./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.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_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/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_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/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_6269faa8-a100-441f-99ab-5079ce8c2905/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 6fce76024adc68e21e1cc196dab3e80b460687e3a9e05290958802f4f588d42d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:47,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:47,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:47,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:47,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:47,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:47,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:47,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:47,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:47,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:47,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:47,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:47,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:47,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:47,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:47,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:47,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:47,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:47,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:47,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:47,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:47,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:47,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:47,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:47,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:47,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:47,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:47,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:47,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:47,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:47,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:47,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:47,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:47,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:47,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:47,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:47,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:47,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:47,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:47,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:47,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:47,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:48,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:48,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:48,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:48,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:48,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:48,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:48,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:48,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:48,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:48,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:48,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:48,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:48,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:48,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:48,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:48,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:48,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:48,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:48,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:48,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:48,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:48,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:48,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:48,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:48,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:48,024 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:48,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:48,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:48,025 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_6269faa8-a100-441f-99ab-5079ce8c2905/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fce76024adc68e21e1cc196dab3e80b460687e3a9e05290958802f4f588d42d [2021-11-23 15:51:48,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:48,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:48,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:48,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:48,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:48,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2021-11-23 15:51:48,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/7b481873d/63c0d7d3fbed443281bc10391d30ce06/FLAG13e0b206b [2021-11-23 15:51:48,788 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:48,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2021-11-23 15:51:48,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/7b481873d/63c0d7d3fbed443281bc10391d30ce06/FLAG13e0b206b [2021-11-23 15:51:49,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/7b481873d/63c0d7d3fbed443281bc10391d30ce06 [2021-11-23 15:51:49,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:49,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:49,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:49,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:49,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:49,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d2b7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49, skipping insertion in model container [2021-11-23 15:51:49,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:49,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:49,400 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_6269faa8-a100-441f-99ab-5079ce8c2905/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c[1751,1764] [2021-11-23 15:51:49,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:49,415 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:49,436 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_6269faa8-a100-441f-99ab-5079ce8c2905/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c[1751,1764] [2021-11-23 15:51:49,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:49,447 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:49,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49 WrapperNode [2021-11-23 15:51:49,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:49,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:49,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:49,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:49,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,485 INFO L137 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2021-11-23 15:51:49,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:49,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:49,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:49,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:49,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:49,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:49,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:49,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:49,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:49" (1/1) ... [2021-11-23 15:51:49,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:49,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:49,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:49,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 15:51:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:51:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 15:51:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:51:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:49,664 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:49,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:49,903 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:49,936 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 15:51:49,940 INFO L158 Benchmark]: Toolchain (without parser) took 760.60ms. Allocated memory is still 151.0MB. Free memory was 117.0MB in the beginning and 110.6MB in the end (delta: 6.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:49,941 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:49,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.84ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 126.1MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:49,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 151.0MB. Free memory was 126.1MB in the beginning and 124.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:49,957 INFO L158 Benchmark]: Boogie Preprocessor took 38.72ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 123.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:49,958 INFO L158 Benchmark]: RCFGBuilder took 412.23ms. Allocated memory is still 151.0MB. Free memory was 123.1MB in the beginning and 110.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:49,962 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 86.0MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.84ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 126.1MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 151.0MB. Free memory was 126.1MB in the beginning and 124.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.72ms. Allocated memory is still 151.0MB. Free memory was 124.7MB in the beginning and 123.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.23ms. Allocated memory is still 151.0MB. Free memory was 123.1MB in the beginning and 110.6MB 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 15:51:50,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/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_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/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_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/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_6269faa8-a100-441f-99ab-5079ce8c2905/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 6fce76024adc68e21e1cc196dab3e80b460687e3a9e05290958802f4f588d42d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:52,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:52,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:52,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:52,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:52,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:52,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:52,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:52,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:52,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:52,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:52,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:52,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:52,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:52,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:52,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:52,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:52,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:52,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:52,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:52,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:52,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:52,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:52,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:52,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:52,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:52,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:52,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:52,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:52,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:52,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:52,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:52,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:52,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:52,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:52,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:52,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:52,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:52,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:52,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:52,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:52,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:52,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:52,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:52,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:52,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:52,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:52,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:52,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:52,527 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:52,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:52,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:52,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:52,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:52,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:52,530 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:52,530 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:52,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:52,530 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:52,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:52,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:52,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:52,531 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:52,531 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:52,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:52,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:52,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:52,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:52,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:52,533 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:52,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:52,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:52,533 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:52,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:52,534 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_6269faa8-a100-441f-99ab-5079ce8c2905/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fce76024adc68e21e1cc196dab3e80b460687e3a9e05290958802f4f588d42d [2021-11-23 15:51:52,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:52,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:52,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:52,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:52,945 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:52,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2021-11-23 15:51:53,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/04d61317c/0da8df29fc144363925bb87469b9f582/FLAG5e78fba3a [2021-11-23 15:51:53,624 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:53,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c [2021-11-23 15:51:53,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/04d61317c/0da8df29fc144363925bb87469b9f582/FLAG5e78fba3a [2021-11-23 15:51:53,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/data/04d61317c/0da8df29fc144363925bb87469b9f582 [2021-11-23 15:51:53,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:53,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:54,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:54,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:54,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:53" (1/1) ... [2021-11-23 15:51:54,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b606d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54, skipping insertion in model container [2021-11-23 15:51:54,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:53" (1/1) ... [2021-11-23 15:51:54,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:54,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:54,194 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_6269faa8-a100-441f-99ab-5079ce8c2905/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c[1751,1764] [2021-11-23 15:51:54,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:54,241 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:54,280 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_6269faa8-a100-441f-99ab-5079ce8c2905/sv-benchmarks/c/float-newlib/float_req_bl_1092b.c[1751,1764] [2021-11-23 15:51:54,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:54,304 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:54,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54 WrapperNode [2021-11-23 15:51:54,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:54,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:54,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:54,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:54,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,363 INFO L137 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2021-11-23 15:51:54,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:54,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:54,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:54,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:54,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:54,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:54,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:54,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:54,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:54" (1/1) ... [2021-11-23 15:51:54,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:54,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:54,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:54,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-23 15:51:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:51:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:54,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-23 15:51:54,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:51:54,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:54,599 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:54,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:55,184 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:55,201 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 15:51:55,204 INFO L158 Benchmark]: Toolchain (without parser) took 1204.99ms. Allocated memory is still 75.5MB. Free memory was 39.8MB in the beginning and 42.1MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:55,204 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:55,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.25ms. Allocated memory is still 75.5MB. Free memory was 39.6MB in the beginning and 58.2MB in the end (delta: -18.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-23 15:51:55,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.89ms. Allocated memory is still 75.5MB. Free memory was 58.0MB in the beginning and 56.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:55,213 INFO L158 Benchmark]: Boogie Preprocessor took 54.35ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 54.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:55,215 INFO L158 Benchmark]: RCFGBuilder took 782.54ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 42.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:55,220 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 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.25ms. Allocated memory is still 75.5MB. Free memory was 39.6MB in the beginning and 58.2MB in the end (delta: -18.5MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.89ms. Allocated memory is still 75.5MB. Free memory was 58.0MB in the beginning and 56.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.35ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 54.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 782.54ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 42.1MB 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 15:51:55,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6269faa8-a100-441f-99ab-5079ce8c2905/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