./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:29,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:29,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:29,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:29,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:29,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:29,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:29,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:29,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:29,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:29,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:29,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:29,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:29,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:29,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:29,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:29,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:29,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:29,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:29,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:29,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:29,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:29,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:29,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:29,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:29,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:29,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:29,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:29,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:29,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:29,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:29,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:29,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:29,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:29,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:29,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:29,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:29,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:29,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:29,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:29,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:29,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:29,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:29,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:29,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:29,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:29,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:29,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:29,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:29,723 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:29,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:29,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:29,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:29,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:29,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:29,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:29,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:29,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:29,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:29,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:29,731 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:29,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:29,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:29,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:29,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:29,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:29,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:29,732 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:29,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:29,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:29,733 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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 [2021-11-23 15:52:29,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:29,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:29,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:30,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:30,002 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:30,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-11-23 15:52:30,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/fed246316/05536c10176c46e1b4c0e24b8fa70508/FLAG12b32b189 [2021-11-23 15:52:30,494 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:30,495 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-11-23 15:52:30,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/fed246316/05536c10176c46e1b4c0e24b8fa70508/FLAG12b32b189 [2021-11-23 15:52:30,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/fed246316/05536c10176c46e1b4c0e24b8fa70508 [2021-11-23 15:52:30,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:30,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:30,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:30,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:30,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:30,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:30" (1/1) ... [2021-11-23 15:52:30,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1467ee5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:30, skipping insertion in model container [2021-11-23 15:52:30,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:30" (1/1) ... [2021-11-23 15:52:30,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:30,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:31,157 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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-11-23 15:52:31,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:31,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:31,208 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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-11-23 15:52:31,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:31,224 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:31,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31 WrapperNode [2021-11-23 15:52:31,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:31,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:31,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:31,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:31,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,266 INFO L137 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2021-11-23 15:52:31,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:31,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:31,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:31,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:31,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:31,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:31,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:31,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:31,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:31" (1/1) ... [2021-11-23 15:52:31,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:31,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:31,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:31,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 15:52:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:52:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 15:52:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:52:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:31,473 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:31,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:31,651 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:31,667 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 15:52:31,672 INFO L158 Benchmark]: Toolchain (without parser) took 772.42ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 45.7MB in the beginning and 95.3MB in the end (delta: -49.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:31,673 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:31,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.85ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 45.5MB in the beginning and 111.0MB in the end (delta: -65.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:52:31,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.94ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:31,676 INFO L158 Benchmark]: Boogie Preprocessor took 40.77ms. Allocated memory is still 138.4MB. Free memory was 109.0MB in the beginning and 107.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:31,677 INFO L158 Benchmark]: RCFGBuilder took 360.52ms. Allocated memory is still 138.4MB. Free memory was 107.9MB in the beginning and 95.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:31,682 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 104.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.85ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 45.5MB in the beginning and 111.0MB in the end (delta: -65.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.94ms. Allocated memory is still 138.4MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.77ms. Allocated memory is still 138.4MB. Free memory was 109.0MB in the beginning and 107.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 360.52ms. Allocated memory is still 138.4MB. Free memory was 107.9MB in the beginning and 95.3MB 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 15:52:31,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:34,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:34,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:34,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:34,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:34,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:34,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:34,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:34,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:34,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:34,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:34,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:34,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:34,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:34,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:34,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:34,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:34,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:34,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:34,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:34,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:34,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:34,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:34,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:34,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:34,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:34,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:34,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:34,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:34,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:34,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:34,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:34,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:34,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:34,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:34,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:34,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:34,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:34,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:34,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:34,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:34,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:34,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:34,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:34,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:34,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:34,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:34,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:34,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:34,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:34,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:34,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:34,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:34,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:34,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:34,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:34,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:34,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:34,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:34,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:34,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:34,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:34,503 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:34,503 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:34,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:34,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:34,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:34,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:34,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:34,505 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:34,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:34,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:34,505 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:34,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:34,506 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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b28f1771fed46d057da916762844447a30bce2821ca5ce4d8266d25ce5978b7 [2021-11-23 15:52:34,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:34,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:34,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:34,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:34,981 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:34,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-11-23 15:52:35,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/956269a24/92a560157995455fbf3c8feef7b345b5/FLAG8497916b2 [2021-11-23 15:52:35,722 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:35,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c [2021-11-23 15:52:35,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/956269a24/92a560157995455fbf3c8feef7b345b5/FLAG8497916b2 [2021-11-23 15:52:36,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/data/956269a24/92a560157995455fbf3c8feef7b345b5 [2021-11-23 15:52:36,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:36,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:36,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:36,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:36,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:36,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b538aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36, skipping insertion in model container [2021-11-23 15:52:36,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:36,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:36,362 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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-11-23 15:52:36,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:36,414 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:36,487 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_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/sv-benchmarks/c/float-newlib/float_req_bl_1052b.c[1778,1791] [2021-11-23 15:52:36,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:36,508 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:36,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36 WrapperNode [2021-11-23 15:52:36,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:36,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:36,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:36,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:36,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,589 INFO L137 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2021-11-23 15:52:36,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:36,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:36,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:36,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:36,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:36,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:36,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:36,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:36,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:36" (1/1) ... [2021-11-23 15:52:36,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:36,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:36,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-23 15:52:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:52:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-23 15:52:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:52:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:36,907 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:36,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:37,629 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:37,655 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 15:52:37,663 INFO L158 Benchmark]: Toolchain (without parser) took 1584.37ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 41.0MB in the end (delta: -3.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:37,665 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:37,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.58ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 41.7MB in the end (delta: -3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:37,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.52ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 39.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:37,671 INFO L158 Benchmark]: Boogie Preprocessor took 81.22ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 38.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:37,672 INFO L158 Benchmark]: RCFGBuilder took 987.19ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 41.0MB in the end (delta: -2.8MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:37,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.58ms. Allocated memory is still 60.8MB. Free memory was 37.8MB in the beginning and 41.7MB in the end (delta: -3.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.52ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 39.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.22ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 38.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 987.19ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 41.0MB in the end (delta: -2.8MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:37,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8ecf9d-6f5f-4cbe-8453-80478720e5d0/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