./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:53,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:53,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:53,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:53,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:53,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:53,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:53,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:53,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:53,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:53,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:53,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:53,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:53,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:53,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:53,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:53,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:53,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:53,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:53,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:53,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:53,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:53,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:53,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:53,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:53,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:53,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:53,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:53,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:53,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:53,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:53,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:53,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:53,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:53,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:53,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:53,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:53,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:53,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:53,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:53,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:53,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:53,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:53,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:53,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:53,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:53,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:53,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:53,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:53,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:53,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:53,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:53,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:53,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:53,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:53,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:53,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:53,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:53,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:53,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:53,772 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:53,772 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:53,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:53,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:53,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:53,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:53,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:53,773 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:53,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:53,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:53,774 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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2021-11-23 15:04:54,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:54,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:54,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:54,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:54,135 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:54,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2021-11-23 15:04:54,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/85323007c/5b95e7a524244d3898097ee82e7dce4e/FLAG0661174f1 [2021-11-23 15:04:54,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:54,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2021-11-23 15:04:54,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/85323007c/5b95e7a524244d3898097ee82e7dce4e/FLAG0661174f1 [2021-11-23 15:04:55,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/85323007c/5b95e7a524244d3898097ee82e7dce4e [2021-11-23 15:04:55,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:55,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:55,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:55,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:55,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:55,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4160d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55, skipping insertion in model container [2021-11-23 15:04:55,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:55,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:55,438 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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2021-11-23 15:04:55,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:55,452 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:55,483 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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2021-11-23 15:04:55,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:55,505 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:55,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55 WrapperNode [2021-11-23 15:04:55,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:55,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:55,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:55,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:55,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,545 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2021-11-23 15:04:55,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:55,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:55,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:55,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:55,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:55,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:55,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:55,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:55,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:55" (1/1) ... [2021-11-23 15:04:55,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:55,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:55,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:55,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:04:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:04:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:04:55,661 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:04:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:55,724 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:55,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:55,818 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:55,858 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 15:04:55,863 INFO L158 Benchmark]: Toolchain (without parser) took 680.26ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 73.5MB in the beginning and 113.2MB in the end (delta: -39.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,864 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:55,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.80ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 62.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.55ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,867 INFO L158 Benchmark]: Boogie Preprocessor took 39.00ms. Allocated memory is still 102.8MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 945.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:55,869 INFO L158 Benchmark]: RCFGBuilder took 274.56ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 59.8MB in the beginning and 113.2MB in the end (delta: -53.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.80ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 62.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.55ms. Allocated memory is still 102.8MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.00ms. Allocated memory is still 102.8MB. Free memory was 60.9MB in the beginning and 59.9MB in the end (delta: 945.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.56ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 59.8MB in the beginning and 113.2MB in the end (delta: -53.4MB). Peak memory consumption was 15.0MB. 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 15:04:55,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:58,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:58,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:58,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:58,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:58,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:58,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:58,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:58,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:58,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:58,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:58,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:58,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:58,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:58,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:58,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:58,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:58,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:58,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:58,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:58,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:58,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:58,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:58,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:58,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:58,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:58,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:58,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:58,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:58,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:58,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:58,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:58,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:58,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:58,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:58,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:58,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:58,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:58,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:58,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:58,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:58,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:58,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:58,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:58,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:58,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:58,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:58,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:58,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:58,548 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:58,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:58,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:58,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:58,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:58,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:58,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:58,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:58,551 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:58,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:58,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:58,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:58,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:58,553 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:58,553 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:58,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:58,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:58,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:58,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:58,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:58,555 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:58,555 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:58,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:58,555 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:58,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:58,556 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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44e41a637fa9468dc0732b4bb0eab375ec0174d4f214854050209bd1011a360f [2021-11-23 15:04:58,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:58,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:58,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:58,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:58,943 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:58,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2021-11-23 15:04:59,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/713e3aa7a/b07345c6187e4bbb94be5c75d0a44ca3/FLAGb825bfe24 [2021-11-23 15:04:59,653 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:59,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/sv-benchmarks/c/floats-cdfpl/newton_2_4.i [2021-11-23 15:04:59,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/713e3aa7a/b07345c6187e4bbb94be5c75d0a44ca3/FLAGb825bfe24 [2021-11-23 15:04:59,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/data/713e3aa7a/b07345c6187e4bbb94be5c75d0a44ca3 [2021-11-23 15:04:59,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:59,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:59,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:59,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:59,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:59,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a865014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59, skipping insertion in model container [2021-11-23 15:04:59,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:59,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:59,889 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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2021-11-23 15:04:59,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:59,905 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:59,947 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_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/sv-benchmarks/c/floats-cdfpl/newton_2_4.i[1743,1756] [2021-11-23 15:04:59,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:59,991 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:59,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59 WrapperNode [2021-11-23 15:04:59,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:59,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:59,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:59,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:00,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,045 INFO L137 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2021-11-23 15:05:00,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:00,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:00,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:00,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:00,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:00,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:00,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:00,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:00,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:00,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:00,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:00,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:05:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:05:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:05:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:05:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:00,278 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:00,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:25,929 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:25,948 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 15:05:25,954 INFO L158 Benchmark]: Toolchain (without parser) took 26266.85ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.6MB in the beginning and 41.3MB in the end (delta: -10.6MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:25,955 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:25,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.62ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 53.2MB in the end (delta: -22.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:25,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.60ms. Allocated memory is still 71.3MB. Free memory was 53.2MB in the beginning and 51.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:25,958 INFO L158 Benchmark]: Boogie Preprocessor took 54.74ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 50.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:25,959 INFO L158 Benchmark]: RCFGBuilder took 25850.14ms. Allocated memory is still 71.3MB. Free memory was 50.5MB in the beginning and 41.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:25,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.62ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 53.2MB in the end (delta: -22.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.60ms. Allocated memory is still 71.3MB. Free memory was 53.2MB in the beginning and 51.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.74ms. Allocated memory is still 71.3MB. Free memory was 51.6MB in the beginning and 50.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 25850.14ms. Allocated memory is still 71.3MB. Free memory was 50.5MB in the beginning and 41.3MB in the end (delta: 9.2MB). 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 15:05:26,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aea3fb2b-f8e7-449f-982c-c7c38bc2a792/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