./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:46,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:46,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:46,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:46,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:46,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:46,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:46,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:46,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:46,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:46,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:46,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:46,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:46,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:46,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:46,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:46,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:46,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:46,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:46,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:46,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:46,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:46,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:46,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:46,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:46,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:46,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:46,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:46,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:46,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:46,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:46,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:46,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:46,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:46,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:46,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:46,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:46,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:46,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:46,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:46,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:46,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:30:46,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:46,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:46,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:46,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:46,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:46,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:46,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:46,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:46,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:46,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:46,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:46,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:46,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:46,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:46,916 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:46,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:46,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:46,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:46,917 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:46,917 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:46,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:46,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:46,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:46,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:46,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:46,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:46,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:46,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:46,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2021-11-23 15:30:47,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:47,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:47,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:47,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:47,263 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:47,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2021-11-23 15:30:47,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/c53734b49/6898045c83dd4820914910c1e4eaef54/FLAG333e90c0d [2021-11-23 15:30:47,952 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:47,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2021-11-23 15:30:47,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/c53734b49/6898045c83dd4820914910c1e4eaef54/FLAG333e90c0d [2021-11-23 15:30:48,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/c53734b49/6898045c83dd4820914910c1e4eaef54 [2021-11-23 15:30:48,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:48,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:48,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:48,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:48,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:48,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c745935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48, skipping insertion in model container [2021-11-23 15:30:48,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:48,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:48,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2021-11-23 15:30:48,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:48,550 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:48,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2021-11-23 15:30:48,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:48,591 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:48,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48 WrapperNode [2021-11-23 15:30:48,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:48,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:48,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:48,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:48,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,690 INFO L137 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2021-11-23 15:30:48,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:48,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:48,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:48,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:48,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:48,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:48,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:48,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:48,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:48" (1/1) ... [2021-11-23 15:30:48,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:48,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:48,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:48,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:48,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:48,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:48,896 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:48,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:48,986 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:49,008 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:30:49,014 INFO L158 Benchmark]: Toolchain (without parser) took 685.97ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 57.7MB in the beginning and 89.2MB in the end (delta: -31.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:49,015 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:49,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.37ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 47.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.46ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 99.1MB in the end (delta: -51.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,019 INFO L158 Benchmark]: Boogie Preprocessor took 25.51ms. Allocated memory is still 121.6MB. Free memory was 99.1MB in the beginning and 98.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:49,020 INFO L158 Benchmark]: RCFGBuilder took 293.50ms. Allocated memory is still 121.6MB. Free memory was 98.0MB in the beginning and 89.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.37ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 47.4MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.46ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 99.1MB in the end (delta: -51.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.51ms. Allocated memory is still 121.6MB. Free memory was 99.1MB in the beginning and 98.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.50ms. Allocated memory is still 121.6MB. Free memory was 98.0MB in the beginning and 89.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:30:49,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:51,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:51,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:51,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:51,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:51,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:51,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:51,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:51,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:51,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:51,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:51,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:51,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:51,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:51,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:51,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:51,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:51,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:51,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:51,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:51,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:51,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:51,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:51,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:51,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:51,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:51,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:51,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:51,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:51,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:51,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:51,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:51,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:51,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:51,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:51,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:51,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:51,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:51,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:51,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:51,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:51,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:52,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:52,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:52,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:52,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:52,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:52,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:52,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:52,045 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:52,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:52,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:52,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:52,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:52,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:52,048 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:52,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:52,049 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:52,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:52,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:52,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:52,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:52,050 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:52,050 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:52,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:52,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:52,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:52,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:52,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:52,052 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:52,052 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:52,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:52,053 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:52,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:52,054 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2021-11-23 15:30:52,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:52,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:52,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:52,584 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:52,585 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:52,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2021-11-23 15:30:52,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/214dbd6ee/b605969f0c81449fb2bf609eb815a669/FLAGc63ffd661 [2021-11-23 15:30:53,368 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:53,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2021-11-23 15:30:53,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/214dbd6ee/b605969f0c81449fb2bf609eb815a669/FLAGc63ffd661 [2021-11-23 15:30:53,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/data/214dbd6ee/b605969f0c81449fb2bf609eb815a669 [2021-11-23 15:30:53,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:53,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:53,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:53,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:53,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:53,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:53" (1/1) ... [2021-11-23 15:30:53,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db30e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:53, skipping insertion in model container [2021-11-23 15:30:53,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:53" (1/1) ... [2021-11-23 15:30:53,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:53,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:53,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2021-11-23 15:30:53,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:53,941 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:54,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2021-11-23 15:30:54,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:54,029 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:54,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54 WrapperNode [2021-11-23 15:30:54,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:54,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:54,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:54,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:54,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,071 INFO L137 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2021-11-23 15:30:54,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:54,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:54,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:54,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:54,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:54,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:54,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:54,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:54,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:54" (1/1) ... [2021-11-23 15:30:54,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:54,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:54,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:54,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:30:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:54,276 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:54,278 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:17,928 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:17,953 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:31:17,959 INFO L158 Benchmark]: Toolchain (without parser) took 24280.06ms. Allocated memory is still 73.4MB. Free memory was 55.6MB in the beginning and 44.6MB in the end (delta: 11.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,960 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:17,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.35ms. Allocated memory is still 73.4MB. Free memory was 55.4MB in the beginning and 56.6MB in the end (delta: -1.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 73.4MB. Free memory was 56.6MB in the beginning and 55.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:17,964 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 73.4MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,965 INFO L158 Benchmark]: RCFGBuilder took 23856.90ms. Allocated memory is still 73.4MB. Free memory was 53.7MB in the beginning and 44.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.35ms. Allocated memory is still 73.4MB. Free memory was 55.4MB in the beginning and 56.6MB in the end (delta: -1.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 73.4MB. Free memory was 56.6MB in the beginning and 55.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 73.4MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 23856.90ms. Allocated memory is still 73.4MB. Free memory was 53.7MB in the beginning and 44.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:31:18,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d39841c4-a724-4c01-906e-d64cf08c6b21/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable