./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c --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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:14,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:14,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:14,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:14,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:14,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:14,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:14,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:14,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:14,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:14,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:14,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:14,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:14,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:14,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:14,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:14,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:14,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:14,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:14,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:14,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:14,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:14,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:14,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:14,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:14,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:14,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:14,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:14,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:14,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:14,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:14,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:14,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:14,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:14,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:14,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:14,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:14,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:14,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:14,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:14,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:14,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:49:14,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:14,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:14,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:14,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:14,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:14,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:14,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:14,490 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:14,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:14,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:14,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:14,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:14,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:14,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:14,491 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:14,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:14,492 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:14,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:14,492 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:14,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:14,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:14,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:14,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:14,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:14,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:14,494 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:49:14,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:49:14,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:14,495 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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 [2021-11-23 15:49:14,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:14,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:14,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:14,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:14,786 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:14,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-11-23 15:49:14,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/05e8a9f58/cfd5f96f31fa427d90b08004244fc8be/FLAG3892457ed [2021-11-23 15:49:15,334 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:15,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-11-23 15:49:15,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/05e8a9f58/cfd5f96f31fa427d90b08004244fc8be/FLAG3892457ed [2021-11-23 15:49:15,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/05e8a9f58/cfd5f96f31fa427d90b08004244fc8be [2021-11-23 15:49:15,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:15,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:15,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:15,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:15,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:15,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:15,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbe39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15, skipping insertion in model container [2021-11-23 15:49:15,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:15,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:15,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:15,985 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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-11-23 15:49:15,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:15,996 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:16,027 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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-11-23 15:49:16,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:16,043 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:16,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16 WrapperNode [2021-11-23 15:49:16,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:16,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:16,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:16,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:16,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,091 INFO L137 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2021-11-23 15:49:16,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:16,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:16,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:16,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:16,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:16,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:16,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:16,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:16,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:16" (1/1) ... [2021-11-23 15:49:16,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:16,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:16,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:16,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:49:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 15:49:16,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:49:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 15:49:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:49:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:16,341 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:16,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:16,650 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:16,668 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 15:49:16,673 INFO L158 Benchmark]: Toolchain (without parser) took 964.03ms. Allocated memory is still 107.0MB. Free memory was 69.6MB in the beginning and 64.5MB in the end (delta: 5.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:49:16,674 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:16,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.63ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 80.4MB in the end (delta: -11.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 15:49:16,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.77ms. Allocated memory is still 107.0MB. Free memory was 80.4MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:16,678 INFO L158 Benchmark]: Boogie Preprocessor took 35.01ms. Allocated memory is still 107.0MB. Free memory was 78.6MB in the beginning and 77.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:16,679 INFO L158 Benchmark]: RCFGBuilder took 542.61ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 64.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:49:16,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.63ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 80.4MB in the end (delta: -11.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.77ms. Allocated memory is still 107.0MB. Free memory was 80.4MB in the beginning and 78.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.01ms. Allocated memory is still 107.0MB. Free memory was 78.6MB in the beginning and 77.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.61ms. Allocated memory is still 107.0MB. Free memory was 77.1MB in the beginning and 64.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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 15:49:16,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:19,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:19,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:19,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:19,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:19,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:19,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:19,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:19,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:19,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:19,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:19,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:19,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:19,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:19,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:19,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:19,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:19,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:19,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:19,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:19,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:19,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:19,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:19,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:19,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:19,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:19,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:19,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:19,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:19,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:19,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:19,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:19,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:19,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:19,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:19,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:19,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:19,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:19,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:19,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:19,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:19,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:49:19,457 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:19,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:19,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:19,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:19,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:19,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:19,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:19,459 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:19,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:19,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:19,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:19,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:19,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:19,460 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:49:19,461 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:49:19,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:49:19,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:19,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:19,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:19,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:19,462 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:19,462 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:19,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:19,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:19,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:19,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:19,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:19,463 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:49:19,463 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:49:19,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:19,463 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:49:19,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:49:19,463 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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d431936a29cc36080ed8e682b8710bc84852895ee04dfb24fab46f24aa96450 [2021-11-23 15:49:19,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:19,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:19,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:19,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:19,955 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:19,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-11-23 15:49:20,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/d7e7c761f/2cca1e4c4bb242f1afd294480a962841/FLAG09bdce531 [2021-11-23 15:49:20,667 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:20,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-11-23 15:49:20,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/d7e7c761f/2cca1e4c4bb242f1afd294480a962841/FLAG09bdce531 [2021-11-23 15:49:20,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/data/d7e7c761f/2cca1e4c4bb242f1afd294480a962841 [2021-11-23 15:49:20,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:20,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:20,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:20,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:20,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:20,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:20" (1/1) ... [2021-11-23 15:49:20,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfdd519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:20, skipping insertion in model container [2021-11-23 15:49:20,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:20" (1/1) ... [2021-11-23 15:49:20,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:20,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:20,907 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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-11-23 15:49:20,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:20,922 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:20,999 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_6966c5b4-7590-4d66-ba82-19fcaf3052f6/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-11-23 15:49:21,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:21,016 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:21,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21 WrapperNode [2021-11-23 15:49:21,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:21,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:21,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:21,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:21,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,082 INFO L137 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2021-11-23 15:49:21,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:21,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:21,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:21,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:21,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:21,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:21,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:21,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:21,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:21,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:21,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:21,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-23 15:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-23 15:49:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:49:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:21,369 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:21,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:22,187 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:22,204 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 15:49:22,209 INFO L158 Benchmark]: Toolchain (without parser) took 1514.72ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 34.4MB in the end (delta: 13.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 15:49:22,210 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:22,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.78ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 50.8MB in the end (delta: -3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:49:22,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.78ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 48.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:22,213 INFO L158 Benchmark]: Boogie Preprocessor took 64.38ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:22,214 INFO L158 Benchmark]: RCFGBuilder took 1057.36ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 34.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:49:22,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.78ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 50.8MB in the end (delta: -3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.78ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 48.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.38ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 47.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1057.36ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 34.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. 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 15:49:22,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6966c5b4-7590-4d66-ba82-19fcaf3052f6/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