./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:16,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:16,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:16,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:16,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:16,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:16,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:16,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:16,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:16,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:16,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:16,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:16,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:16,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:16,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:16,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:16,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:16,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:16,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:16,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:16,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:16,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:16,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:16,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:16,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:16,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:16,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:16,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:16,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:16,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:16,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:16,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:16,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:16,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:16,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:16,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:16,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:16,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:16,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:16,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:16,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:16,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:16,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:16,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:16,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:16,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:16,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:16,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:16,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:16,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:16,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:16,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:16,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:16,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:16,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:16,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:16,652 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:16,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:16,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:16,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:16,653 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:16,653 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:16,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:16,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:16,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:16,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:16,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:16,655 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:16,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:16,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:16,656 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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d [2021-11-23 15:55:16,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:17,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:17,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:17,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:17,021 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:17,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2021-11-23 15:55:17,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/f3f441d5e/c50a018f9037458d853b9b9e2321fd5d/FLAG5b21dbf5a [2021-11-23 15:55:17,732 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:17,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2021-11-23 15:55:17,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/f3f441d5e/c50a018f9037458d853b9b9e2321fd5d/FLAG5b21dbf5a [2021-11-23 15:55:18,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/f3f441d5e/c50a018f9037458d853b9b9e2321fd5d [2021-11-23 15:55:18,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:18,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:18,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:18,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:18,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:18,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11aef1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18, skipping insertion in model container [2021-11-23 15:55:18,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:18,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:18,359 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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2021-11-23 15:55:18,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:18,372 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:18,395 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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2021-11-23 15:55:18,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:18,412 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:18,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18 WrapperNode [2021-11-23 15:55:18,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:18,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:18,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:18,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:18,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,459 INFO L137 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2021-11-23 15:55:18,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:18,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:18,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:18,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:18,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:18,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:18,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:18,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:18,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:18" (1/1) ... [2021-11-23 15:55:18,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:18,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:18,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:18,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:18,673 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:18,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:18,784 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:18,808 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 15:55:18,816 INFO L158 Benchmark]: Toolchain (without parser) took 715.43ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 64.9MB in the end (delta: 3.2MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,818 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 55.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:18,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.24ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 76.5MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.27ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 74.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,821 INFO L158 Benchmark]: Boogie Preprocessor took 25.07ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 73.9MB in the end (delta: 874.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:18,822 INFO L158 Benchmark]: RCFGBuilder took 327.10ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 64.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:18,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 55.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.24ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 76.5MB in the end (delta: -8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.27ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 74.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.07ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 73.9MB in the end (delta: 874.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 327.10ms. Allocated memory is still 100.7MB. Free memory was 73.9MB in the beginning and 64.9MB in the end (delta: 9.0MB). 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 15:55:18,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:21,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:21,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:21,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:21,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:21,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:21,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:21,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:21,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:21,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:21,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:21,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:21,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:21,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:21,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:21,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:21,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:21,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:21,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:21,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:21,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:21,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:21,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:21,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:21,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:21,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:21,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:21,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:21,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:21,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:21,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:21,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:21,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:21,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:21,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:21,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:21,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:21,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:21,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:21,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:22,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:22,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:22,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:22,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:22,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:22,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:22,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:22,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:22,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:22,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:22,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:22,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:22,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:22,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:22,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:22,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:22,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:22,070 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:22,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:22,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:22,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:22,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:22,071 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:22,071 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:22,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:22,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:22,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:22,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:22,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:22,073 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:22,073 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:22,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:22,074 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:22,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:22,075 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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bf653052dcd565496dd2bb2fc39dec2e1795b1b77fb1f137fb0bb16a87a196d [2021-11-23 15:55:22,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:22,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:22,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:22,592 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:22,593 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:22,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2021-11-23 15:55:22,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/72a90e763/2a03464435a3416b863f2d807189d0f8/FLAGa63b89dc4 [2021-11-23 15:55:23,255 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:23,256 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/sv-benchmarks/c/floats-cdfpl/newton_1_1.i [2021-11-23 15:55:23,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/72a90e763/2a03464435a3416b863f2d807189d0f8/FLAGa63b89dc4 [2021-11-23 15:55:23,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/data/72a90e763/2a03464435a3416b863f2d807189d0f8 [2021-11-23 15:55:23,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:23,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:23,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:23,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:23,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:23,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:23,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471b8ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:23, skipping insertion in model container [2021-11-23 15:55:23,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:23" (1/1) ... [2021-11-23 15:55:23,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:23,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:23,944 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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2021-11-23 15:55:23,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:23,967 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:24,021 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_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/sv-benchmarks/c/floats-cdfpl/newton_1_1.i[1722,1735] [2021-11-23 15:55:24,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:24,055 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:24,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24 WrapperNode [2021-11-23 15:55:24,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:24,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:24,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:24,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:24,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,127 INFO L137 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2021-11-23 15:55:24,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:24,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:24,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:24,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:24,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:24,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:24,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:24,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:24,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:24" (1/1) ... [2021-11-23 15:55:24,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:24,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:24,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:24,378 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:24,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:40,343 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:40,365 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 15:55:40,371 INFO L158 Benchmark]: Toolchain (without parser) took 16773.88ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 28.7MB in the beginning and 52.6MB in the end (delta: -23.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:40,372 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:40,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.59ms. Allocated memory is still 52.4MB. Free memory was 28.4MB in the beginning and 34.6MB in the end (delta: -6.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:40,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.90ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 32.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:40,376 INFO L158 Benchmark]: Boogie Preprocessor took 48.46ms. Allocated memory is still 52.4MB. Free memory was 32.9MB in the beginning and 31.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:40,378 INFO L158 Benchmark]: RCFGBuilder took 16190.25ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 31.7MB in the beginning and 52.6MB in the end (delta: -20.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:40,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.59ms. Allocated memory is still 52.4MB. Free memory was 28.4MB in the beginning and 34.6MB in the end (delta: -6.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.90ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 32.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.46ms. Allocated memory is still 52.4MB. Free memory was 32.9MB in the beginning and 31.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16190.25ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 31.7MB in the beginning and 52.6MB in the end (delta: -20.8MB). Peak memory consumption was 11.9MB. 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 15:55:40,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_188f5f72-12be-4e83-9cbd-ce81eb1d44cd/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