./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.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_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/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_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/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_bf6f4247-d701-4203-81d4-7696539dbfe3/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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:55,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:55,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:55,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:55,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:55,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:55,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:55,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:55,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:55,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:55,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:55,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:55,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:55,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:55,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:55,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:55,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:55,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:55,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:55,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:55,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:55,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:55,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:55,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:55,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:55,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:55,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:55,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:55,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:55,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:55,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:55,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:55,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:55,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:55,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:55,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:55,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:55,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:55,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:55,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:55,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:55,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:55,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:55,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:55,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:55,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:55,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:55,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:55,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:55,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:55,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:55,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:55,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:55,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:55,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:55,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:55,533 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:55,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:55,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:55,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:55,534 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:55,534 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:55,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:55,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:55,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:55,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:55,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:55,535 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:55,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:55,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:55,536 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_bf6f4247-d701-4203-81d4-7696539dbfe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2021-11-23 15:56:55,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:55,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:55,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:55,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:55,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:55,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2021-11-23 15:56:55,944 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/089b012f9/b2c252c925a74f8781d61024906dd07c/FLAG562b76de3 [2021-11-23 15:56:56,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:56,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2021-11-23 15:56:56,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/089b012f9/b2c252c925a74f8781d61024906dd07c/FLAG562b76de3 [2021-11-23 15:56:56,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/089b012f9/b2c252c925a74f8781d61024906dd07c [2021-11-23 15:56:56,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:56,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:56,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:56,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:56,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:56,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738cb994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:56, skipping insertion in model container [2021-11-23 15:56:56,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:56" (1/1) ... [2021-11-23 15:56:56,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:56,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:57,076 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_bf6f4247-d701-4203-81d4-7696539dbfe3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2021-11-23 15:56:57,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:57,088 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:57,120 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_bf6f4247-d701-4203-81d4-7696539dbfe3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2021-11-23 15:56:57,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:57,136 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:57,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57 WrapperNode [2021-11-23 15:56:57,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:57,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:57,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:57,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:57,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,187 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2021-11-23 15:56:57,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:57,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:57,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:57,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:57,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:57,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:57,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:57,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:57,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:57" (1/1) ... [2021-11-23 15:56:57,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:57,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:57,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:57,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 15:56:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:56:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 15:56:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:57,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:56:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:57,488 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:57,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:57,697 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:57,716 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 15:56:57,722 INFO L158 Benchmark]: Toolchain (without parser) took 915.77ms. Allocated memory is still 102.8MB. Free memory was 63.3MB in the beginning and 59.4MB in the end (delta: 3.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,723 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:57,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.02ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 76.1MB in the end (delta: -13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.98ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,726 INFO L158 Benchmark]: Boogie Preprocessor took 59.02ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,728 INFO L158 Benchmark]: RCFGBuilder took 471.00ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 59.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,732 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 102.8MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.02ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 76.1MB in the end (delta: -13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.98ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.02ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 72.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.00ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 59.4MB in the end (delta: 13.5MB). 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 15:56:57,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/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_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/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_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/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_bf6f4247-d701-4203-81d4-7696539dbfe3/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 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:00,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:00,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:00,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:00,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:00,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:00,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:00,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:00,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:00,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:00,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:00,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:00,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:00,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:00,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:00,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:00,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:00,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:00,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:00,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:00,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:00,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:00,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:00,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:00,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:00,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:00,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:00,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:00,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:00,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:00,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:00,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:00,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:00,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:00,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:00,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:00,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:00,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:00,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:00,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:00,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:00,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:00,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:00,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:00,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:00,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:00,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:00,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:00,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:00,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:00,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:00,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:00,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:00,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:00,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:00,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:00,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:00,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:00,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:00,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:00,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:00,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:00,640 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:00,640 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:00,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:00,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:00,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:00,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:00,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:00,642 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:00,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:00,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:00,643 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:00,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:00,643 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_bf6f4247-d701-4203-81d4-7696539dbfe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e916ae9c48effac9b6c4a1d1191ee8fa3cb5babfe7e8bb0aead8328ceda8c4a [2021-11-23 15:57:01,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:01,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:01,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:01,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:01,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:01,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2021-11-23 15:57:01,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/644aca0d9/737551e599a947319a20c8b92bf8f7d6/FLAG72483c2ef [2021-11-23 15:57:01,778 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:01,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2021-11-23 15:57:01,789 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/644aca0d9/737551e599a947319a20c8b92bf8f7d6/FLAG72483c2ef [2021-11-23 15:57:01,812 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/data/644aca0d9/737551e599a947319a20c8b92bf8f7d6 [2021-11-23 15:57:01,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:01,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:01,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:01,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:01,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:01,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:01" (1/1) ... [2021-11-23 15:57:01,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a56a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:01, skipping insertion in model container [2021-11-23 15:57:01,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:01" (1/1) ... [2021-11-23 15:57:01,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:01,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:02,187 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_bf6f4247-d701-4203-81d4-7696539dbfe3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2021-11-23 15:57:02,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:02,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:02,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c[2259,2272] [2021-11-23 15:57:02,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:02,322 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:02,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02 WrapperNode [2021-11-23 15:57:02,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:02,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:02,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:02,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:02,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,406 INFO L137 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2021-11-23 15:57:02,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:02,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:02,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:02,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:02,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:02,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:02,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:02,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:02,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:02,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:02,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:02,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 15:57:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 15:57:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:57:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:57:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:02,655 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:02,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:04,558 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:04,576 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 15:57:04,587 INFO L158 Benchmark]: Toolchain (without parser) took 2767.08ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 34.7MB in the beginning and 56.3MB in the end (delta: -21.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,588 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:04,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.48ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 37.5MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.91ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 35.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,591 INFO L158 Benchmark]: Boogie Preprocessor took 70.60ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 34.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,592 INFO L158 Benchmark]: RCFGBuilder took 2104.83ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 33.9MB in the beginning and 56.3MB in the end (delta: -22.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:04,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.48ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 37.5MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.91ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 35.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.60ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 34.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2104.83ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 33.9MB in the beginning and 56.3MB in the end (delta: -22.4MB). Peak memory consumption was 14.4MB. 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 15:57:04,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6f4247-d701-4203-81d4-7696539dbfe3/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