last_1_var_1_12 = var_1_12 [L92] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L74] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L74] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L75] var_1_14 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L76] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L77] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L78] var_1_15 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L79] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L80] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L82] var_1_16 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L85] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L85] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L86] var_1_17 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L87] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L88] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L88] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L103] RET updateVariables() [L104] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=1] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=1] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=0, stepLocal_1=-32767, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_1=-32767, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 406 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 205 IncrementalHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 113 mSDtfsCounter, 205 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 2196 SizeOfPredicates, 4 NumberOfNonLiveVariables, 550 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1968/2052 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 [2024-11-18 22:12:00,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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_no-floats_file-4.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 d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 22:12:02,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 22:12:02,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 22:12:02,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 22:12:02,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 22:12:02,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 22:12:02,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 22:12:02,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 22:12:02,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 22:12:02,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 22:12:02,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 22:12:02,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 22:12:02,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 22:12:02,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 22:12:02,885 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 22:12:02,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 22:12:02,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 22:12:02,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 22:12:02,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 22:12:02,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 22:12:02,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 22:12:02,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 22:12:02,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 22:12:02,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 22:12:02,889 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 22:12:02,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 22:12:02,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 22:12:02,890 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 22:12:02,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 22:12:02,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 22:12:02,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 22:12:02,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 22:12:02,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 22:12:02,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 22:12:02,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:12:02,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 22:12:02,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 22:12:02,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 22:12:02,894 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 22:12:02,895 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 22:12:02,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 22:12:02,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 22:12:02,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 22:12:02,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 22:12:02,896 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2024-11-18 22:12:03,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 22:12:03,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 22:12:03,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 22:12:03,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 22:12:03,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 22:12:03,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-18 22:12:04,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 22:12:04,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 22:12:04,992 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-18 22:12:05,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806208280/e6fe0fa224924f5a917accf773b59d9b/FLAG9823c0b3d [2024-11-18 22:12:05,013 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/806208280/e6fe0fa224924f5a917accf773b59d9b [2024-11-18 22:12:05,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 22:12:05,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 22:12:05,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 22:12:05,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 22:12:05,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 22:12:05,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c24afec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05, skipping insertion in model container [2024-11-18 22:12:05,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 22:12:05,237 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_no-floats_file-4.i[915,928] [2024-11-18 22:12:05,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:12:05,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 22:12:05,327 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_no-floats_file-4.i[915,928] [2024-11-18 22:12:05,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 22:12:05,384 INFO L204 MainTranslator]: Completed translation [2024-11-18 22:12:05,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05 WrapperNode [2024-11-18 22:12:05,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 22:12:05,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 22:12:05,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 22:12:05,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 22:12:05,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,431 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-11-18 22:12:05,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 22:12:05,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 22:12:05,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 22:12:05,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 22:12:05,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,462 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]. [2024-11-18 22:12:05,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 22:12:05,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 22:12:05,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 22:12:05,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 22:12:05,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (1/1) ... [2024-11-18 22:12:05,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 22:12:05,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 22:12:05,531 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) [2024-11-18 22:12:05,537 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 [2024-11-18 22:12:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 22:12:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 22:12:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 22:12:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 22:12:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 22:12:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 22:12:05,648 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 22:12:05,650 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 22:12:18,267 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-18 22:12:18,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 22:12:18,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 22:12:18,279 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 22:12:18,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:12:18 BoogieIcfgContainer [2024-11-18 22:12:18,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 22:12:18,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 22:12:18,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 22:12:18,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 22:12:18,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:12:05" (1/3) ... [2024-11-18 22:12:18,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c33277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:12:18, skipping insertion in model container [2024-11-18 22:12:18,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:12:05" (2/3) ... [2024-11-18 22:12:18,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c33277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:12:18, skipping insertion in model container [2024-11-18 22:12:18,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:12:18" (3/3) ... [2024-11-18 22:12:18,299 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-18 22:12:18,315 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 22:12:18,316 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 22:12:18,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 22:12:18,373 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;@43285b35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 22:12:18,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 22:12:18,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 22:12:18,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 22:12:18,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:12:18,390 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:12:18,390 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:12:18,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:12:18,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2024-11-18 22:12:18,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:12:18,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623021823] [2024-11-18 22:12:18,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:12:18,405 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 [2024-11-18 22:12:18,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:12:18,409 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) [2024-11-18 22:12:18,410 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 [2024-11-18 22:12:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:12:18,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 22:12:18,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:12:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-18 22:12:18,943 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:12:18,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:12:18,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623021823] [2024-11-18 22:12:18,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623021823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:12:18,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 22:12:18,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 22:12:18,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531265032] [2024-11-18 22:12:18,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:12:18,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 22:12:18,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 22:12:18,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 22:12:18,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:12:18,975 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 22:12:19,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:12:19,001 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2024-11-18 22:12:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 22:12:19,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2024-11-18 22:12:19,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:12:19,011 INFO L225 Difference]: With dead ends: 95 [2024-11-18 22:12:19,011 INFO L226 Difference]: Without dead ends: 47 [2024-11-18 22:12:19,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 22:12:19,017 INFO L432 NwaCegarLoop]: 69 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, 69 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 [2024-11-18 22:12:19,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 22:12:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-18 22:12:19,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-18 22:12:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-18 22:12:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-11-18 22:12:19,065 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2024-11-18 22:12:19,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:12:19,065 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-11-18 22:12:19,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-18 22:12:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-18 22:12:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 22:12:19,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:12:19,068 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:12:19,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-18 22:12:19,269 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 [2024-11-18 22:12:19,269 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:12:19,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:12:19,271 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2024-11-18 22:12:19,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:12:19,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408033993] [2024-11-18 22:12:19,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:12:19,272 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 [2024-11-18 22:12:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:12:19,274 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) [2024-11-18 22:12:19,276 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 [2024-11-18 22:12:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:12:19,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-18 22:12:19,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:12:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-18 22:12:28,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 22:12:30,831 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 22:12:30,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408033993] [2024-11-18 22:12:30,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408033993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 22:12:30,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1701638997] [2024-11-18 22:12:30,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:12:30,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-18 22:12:30,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-18 22:12:30,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-18 22:12:30,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-18 22:12:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:12:31,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 22:12:31,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 22:12:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-18 22:12:36,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 22:12:36,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1701638997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 22:12:36,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 22:12:36,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2024-11-18 22:12:36,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882859197] [2024-11-18 22:12:36,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 22:12:36,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 22:12:36,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 22:12:36,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 22:12:36,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-18 22:12:36,212 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 22:12:42,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:12:46,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:12:51,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:12:55,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-18 22:12:59,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:13:03,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:13:07,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:13:12,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-18 22:13:16,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:13:20,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-18 22:13:20,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 22:13:20,127 INFO L93 Difference]: Finished difference Result 136 states and 202 transitions. [2024-11-18 22:13:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 22:13:20,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 116 [2024-11-18 22:13:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 22:13:20,208 INFO L225 Difference]: With dead ends: 136 [2024-11-18 22:13:20,208 INFO L226 Difference]: Without dead ends: 92 [2024-11-18 22:13:20,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-18 22:13:20,211 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 31 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 39 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2024-11-18 22:13:20,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 212 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 53 Invalid, 10 Unknown, 0 Unchecked, 43.3s Time] [2024-11-18 22:13:20,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-18 22:13:20,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 81. [2024-11-18 22:13:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-18 22:13:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2024-11-18 22:13:20,240 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 116 [2024-11-18 22:13:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 22:13:20,241 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2024-11-18 22:13:20,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-18 22:13:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2024-11-18 22:13:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-18 22:13:20,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 22:13:20,245 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 22:13:20,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-18 22:13:20,461 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 (3)] Forceful destruction successful, exit code 0 [2024-11-18 22:13:20,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /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 [2024-11-18 22:13:20,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 22:13:20,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 22:13:20,647 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2024-11-18 22:13:20,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 22:13:20,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479468073] [2024-11-18 22:13:20,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 22:13:20,648 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 [2024-11-18 22:13:20,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 22:13:20,649 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-18 22:13:20,650 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 (5)] Waiting until timeout for monitored process [2024-11-18 22:13:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 22:13:21,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-18 22:13:21,074 INFO L278 TraceCheckSpWp]: Computing forward predicates...