./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/mea8000.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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/mea8000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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 cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:41,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:41,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:41,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:41,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:41,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:41,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:41,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:41,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:41,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:41,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:41,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:41,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:41,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:41,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:41,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:41,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:41,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:41,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:42,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:42,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:42,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:42,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:42,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:42,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:42,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:42,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:42,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:42,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:42,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:42,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:42,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:42,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:42,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:42,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:42,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:42,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:42,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:42,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:42,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:42,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:42,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:42,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:42,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:42,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:42,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:42,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:42,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:42,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:42,095 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:42,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:42,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:42,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:42,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:42,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:42,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:42,097 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:42,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:42,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:42,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:42,098 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:42,098 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:42,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:42,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:42,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:42,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:42,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:42,100 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:42,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:42,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:42,101 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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 [2021-11-23 15:58:42,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:42,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:42,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:42,437 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:42,438 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:42,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/mea8000.c [2021-11-23 15:58:42,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/4c994fca2/2281c823eaab40aeb9e2d70f44b15352/FLAGece2e1347 [2021-11-23 15:58:43,162 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:43,163 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/sv-benchmarks/c/float-benchs/mea8000.c [2021-11-23 15:58:43,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/4c994fca2/2281c823eaab40aeb9e2d70f44b15352/FLAGece2e1347 [2021-11-23 15:58:43,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/4c994fca2/2281c823eaab40aeb9e2d70f44b15352 [2021-11-23 15:58:43,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:43,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:43,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:43,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:43,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:43,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bad85e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43, skipping insertion in model container [2021-11-23 15:58:43,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:43,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:43,755 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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2021-11-23 15:58:43,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:43,902 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:43,920 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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2021-11-23 15:58:44,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:44,063 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:44,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44 WrapperNode [2021-11-23 15:58:44,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:44,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:44,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:44,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:44,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,158 INFO L137 Inliner]: procedures = 39, calls = 238, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 424 [2021-11-23 15:58:44,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:44,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:44,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:44,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:44,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:44,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:44,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:44,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:44,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:44,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:44,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:44,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure write_signed16 [2021-11-23 15:58:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure write_signed16 [2021-11-23 15:58:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2021-11-23 15:58:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cos [2021-11-23 15:58:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure update_req [2021-11-23 15:58:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure update_req [2021-11-23 15:58:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 15:58:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:58:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 15:58:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:58:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_char [2021-11-23 15:58:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2021-11-23 15:58:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure exp [2021-11-23 15:58:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure interp [2021-11-23 15:58:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure interp [2021-11-23 15:58:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure start_frame [2021-11-23 15:58:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure start_frame [2021-11-23 15:58:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:58:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:58:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure shift_frame [2021-11-23 15:58:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure shift_frame [2021-11-23 15:58:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure decode_frame [2021-11-23 15:58:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_frame [2021-11-23 15:58:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure stop_frame [2021-11-23 15:58:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_frame [2021-11-23 15:58:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:58:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:58:44,652 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:44,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:45,399 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:45,454 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 15:58:45,460 INFO L158 Benchmark]: Toolchain (without parser) took 1962.60ms. Allocated memory is still 157.3MB. Free memory was 123.8MB in the beginning and 74.1MB in the end (delta: 49.6MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:45,461 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:45,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.70ms. Allocated memory is still 157.3MB. Free memory was 123.4MB in the beginning and 124.3MB in the end (delta: -889.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:45,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.83ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 120.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:45,464 INFO L158 Benchmark]: Boogie Preprocessor took 125.19ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 116.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:45,465 INFO L158 Benchmark]: RCFGBuilder took 1162.28ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 74.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:45,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.70ms. Allocated memory is still 157.3MB. Free memory was 123.4MB in the beginning and 124.3MB in the end (delta: -889.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.83ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 120.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.19ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 116.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1162.28ms. Allocated memory is still 157.3MB. Free memory was 116.5MB in the beginning and 74.6MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:45,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/mea8000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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 cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:48,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:48,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:48,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:48,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:48,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:48,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:48,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:48,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:48,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:48,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:48,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:48,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:48,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:48,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:48,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:48,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:48,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:48,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:48,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:48,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:48,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:48,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:48,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:48,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:48,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:48,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:48,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:48,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:48,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:48,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:48,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:48,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:48,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:48,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:48,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:48,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:48,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:48,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:48,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:48,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:48,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:48,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:48,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:48,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:48,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:48,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:48,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:48,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:48,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:48,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:48,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:48,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:48,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:48,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:48,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:48,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:48,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:48,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:48,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:48,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:48,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:48,769 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:48,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:48,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:48,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:48,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:48,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:48,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:48,771 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:48,771 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:48,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:48,771 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:48,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:48,772 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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd44d90aed9d2d04077d2b748267e187447c04398d91bc61f6043a9ae8c38324 [2021-11-23 15:58:49,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:49,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:49,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:49,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:49,308 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:49,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-benchs/mea8000.c [2021-11-23 15:58:49,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/b173fc46f/f036b99199fe4d94898c87b24bd773d0/FLAG8f5c8b5b3 [2021-11-23 15:58:50,109 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:50,110 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/sv-benchmarks/c/float-benchs/mea8000.c [2021-11-23 15:58:50,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/b173fc46f/f036b99199fe4d94898c87b24bd773d0/FLAG8f5c8b5b3 [2021-11-23 15:58:50,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/data/b173fc46f/f036b99199fe4d94898c87b24bd773d0 [2021-11-23 15:58:50,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:50,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:50,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:50,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:50,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:50,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:50" (1/1) ... [2021-11-23 15:58:50,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256ef08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:50, skipping insertion in model container [2021-11-23 15:58:50,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:50" (1/1) ... [2021-11-23 15:58:50,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:50,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:50,673 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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2021-11-23 15:58:50,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:50,887 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:50,906 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_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/sv-benchmarks/c/float-benchs/mea8000.c[649,662] [2021-11-23 15:58:51,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:51,125 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:51,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51 WrapperNode [2021-11-23 15:58:51,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:51,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:51,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:51,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:51,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,269 INFO L137 Inliner]: procedures = 43, calls = 238, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 418 [2021-11-23 15:58:51,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:51,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:51,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:51,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:51,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:51,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:51,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:51,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:51,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:51,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:51,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:51,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 15:58:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write_signed16 [2021-11-23 15:58:51,484 INFO L138 BoogieDeclarations]: Found implementation of procedure write_signed16 [2021-11-23 15:58:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 15:58:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2021-11-23 15:58:51,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cos [2021-11-23 15:58:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:58:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure update_req [2021-11-23 15:58:51,486 INFO L138 BoogieDeclarations]: Found implementation of procedure update_req [2021-11-23 15:58:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:58:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:58:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_char [2021-11-23 15:58:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2021-11-23 15:58:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure exp [2021-11-23 15:58:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure interp [2021-11-23 15:58:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure interp [2021-11-23 15:58:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure start_frame [2021-11-23 15:58:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure start_frame [2021-11-23 15:58:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:58:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:58:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure shift_frame [2021-11-23 15:58:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure shift_frame [2021-11-23 15:58:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure decode_frame [2021-11-23 15:58:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_frame [2021-11-23 15:58:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure stop_frame [2021-11-23 15:58:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_frame [2021-11-23 15:58:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:58:51,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:58:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:58:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:58:51,681 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:51,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:51,867 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:52,011 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 15:59:52,019 INFO L158 Benchmark]: Toolchain (without parser) took 61643.93ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.8MB in the beginning and 38.0MB in the end (delta: -4.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:52,020 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 56.6MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:52,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.00ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 28.0MB in the end (delta: 5.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:52,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.98ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 27.8MB in the beginning and 54.9MB in the end (delta: -27.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:52,024 INFO L158 Benchmark]: Boogie Preprocessor took 117.96ms. Allocated memory is still 73.4MB. Free memory was 54.9MB in the beginning and 51.0MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:52,025 INFO L158 Benchmark]: RCFGBuilder took 60626.52ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 38.0MB in the end (delta: 12.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:52,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 56.6MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.00ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 28.0MB in the end (delta: 5.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.98ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 27.8MB in the beginning and 54.9MB in the end (delta: -27.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.96ms. Allocated memory is still 73.4MB. Free memory was 54.9MB in the beginning and 51.0MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 60626.52ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 38.0MB in the end (delta: 12.7MB). Peak memory consumption was 22.3MB. 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 15:59:52,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdf69ac4-9eca-4866-a49a-ca81bff61ac7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable