./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci01-1.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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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 6b0570f2e0d80d68bc280040cce27f654b3fe7a2c0bad30f9bb811af9ca3d994 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:44,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:44,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:44,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:44,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:44,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:44,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:44,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:45,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:45,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:45,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:45,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:45,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:45,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:45,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:45,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:45,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:45,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:45,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:45,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:45,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:45,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:45,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:45,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:45,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:45,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:45,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:45,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:45,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:45,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:45,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:45,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:45,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:45,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:45,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:45,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:45,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:45,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:45,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:45,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:45,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:45,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:45,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:45,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:45,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:45,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:45,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:45,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:45,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:45,108 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:45,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:45,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:45,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:45,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:45,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:45,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:45,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:45,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:45,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:45,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:45,112 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:45,112 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:45,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:45,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:45,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:45,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:45,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:45,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:45,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:45,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:45,115 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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0570f2e0d80d68bc280040cce27f654b3fe7a2c0bad30f9bb811af9ca3d994 [2021-11-23 15:57:45,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:45,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:45,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:45,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:45,508 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:45,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive/Fibonacci01-1.c [2021-11-23 15:57:45,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/5eefcdec3/6415b003468b4ac9aea6672752db4861/FLAGc38a35339 [2021-11-23 15:57:46,037 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:46,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/sv-benchmarks/c/recursive/Fibonacci01-1.c [2021-11-23 15:57:46,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/5eefcdec3/6415b003468b4ac9aea6672752db4861/FLAGc38a35339 [2021-11-23 15:57:46,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/5eefcdec3/6415b003468b4ac9aea6672752db4861 [2021-11-23 15:57:46,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:46,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:46,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:46,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:46,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:46,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6ea030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46, skipping insertion in model container [2021-11-23 15:57:46,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:46,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:46,678 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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/sv-benchmarks/c/recursive/Fibonacci01-1.c[804,817] [2021-11-23 15:57:46,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:46,691 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:46,709 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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/sv-benchmarks/c/recursive/Fibonacci01-1.c[804,817] [2021-11-23 15:57:46,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:46,725 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:46,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46 WrapperNode [2021-11-23 15:57:46,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:46,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:46,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:46,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:46,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,761 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-23 15:57:46,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:46,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:46,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:46,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:46,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:46,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:46,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:46,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:46,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:46,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:46,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:46,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-11-23 15:57:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-11-23 15:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:46,942 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:46,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:47,089 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:47,102 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:47,102 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:57:47,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:47 BoogieIcfgContainer [2021-11-23 15:57:47,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:47,106 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:47,106 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:47,115 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:47,116 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:57:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 15:57:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 15:57:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:57:47,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:47,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:47,262 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:57:47,266 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 15:57:47,274 INFO L158 Benchmark]: Toolchain (without parser) took 856.75ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 75.2MB in the end (delta: -20.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,275 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:47,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.17ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 54.0MB in the beginning and 93.7MB in the end (delta: -39.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.59ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 92.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,283 INFO L158 Benchmark]: Boogie Preprocessor took 17.16ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 91.6MB in the end (delta: 757.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:47,284 INFO L158 Benchmark]: RCFGBuilder took 324.27ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 81.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,285 INFO L158 Benchmark]: CodeCheck took 163.61ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 75.2MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,298 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 0.21ms. Allocated memory is still 90.2MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.17ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 54.0MB in the beginning and 93.7MB in the end (delta: -39.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.59ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 92.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.16ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 91.6MB in the end (delta: 757.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.27ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 81.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 163.61ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 75.2MB in the end (delta: 6.6MB). 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 15:57:47,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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 6b0570f2e0d80d68bc280040cce27f654b3fe7a2c0bad30f9bb811af9ca3d994 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:49,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:49,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:49,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:49,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:49,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:49,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:49,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:49,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:49,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:49,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:49,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:49,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:49,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:49,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:49,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:49,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:49,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:49,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:49,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:49,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:49,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:49,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:49,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:50,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:50,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:50,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:50,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:50,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:50,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:50,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:50,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:50,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:50,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:50,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:50,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:50,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:50,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:50,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:50,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:50,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:50,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:50,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:50,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:50,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:50,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:50,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:50,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:50,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:50,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:50,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:50,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:50,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:50,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:50,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:50,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:50,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:50,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:50,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:50,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:50,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:50,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:50,087 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:50,087 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:50,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:50,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:50,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:50,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:50,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:50,088 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:50,090 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:50,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:50,091 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:50,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:50,091 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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b0570f2e0d80d68bc280040cce27f654b3fe7a2c0bad30f9bb811af9ca3d994 [2021-11-23 15:57:50,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:50,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:50,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:50,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:50,559 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:50,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive/Fibonacci01-1.c [2021-11-23 15:57:50,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/6fa7bed52/8e7438ea6ada46938c89eb39edd5129f/FLAG16557af6e [2021-11-23 15:57:51,240 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:51,241 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/sv-benchmarks/c/recursive/Fibonacci01-1.c [2021-11-23 15:57:51,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/6fa7bed52/8e7438ea6ada46938c89eb39edd5129f/FLAG16557af6e [2021-11-23 15:57:51,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/data/6fa7bed52/8e7438ea6ada46938c89eb39edd5129f [2021-11-23 15:57:51,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:51,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:51,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:51,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:51,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9c65a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51, skipping insertion in model container [2021-11-23 15:57:51,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:51,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:51,761 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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/sv-benchmarks/c/recursive/Fibonacci01-1.c[804,817] [2021-11-23 15:57:51,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,774 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:51,789 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_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/sv-benchmarks/c/recursive/Fibonacci01-1.c[804,817] [2021-11-23 15:57:51,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,803 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:51,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51 WrapperNode [2021-11-23 15:57:51,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:51,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:51,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,843 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2021-11-23 15:57:51,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:51,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:51,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:51,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:51,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:51,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:51,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:51,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:51,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-11-23 15:57:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-11-23 15:57:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:52,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:52,079 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:52,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:52,211 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:52,223 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:52,225 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:57:52,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:52 BoogieIcfgContainer [2021-11-23 15:57:52,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:52,241 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:52,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:52,255 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:52,256 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:57:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:52,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 15:57:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 15:57:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:57:52,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:52,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:52,410 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 15:57:52,418 INFO L158 Benchmark]: Toolchain (without parser) took 833.80ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 34.8MB in the end (delta: 12.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,419 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:52,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.93ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 37.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.38ms. Allocated memory is still 67.1MB. Free memory was 37.4MB in the beginning and 51.0MB in the end (delta: -13.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,424 INFO L158 Benchmark]: Boogie Preprocessor took 52.33ms. Allocated memory is still 67.1MB. Free memory was 51.0MB in the beginning and 49.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,425 INFO L158 Benchmark]: RCFGBuilder took 342.44ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 41.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,426 INFO L158 Benchmark]: CodeCheck took 173.96ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 34.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,435 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 0.32ms. Allocated memory is still 67.1MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.93ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 37.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.38ms. Allocated memory is still 67.1MB. Free memory was 37.4MB in the beginning and 51.0MB in the end (delta: -13.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.33ms. Allocated memory is still 67.1MB. Free memory was 51.0MB in the beginning and 49.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.44ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 41.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 173.96ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 34.8MB in the end (delta: 6.3MB). 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 15:57:52,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef3ca08-f856-492d-a0a9-7d1b224fbf8e/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