./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:02,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:02,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:02,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:02,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:02,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:02,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:02,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:02,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:02,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:02,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:02,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:02,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:02,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:02,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:02,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:02,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:02,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:02,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:02,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:02,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:02,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:02,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:02,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:02,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:02,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:02,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:02,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:02,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:02,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:02,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:02,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:02,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:02,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:02,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:02,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:02,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:02,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:02,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:02,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:02,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:02,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:02,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:02,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:02,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:02,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:02,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:02,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:02,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:02,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:02,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:02,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:02,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:02,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:02,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:02,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:02,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:02,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:02,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:02,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:02,524 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:02,524 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:02,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:02,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:02,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:02,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:02,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:02,525 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:02,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:02,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:02,526 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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 [2021-11-23 15:53:02,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:02,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:02,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:02,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:02,893 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:02,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-11-23 15:53:02,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/104eea610/837b535661de4cf6899bf7e8c45c6197/FLAGeea391a7d [2021-11-23 15:53:03,441 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:03,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-11-23 15:53:03,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/104eea610/837b535661de4cf6899bf7e8c45c6197/FLAGeea391a7d [2021-11-23 15:53:03,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/104eea610/837b535661de4cf6899bf7e8c45c6197 [2021-11-23 15:53:03,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:03,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:03,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:03,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:03,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:03,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:03" (1/1) ... [2021-11-23 15:53:03,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2f650f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:03, skipping insertion in model container [2021-11-23 15:53:03,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:03" (1/1) ... [2021-11-23 15:53:03,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:03,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:04,047 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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2021-11-23 15:53:04,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:04,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:04,082 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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2021-11-23 15:53:04,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:04,099 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:04,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04 WrapperNode [2021-11-23 15:53:04,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:04,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:04,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:04,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:04,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,139 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:53:04,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:04,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:04,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:04,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:04,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:04,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:04,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:04,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:04,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:04,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:04,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:04,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:53:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:53:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:53:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:04,346 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:04,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:04,514 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:04,527 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:04,540 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:53:04,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:04 BoogieIcfgContainer [2021-11-23 15:53:04,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:04,545 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:04,545 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:04,567 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:04,567 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:04" (1/1) ... [2021-11-23 15:53:04,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:53:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 15:53:04,636 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 15:53:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:53:04,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:04,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:04,711 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:53:04,715 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 15:53:04,726 INFO L158 Benchmark]: Toolchain (without parser) took 908.05ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 70.4MB in the beginning and 83.3MB in the end (delta: -12.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:04,727 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:04,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.45ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 70.2MB in the beginning and 102.1MB in the end (delta: -31.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:04,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 125.8MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:04,732 INFO L158 Benchmark]: Boogie Preprocessor took 39.47ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 99.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:04,733 INFO L158 Benchmark]: RCFGBuilder took 363.19ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 90.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:04,735 INFO L158 Benchmark]: CodeCheck took 178.32ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 83.3MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:04,744 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 98.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.45ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 70.2MB in the beginning and 102.1MB in the end (delta: -31.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 125.8MB. Free memory was 102.1MB in the beginning and 100.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.47ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 99.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.19ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 90.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 178.32ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 83.3MB in the end (delta: 6.9MB). 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 15:53:04,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:07,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:07,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:07,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:07,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:07,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:07,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:07,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:07,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:07,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:07,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:07,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:07,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:07,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:07,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:07,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:07,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:07,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:07,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:07,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:07,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:07,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:07,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:07,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:07,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:07,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:07,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:07,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:07,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:07,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:07,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:07,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:07,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:07,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:07,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:07,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:07,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:07,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:07,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:07,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:07,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:07,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:07,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:07,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:07,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:07,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:07,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:07,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:07,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:07,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:07,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:07,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:07,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:07,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:07,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:07,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:07,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:07,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:07,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:07,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:07,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:07,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:07,475 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:07,476 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:07,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:07,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:07,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:07,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:07,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:07,477 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:07,477 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:07,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:07,478 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:07,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:07,478 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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a779a25b3e5147f7c14d79ede7be3f2d2de62e2de15b88047fe2a162a63a762 [2021-11-23 15:53:07,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:07,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:07,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:07,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:07,942 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:07,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-11-23 15:53:08,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/4e2bb09d6/43d0a2052d9d4338a9a26c94fe4a1282/FLAG213a2d51e [2021-11-23 15:53:08,613 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:08,615 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c [2021-11-23 15:53:08,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/4e2bb09d6/43d0a2052d9d4338a9a26c94fe4a1282/FLAG213a2d51e [2021-11-23 15:53:08,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/data/4e2bb09d6/43d0a2052d9d4338a9a26c94fe4a1282 [2021-11-23 15:53:08,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:08,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:08,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:08,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:08,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:08,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc08aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08, skipping insertion in model container [2021-11-23 15:53:08,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:09,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:09,148 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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2021-11-23 15:53:09,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:09,165 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:09,190 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_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/sv-benchmarks/c/recursive-simple/fibo_2calls_25-1.c[952,965] [2021-11-23 15:53:09,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:09,209 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:09,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09 WrapperNode [2021-11-23 15:53:09,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:09,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:09,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:09,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:09,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,286 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:53:09,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:09,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:09,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:09,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:09,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:09,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:09,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:09,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:09,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:09,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:09,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:09,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:53:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:53:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:53:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:53:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:09,504 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:09,507 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:09,684 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:09,698 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:09,704 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:53:09,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:09 BoogieIcfgContainer [2021-11-23 15:53:09,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:09,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:09,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:09,718 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:09,719 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:09" (1/1) ... [2021-11-23 15:53:09,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:53:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 15:53:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 15:53:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:53:09,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:09,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:09,919 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 15:53:09,927 INFO L158 Benchmark]: Toolchain (without parser) took 944.50ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 29.4MB in the end (delta: 13.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,928 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:09,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.08ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 32.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.87ms. Allocated memory is still 62.9MB. Free memory was 32.8MB in the beginning and 45.9MB in the end (delta: -13.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,934 INFO L158 Benchmark]: Boogie Preprocessor took 43.16ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 45.0MB in the end (delta: 879.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:09,935 INFO L158 Benchmark]: RCFGBuilder took 375.67ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 35.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,936 INFO L158 Benchmark]: CodeCheck took 215.59ms. Allocated memory is still 62.9MB. Free memory was 35.8MB in the beginning and 29.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,948 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 0.35ms. Allocated memory is still 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.08ms. Allocated memory is still 62.9MB. Free memory was 42.9MB in the beginning and 32.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.87ms. Allocated memory is still 62.9MB. Free memory was 32.8MB in the beginning and 45.9MB in the end (delta: -13.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.16ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 45.0MB in the end (delta: 879.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.67ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 35.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 215.59ms. Allocated memory is still 62.9MB. Free memory was 35.8MB in the beginning and 29.4MB 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 15:53:10,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ccdcf28-f6e8-4cb9-82cc-f8c13f3534d9/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