./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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 cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:54,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:54,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:54,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:54,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:54,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:54,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:54,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:54,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:54,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:54,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:54,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:54,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:54,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:54,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:54,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:54,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:54,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:54,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:54,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:54,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:54,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:54,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:54,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:54,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:54,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:54,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:54,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:54,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:54,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:54,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:54,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:54,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:54,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:54,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:54,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:54,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:54,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:54,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:54,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:54,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:54,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:40:54,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:54,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:54,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:54,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:54,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:54,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:54,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:54,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:54,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:54,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:54,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:54,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:54,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:54,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:54,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:54,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:54,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:54,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:54,569 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:54,569 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:54,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:54,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:54,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:54,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:54,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:54,571 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:54,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:54,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:54,572 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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da [2021-11-23 15:40:54,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:54,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:54,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:54,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:54,853 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:54,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2021-11-23 15:40:54,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/682384c0d/854fc19f2c4545138d828f59fe8399be/FLAGaa78b8339 [2021-11-23 15:40:55,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:55,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2021-11-23 15:40:55,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/682384c0d/854fc19f2c4545138d828f59fe8399be/FLAGaa78b8339 [2021-11-23 15:40:55,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/682384c0d/854fc19f2c4545138d828f59fe8399be [2021-11-23 15:40:55,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:55,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:55,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:55,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:55,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:55,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:55" (1/1) ... [2021-11-23 15:40:55,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aace338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:55, skipping insertion in model container [2021-11-23 15:40:55,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:55" (1/1) ... [2021-11-23 15:40:55,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:55,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:55,964 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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2021-11-23 15:40:55,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:55,980 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:56,014 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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2021-11-23 15:40:56,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:56,038 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:56,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56 WrapperNode [2021-11-23 15:40:56,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:56,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:56,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:56,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:56,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,082 INFO L137 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2021-11-23 15:40:56,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:56,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:56,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:56,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:56,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:56,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:56,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:56,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:56,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 15:40:56,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:56,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:56,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:56,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:56,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:56,278 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:56,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:56,396 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:56,434 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 15:40:56,451 INFO L158 Benchmark]: Toolchain (without parser) took 737.26ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 48.4MB in the beginning and 67.9MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:56,452 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:56,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.25ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 48.2MB in the beginning and 79.3MB in the end (delta: -31.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:40:56,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.56ms. Allocated memory is still 102.8MB. Free memory was 79.3MB in the beginning and 77.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:56,455 INFO L158 Benchmark]: Boogie Preprocessor took 40.32ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.9MB in the end (delta: 795.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:56,456 INFO L158 Benchmark]: RCFGBuilder took 324.50ms. Allocated memory is still 102.8MB. Free memory was 76.6MB in the beginning and 67.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:56,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 64.6MB in the beginning and 64.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.25ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 48.2MB in the beginning and 79.3MB in the end (delta: -31.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.56ms. Allocated memory is still 102.8MB. Free memory was 79.3MB in the beginning and 77.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.32ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.9MB in the end (delta: 795.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.50ms. Allocated memory is still 102.8MB. Free memory was 76.6MB in the beginning and 67.9MB in the end (delta: 8.7MB). 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 15:40:56,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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 cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:58,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:58,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:58,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:58,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:58,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:58,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:58,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:58,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:58,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:58,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:58,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:58,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:58,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:58,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:58,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:58,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:58,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:58,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:58,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:58,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:58,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:58,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:58,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:58,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:58,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:58,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:58,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:58,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:58,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:58,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:58,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:58,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:58,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:58,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:58,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:58,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:58,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:58,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:58,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:58,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:58,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:58,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:58,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:58,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:58,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:58,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:58,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:58,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:58,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:58,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:58,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:58,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:58,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:58,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:58,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:58,981 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:58,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:58,982 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:58,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:58,982 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:58,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:58,983 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:58,983 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:58,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:58,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:58,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:58,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:58,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:58,985 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:58,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:58,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:58,985 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:58,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:58,986 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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0cfd9780eeedf9aa4140ed57adc138b8bb78ff47f7ccaaeace67369ab9d2da [2021-11-23 15:40:59,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:59,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:59,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:59,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:59,393 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:59,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2021-11-23 15:40:59,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/b4051f398/aeff6c2a2d8746b38114de70ab4f5d1b/FLAG352f0c54e [2021-11-23 15:40:59,963 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:59,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/sv-benchmarks/c/floats-cdfpl/newton_1_8.i [2021-11-23 15:40:59,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/b4051f398/aeff6c2a2d8746b38114de70ab4f5d1b/FLAG352f0c54e [2021-11-23 15:41:00,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/data/b4051f398/aeff6c2a2d8746b38114de70ab4f5d1b [2021-11-23 15:41:00,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:00,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:00,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:00,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:00,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:00,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9faaeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00, skipping insertion in model container [2021-11-23 15:41:00,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:00,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:00,662 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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2021-11-23 15:41:00,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:00,680 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:00,700 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_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/sv-benchmarks/c/floats-cdfpl/newton_1_8.i[1722,1735] [2021-11-23 15:41:00,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:00,715 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:00,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00 WrapperNode [2021-11-23 15:41:00,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:00,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:00,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:00,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:00,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,752 INFO L137 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2021-11-23 15:41:00,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:00,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:00,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:00,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:00,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:00,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:00,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:00,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:00,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:00" (1/1) ... [2021-11-23 15:41:00,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:00,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:00,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:00,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:00,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:41:00,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:00,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:00,960 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:00,961 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:21,983 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:41:22,001 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 15:41:22,006 INFO L158 Benchmark]: Toolchain (without parser) took 21650.52ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 45.5MB in the end (delta: 8.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,007 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:22,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.89ms. Allocated memory is still 75.5MB. Free memory was 54.0MB in the beginning and 57.7MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 75.5MB. Free memory was 57.7MB in the beginning and 55.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,010 INFO L158 Benchmark]: Boogie Preprocessor took 27.01ms. Allocated memory is still 75.5MB. Free memory was 55.9MB in the beginning and 54.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:22,011 INFO L158 Benchmark]: RCFGBuilder took 21222.76ms. Allocated memory is still 75.5MB. Free memory was 54.8MB in the beginning and 45.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:41:22,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.89ms. Allocated memory is still 75.5MB. Free memory was 54.0MB in the beginning and 57.7MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 75.5MB. Free memory was 57.7MB in the beginning and 55.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.01ms. Allocated memory is still 75.5MB. Free memory was 55.9MB in the beginning and 54.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 21222.76ms. Allocated memory is still 75.5MB. Free memory was 54.8MB in the beginning and 45.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. 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 15:41:22,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cf86780-61e7-4bf9-9d5e-709a13a7d7ab/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable