./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.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_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/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_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/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_f159723b-edb0-4749-95e9-a9f808a44d37/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 a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:58,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:58,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:58,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:58,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:58,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:58,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:58,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:58,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:58,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:58,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:58,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:58,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:58,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:58,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:58,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:58,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:58,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:58,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:58,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:58,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:58,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:58,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:58,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:58,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:58,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:58,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:58,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:58,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:58,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:58,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:58,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:58,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:58,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:58,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:58,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:58,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:58,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:58,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:58,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:58,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:58,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:58,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:58,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:58,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:58,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:58,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:58,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:58,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:58,929 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:58,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:58,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:58,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:58,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:58,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:58,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:58,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:58,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:58,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:58,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:58,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:58,932 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:58,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:58,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:58,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:58,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:58,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:58,935 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:58,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:58,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:58,936 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_f159723b-edb0-4749-95e9-a9f808a44d37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 [2021-11-23 15:50:59,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:59,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:59,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:59,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:59,206 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:59,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c [2021-11-23 15:50:59,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/2fc8c1013/02714bfcb2ab4620805e59fb4efa5cea/FLAG3feb81244 [2021-11-23 15:50:59,819 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:59,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c [2021-11-23 15:50:59,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/2fc8c1013/02714bfcb2ab4620805e59fb4efa5cea/FLAG3feb81244 [2021-11-23 15:51:00,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/2fc8c1013/02714bfcb2ab4620805e59fb4efa5cea [2021-11-23 15:51:00,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:00,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:00,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:00,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:00,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:00,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32874ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00, skipping insertion in model container [2021-11-23 15:51:00,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:00,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:00,511 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_f159723b-edb0-4749-95e9-a9f808a44d37/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2021-11-23 15:51:00,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:00,526 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:00,567 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_f159723b-edb0-4749-95e9-a9f808a44d37/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2021-11-23 15:51:00,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:00,583 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:00,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00 WrapperNode [2021-11-23 15:51:00,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:00,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:00,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:00,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:00,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,640 INFO L137 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2021-11-23 15:51:00,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:00,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:00,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:00,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:00,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:00,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:00,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:00,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:00,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2021-11-23 15:51:00,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:00,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:00,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:00,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:00,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:00,808 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2021-11-23 15:51:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2021-11-23 15:51:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 15:51:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:00,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:51:00,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:00,908 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:00,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:01,128 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:01,145 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 15:51:01,149 INFO L158 Benchmark]: Toolchain (without parser) took 939.41ms. Allocated memory is still 100.7MB. Free memory was 67.3MB in the beginning and 62.3MB in the end (delta: 4.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:01,150 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:01,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.72ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 77.5MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:01,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.00ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:01,153 INFO L158 Benchmark]: Boogie Preprocessor took 57.23ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:01,154 INFO L158 Benchmark]: RCFGBuilder took 448.44ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 62.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:01,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.72ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 77.5MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.00ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 75.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.23ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.44ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 62.3MB in the end (delta: 12.1MB). 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 15:51:01,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/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_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/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_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/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_f159723b-edb0-4749-95e9-a9f808a44d37/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 a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:03,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:03,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:03,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:03,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:03,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:03,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:03,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:03,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:03,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:03,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:03,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:03,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:03,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:03,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:03,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:03,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:03,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:03,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:03,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:03,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:03,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:03,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:03,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:03,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:03,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:03,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:03,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:03,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:03,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:03,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:03,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:03,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:03,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:03,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:03,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:03,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:03,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:03,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:03,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:03,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:03,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:03,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:03,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:03,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:03,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:03,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:03,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:03,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:03,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:03,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:03,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:03,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:03,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:03,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:03,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:03,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:03,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:03,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:03,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:03,913 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:03,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:03,913 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:03,913 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:03,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:03,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:03,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:03,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:03,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:03,915 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:03,915 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:03,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:03,915 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:03,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:03,916 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_f159723b-edb0-4749-95e9-a9f808a44d37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a237c0c5e1786112b53bae8b5da7db35eee15483563deacdbe79fcac787d5645 [2021-11-23 15:51:04,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:04,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:04,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:04,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:04,343 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:04,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_1252a.c [2021-11-23 15:51:04,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/aca41b04f/59ae1534b34342799615ae767dff5919/FLAG6035acb27 [2021-11-23 15:51:04,961 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:04,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c [2021-11-23 15:51:04,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/aca41b04f/59ae1534b34342799615ae767dff5919/FLAG6035acb27 [2021-11-23 15:51:05,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/data/aca41b04f/59ae1534b34342799615ae767dff5919 [2021-11-23 15:51:05,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:05,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:05,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:05,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:05,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:05,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f88d76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05, skipping insertion in model container [2021-11-23 15:51:05,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:05,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:05,553 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_f159723b-edb0-4749-95e9-a9f808a44d37/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2021-11-23 15:51:05,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:05,568 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:05,590 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_f159723b-edb0-4749-95e9-a9f808a44d37/sv-benchmarks/c/float-newlib/float_req_bl_1252a.c[1897,1910] [2021-11-23 15:51:05,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:05,607 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:05,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05 WrapperNode [2021-11-23 15:51:05,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:05,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:05,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:05,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:05,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,651 INFO L137 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2021-11-23 15:51:05,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:05,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:05,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:05,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:05,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:05,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:05,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:05,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:05,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:05" (1/1) ... [2021-11-23 15:51:05,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:05,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:05,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:05,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2021-11-23 15:51:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2021-11-23 15:51:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:51:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-23 15:51:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:05,919 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:05,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:06,194 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:06,209 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 15:51:06,214 INFO L158 Benchmark]: Toolchain (without parser) took 888.57ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 33.1MB in the beginning and 50.2MB in the end (delta: -17.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:06,215 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:06,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.29ms. Allocated memory is still 54.5MB. Free memory was 32.9MB in the beginning and 35.6MB in the end (delta: -2.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:06,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.52ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 33.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:06,218 INFO L158 Benchmark]: Boogie Preprocessor took 66.67ms. Allocated memory is still 54.5MB. Free memory was 33.9MB in the beginning and 32.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:06,219 INFO L158 Benchmark]: RCFGBuilder took 490.00ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 50.2MB in the end (delta: -17.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 15:51:06,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 35.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.29ms. Allocated memory is still 54.5MB. Free memory was 32.9MB in the beginning and 35.6MB in the end (delta: -2.7MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.52ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 33.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.67ms. Allocated memory is still 54.5MB. Free memory was 33.9MB in the beginning and 32.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.00ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 50.2MB in the end (delta: -17.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:06,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f159723b-edb0-4749-95e9-a9f808a44d37/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