./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:09,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:09,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:09,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:09,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:09,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:09,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:09,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:09,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:09,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:09,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:09,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:09,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:09,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:09,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:09,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:09,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:09,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:09,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:09,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:09,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:09,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:09,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:09,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:09,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:09,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:09,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:09,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:09,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:09,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:09,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:09,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:09,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:09,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:09,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:09,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:09,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:09,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:09,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:09,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:09,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:09,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:59:09,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:09,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:09,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:09,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:09,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:09,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:09,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:09,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:09,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:59:09,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:09,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:09,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:09,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:09,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:09,935 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:09,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:09,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:09,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:09,935 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:09,936 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:09,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:09,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:09,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:09,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:09,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:09,937 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:59:09,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:59:09,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:09,938 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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a [2021-11-23 15:59:10,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:10,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:10,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:10,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:10,261 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:10,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2021-11-23 15:59:10,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/89633a157/cebe3b05cdda483b9551c1382016432a/FLAG214662957 [2021-11-23 15:59:10,878 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:10,879 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2021-11-23 15:59:10,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/89633a157/cebe3b05cdda483b9551c1382016432a/FLAG214662957 [2021-11-23 15:59:11,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/89633a157/cebe3b05cdda483b9551c1382016432a [2021-11-23 15:59:11,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:11,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:11,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:11,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:11,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:11,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5edcabd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11, skipping insertion in model container [2021-11-23 15:59:11,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:11,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:11,466 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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2021-11-23 15:59:11,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:11,474 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:11,493 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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2021-11-23 15:59:11,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:11,506 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:11,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11 WrapperNode [2021-11-23 15:59:11,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:11,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:11,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:11,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:11,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,541 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2021-11-23 15:59:11,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:11,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:11,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:11,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:11,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:11,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:11,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:11,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:11,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:11" (1/1) ... [2021-11-23 15:59:11,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:11,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:11,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:11,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:59:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:59:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:59:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:59:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:11,733 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:11,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:11,825 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:11,850 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 15:59:11,854 INFO L158 Benchmark]: Toolchain (without parser) took 617.05ms. Allocated memory is still 107.0MB. Free memory was 68.8MB in the beginning and 70.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:11,855 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:11,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.77ms. Allocated memory is still 107.0MB. Free memory was 68.6MB in the beginning and 82.7MB in the end (delta: -14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:11,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.40ms. Allocated memory is still 107.0MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:11,858 INFO L158 Benchmark]: Boogie Preprocessor took 19.71ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:11,859 INFO L158 Benchmark]: RCFGBuilder took 289.42ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 70.5MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:11,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.77ms. Allocated memory is still 107.0MB. Free memory was 68.6MB in the beginning and 82.7MB in the end (delta: -14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.40ms. Allocated memory is still 107.0MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.71ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.42ms. Allocated memory is still 107.0MB. Free memory was 80.1MB in the beginning and 70.5MB in the end (delta: 9.6MB). 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 15:59:11,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:14,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:14,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:14,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:14,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:14,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:14,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:14,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:14,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:14,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:14,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:14,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:14,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:14,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:14,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:14,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:14,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:14,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:14,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:14,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:14,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:14,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:14,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:14,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:14,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:14,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:14,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:14,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:14,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:14,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:14,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:14,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:14,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:14,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:14,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:14,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:14,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:14,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:14,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:14,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:14,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:14,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:14,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:14,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:14,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:14,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:14,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:14,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:14,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:14,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:14,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:14,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:14,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:14,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:14,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:14,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:14,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:14,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:14,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:14,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:14,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:14,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:14,388 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:14,388 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:14,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:14,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:14,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:14,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:14,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:14,389 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:14,389 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:14,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:14,389 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:14,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:14,389 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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b45f5e4a7a74ad007db534387a803e6f6ecf5579d866d96b3759eca1ee7b29a [2021-11-23 15:59:14,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:14,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:14,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:14,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:14,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:14,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2021-11-23 15:59:14,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/bb052a184/90f9ec34b73f4bbba25ab44a6c70b184/FLAG1875fd17d [2021-11-23 15:59:15,566 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:15,567 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/sv-benchmarks/c/floats-cdfpl/newton_2_8.i [2021-11-23 15:59:15,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/bb052a184/90f9ec34b73f4bbba25ab44a6c70b184/FLAG1875fd17d [2021-11-23 15:59:15,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/data/bb052a184/90f9ec34b73f4bbba25ab44a6c70b184 [2021-11-23 15:59:15,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:15,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:15,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:15,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:15,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:15,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:15" (1/1) ... [2021-11-23 15:59:15,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0823a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:15, skipping insertion in model container [2021-11-23 15:59:15,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:15" (1/1) ... [2021-11-23 15:59:15,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:15,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:16,129 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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2021-11-23 15:59:16,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:16,144 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:16,165 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_13c20e27-85f5-4afe-9b3f-1bde36721ab6/sv-benchmarks/c/floats-cdfpl/newton_2_8.i[1743,1756] [2021-11-23 15:59:16,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:16,193 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:16,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16 WrapperNode [2021-11-23 15:59:16,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:16,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:16,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:16,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:16,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,261 INFO L137 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2021-11-23 15:59:16,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:16,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:16,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:16,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:16,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:16,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:16,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:16,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:16,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:16" (1/1) ... [2021-11-23 15:59:16,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:16,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:16,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:16,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:59:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:59:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:59:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:59:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:16,498 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:16,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:42,139 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:42,158 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 15:59:42,161 INFO L158 Benchmark]: Toolchain (without parser) took 26238.77ms. Allocated memory is still 73.4MB. Free memory was 39.9MB in the beginning and 45.7MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:42,162 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 73.4MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:42,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.14ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 58.1MB in the end (delta: -18.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:42,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.37ms. Allocated memory is still 73.4MB. Free memory was 58.1MB in the beginning and 56.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:42,165 INFO L158 Benchmark]: Boogie Preprocessor took 58.52ms. Allocated memory is still 73.4MB. Free memory was 56.5MB in the beginning and 55.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:42,166 INFO L158 Benchmark]: RCFGBuilder took 25837.94ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 45.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:42,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 73.4MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.14ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 58.1MB in the end (delta: -18.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.37ms. Allocated memory is still 73.4MB. Free memory was 58.1MB in the beginning and 56.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.52ms. Allocated memory is still 73.4MB. Free memory was 56.5MB in the beginning and 55.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 25837.94ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 45.9MB in the end (delta: 9.5MB). 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 15:59:42,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c20e27-85f5-4afe-9b3f-1bde36721ab6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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