./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_5-1.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_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/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_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/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_05bee33f-c1a3-4411-97cf-b418a8c100c7/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 2199d5dae92fc703178378f6dd7dec10a5f129181c51bc9a88c002f6d4f76a67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:29,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:29,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:29,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:29,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:29,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:29,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:29,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:29,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:29,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:29,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:29,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:29,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:29,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:29,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:29,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:29,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:29,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:29,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:29,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:29,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:29,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:29,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:29,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:29,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:29,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:29,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:29,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:29,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:29,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:29,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:29,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:29,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:29,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:29,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:29,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:29,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:29,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:29,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:29,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:29,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:29,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:29,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:29,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:29,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:29,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:29,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:29,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:29,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:29,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:29,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:29,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:29,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:29,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:29,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:29,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:29,471 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:29,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:29,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:29,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:29,472 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:29,472 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:29,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:29,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:29,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:29,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:29,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:29,474 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:29,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:29,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:29,474 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_05bee33f-c1a3-4411-97cf-b418a8c100c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2199d5dae92fc703178378f6dd7dec10a5f129181c51bc9a88c002f6d4f76a67 [2021-11-23 15:55:29,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:29,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:29,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:29,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:29,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:29,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_5-1.c [2021-11-23 15:55:29,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/219483508/15d810d000d843418de660c236292fda/FLAG550ea752e [2021-11-23 15:55:30,260 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:30,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/sv-benchmarks/c/recursive-simple/fibo_5-1.c [2021-11-23 15:55:30,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/219483508/15d810d000d843418de660c236292fda/FLAG550ea752e [2021-11-23 15:55:30,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/219483508/15d810d000d843418de660c236292fda [2021-11-23 15:55:30,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:30,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:30,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:30,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:30,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:30,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4aa0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30, skipping insertion in model container [2021-11-23 15:55:30,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:30,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:30,885 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_05bee33f-c1a3-4411-97cf-b418a8c100c7/sv-benchmarks/c/recursive-simple/fibo_5-1.c[740,753] [2021-11-23 15:55:30,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:30,902 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:30,918 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_05bee33f-c1a3-4411-97cf-b418a8c100c7/sv-benchmarks/c/recursive-simple/fibo_5-1.c[740,753] [2021-11-23 15:55:30,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:30,929 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:30,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30 WrapperNode [2021-11-23 15:55:30,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:30,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:30,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:30,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:30,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,974 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:55:30,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:30,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:30,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:30,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:30,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:31,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:31,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:31,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:31,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:31,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:31,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:31,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:31,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:31,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:31,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:31,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:31,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:31,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:31,114 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-11-23 15:55:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-11-23 15:55:31,181 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:31,183 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:31,328 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:31,340 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:55:31,341 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:55:31,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:31 BoogieIcfgContainer [2021-11-23 15:55:31,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:55:31,345 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:55:31,345 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:55:31,356 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:55:31,356 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:55:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 15:55:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 15:55:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:55:31,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:31,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:31,484 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:55:31,488 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:55:31,495 INFO L158 Benchmark]: Toolchain (without parser) took 813.94ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 40.2MB in the beginning and 54.2MB in the end (delta: -13.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,496 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:31,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.35ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 40.0MB in the beginning and 72.4MB in the end (delta: -32.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.97ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 70.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,499 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 69.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:31,500 INFO L158 Benchmark]: RCFGBuilder took 331.54ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 61.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,501 INFO L158 Benchmark]: CodeCheck took 148.14ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 54.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory was 56.6MB in the beginning and 56.6MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.35ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 40.0MB in the beginning and 72.4MB in the end (delta: -32.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.97ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 70.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 69.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.54ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 61.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 148.14ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 54.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:31,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/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 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_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/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_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/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_05bee33f-c1a3-4411-97cf-b418a8c100c7/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 2199d5dae92fc703178378f6dd7dec10a5f129181c51bc9a88c002f6d4f76a67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:33,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:33,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:34,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:34,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:34,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:34,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:34,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:34,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:34,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:34,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:34,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:34,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:34,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:34,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:34,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:34,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:34,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:34,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:34,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:34,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:34,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:34,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:34,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:34,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:34,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:34,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:34,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:34,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:34,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:34,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:34,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:34,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:34,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:34,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:34,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:34,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:34,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:34,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:34,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:34,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:34,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:34,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:34,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:34,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:34,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:34,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:34,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:34,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:34,174 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:34,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:34,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:34,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:34,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:34,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:34,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:34,176 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:34,176 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:34,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:34,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:34,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:34,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:34,177 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:34,177 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:34,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:34,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:34,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:34,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:34,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:34,180 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:34,181 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:34,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:34,181 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:34,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:34,182 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_05bee33f-c1a3-4411-97cf-b418a8c100c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2199d5dae92fc703178378f6dd7dec10a5f129181c51bc9a88c002f6d4f76a67 [2021-11-23 15:55:34,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:34,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:34,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:34,608 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:34,608 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:34,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_5-1.c [2021-11-23 15:55:34,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/c4134c368/6e4c50d797124c8580e6abe3be7ffe4e/FLAG79acea58d [2021-11-23 15:55:35,176 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:35,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/sv-benchmarks/c/recursive-simple/fibo_5-1.c [2021-11-23 15:55:35,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/c4134c368/6e4c50d797124c8580e6abe3be7ffe4e/FLAG79acea58d [2021-11-23 15:55:35,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/data/c4134c368/6e4c50d797124c8580e6abe3be7ffe4e [2021-11-23 15:55:35,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:35,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:35,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:35,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:35,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:35,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0add1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35, skipping insertion in model container [2021-11-23 15:55:35,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:35,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:35,757 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_05bee33f-c1a3-4411-97cf-b418a8c100c7/sv-benchmarks/c/recursive-simple/fibo_5-1.c[740,753] [2021-11-23 15:55:35,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:35,772 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:35,786 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_05bee33f-c1a3-4411-97cf-b418a8c100c7/sv-benchmarks/c/recursive-simple/fibo_5-1.c[740,753] [2021-11-23 15:55:35,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:35,802 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:35,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35 WrapperNode [2021-11-23 15:55:35,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:35,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:35,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:35,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:35,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,856 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:55:35,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:35,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:35,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:35,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:35,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:35,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:35,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:35,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:35,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:35,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:35,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-11-23 15:55:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-11-23 15:55:36,068 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:36,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:36,212 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:36,224 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:55:36,225 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:55:36,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:36 BoogieIcfgContainer [2021-11-23 15:55:36,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:55:36,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:55:36,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:55:36,239 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:55:36,240 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:55:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-23 15:55:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-23 15:55:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:55:36,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:36,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:36,359 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:55:36,364 INFO L158 Benchmark]: Toolchain (without parser) took 805.49ms. Allocated memory is still 58.7MB. Free memory was 37.1MB in the beginning and 26.9MB in the end (delta: 10.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,364 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:36,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.07ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 27.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.34ms. Allocated memory is still 58.7MB. Free memory was 27.1MB in the beginning and 42.8MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,367 INFO L158 Benchmark]: Boogie Preprocessor took 32.23ms. Allocated memory is still 58.7MB. Free memory was 42.8MB in the beginning and 41.8MB in the end (delta: 991.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:36,368 INFO L158 Benchmark]: RCFGBuilder took 328.64ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 33.2MB in the end (delta: 8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,369 INFO L158 Benchmark]: CodeCheck took 132.87ms. Allocated memory is still 58.7MB. Free memory was 33.0MB in the beginning and 26.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.07ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 27.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.34ms. Allocated memory is still 58.7MB. Free memory was 27.1MB in the beginning and 42.8MB in the end (delta: -15.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.23ms. Allocated memory is still 58.7MB. Free memory was 42.8MB in the beginning and 41.8MB in the end (delta: 991.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.64ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 33.2MB in the end (delta: 8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 132.87ms. Allocated memory is still 58.7MB. Free memory was 33.0MB in the beginning and 26.9MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:36,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05bee33f-c1a3-4411-97cf-b418a8c100c7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared