./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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 e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:28,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:28,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:28,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:28,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:28,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:28,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:28,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:28,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:28,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:28,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:28,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:28,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:28,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:28,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:28,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:28,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:28,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:28,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:28,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:28,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:28,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:28,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:28,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:28,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:28,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:28,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:28,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:28,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:28,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:28,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:28,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:28,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:28,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:28,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:28,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:28,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:28,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:28,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:28,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:28,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:28,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:28,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:28,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:28,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:28,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:28,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:28,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:28,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:28,912 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:28,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:28,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:28,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:28,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:28,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:28,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:28,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:28,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:28,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:28,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:28,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:28,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:28,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:28,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:28,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:28,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:28,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:28,917 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:28,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:28,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:28,918 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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 [2021-11-23 15:55:29,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:29,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:29,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:29,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:29,260 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:29,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2021-11-23 15:55:29,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/9bbdca4c5/2d0dbd37cfab47c0bdd4757a18eb4af8/FLAG04d149e73 [2021-11-23 15:55:29,794 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:29,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2021-11-23 15:55:29,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/9bbdca4c5/2d0dbd37cfab47c0bdd4757a18eb4af8/FLAG04d149e73 [2021-11-23 15:55:30,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/9bbdca4c5/2d0dbd37cfab47c0bdd4757a18eb4af8 [2021-11-23 15:55:30,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:30,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:30,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:30,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:30,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:30,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284f67e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30, skipping insertion in model container [2021-11-23 15:55:30,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:30,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:30,353 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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c[951,964] [2021-11-23 15:55:30,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:30,366 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:30,392 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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c[951,964] [2021-11-23 15:55:30,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:30,406 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:30,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30 WrapperNode [2021-11-23 15:55:30,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:30,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:30,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:30,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:30,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,440 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:55:30,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:30,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:30,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:30,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:30,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:30,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:30,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:30,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:30,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:30,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:30,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:30,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:30,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:55:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:55:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:55:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:55:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:30,601 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:30,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:30,712 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:30,727 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:55:30,727 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:55:30,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:30 BoogieIcfgContainer [2021-11-23 15:55:30,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:55:30,731 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:55:30,732 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:55:30,744 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:55:30,744 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:55:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 15:55:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 15:55:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:55:30,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:30,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:30,891 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:55:30,896 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:30,901 INFO L158 Benchmark]: Toolchain (without parser) took 733.91ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 47.4MB in the beginning and 70.4MB in the end (delta: -23.0MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,901 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:30,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.26ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 47.2MB in the beginning and 89.3MB in the end (delta: -42.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.74ms. Allocated memory is still 111.1MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,905 INFO L158 Benchmark]: Boogie Preprocessor took 19.46ms. Allocated memory is still 111.1MB. Free memory was 88.0MB in the beginning and 87.2MB in the end (delta: 815.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:30,906 INFO L158 Benchmark]: RCFGBuilder took 269.14ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 77.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,907 INFO L158 Benchmark]: CodeCheck took 167.37ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 70.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,913 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 0.22ms. Allocated memory is still 86.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.26ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 47.2MB in the beginning and 89.3MB in the end (delta: -42.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.74ms. Allocated memory is still 111.1MB. Free memory was 89.3MB in the beginning and 88.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.46ms. Allocated memory is still 111.1MB. Free memory was 88.0MB in the beginning and 87.2MB in the end (delta: 815.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 269.14ms. Allocated memory is still 111.1MB. Free memory was 87.2MB in the beginning and 77.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 167.37ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 70.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:30,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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 e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:33,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:33,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:33,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:33,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:33,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:33,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:33,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:33,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:33,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:33,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:33,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:33,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:33,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:33,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:33,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:33,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:33,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:33,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:33,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:33,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:33,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:33,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:33,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:33,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:33,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:33,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:33,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:33,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:33,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:33,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:33,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:33,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:33,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:33,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:33,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:33,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:33,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:33,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:33,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:33,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:33,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:33,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:33,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:33,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:33,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:33,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:33,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:33,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:33,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:33,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:33,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:33,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:33,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:33,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:33,585 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:33,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:33,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:33,586 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:33,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:33,586 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:33,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:33,587 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:33,587 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:33,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:33,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:33,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:33,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:33,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:33,588 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:33,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:33,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:33,589 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:33,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:33,589 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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9f62e9366253d4fa7ecb8459a59d71535ca8498509abd809bca70a443281519 [2021-11-23 15:55:34,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:34,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:34,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:34,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:34,062 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:34,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2021-11-23 15:55:34,142 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/ee85e9f9b/1a91513aee2147eeb87d6a14069b6e1d/FLAGd6d64eb49 [2021-11-23 15:55:34,777 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:34,777 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c [2021-11-23 15:55:34,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/ee85e9f9b/1a91513aee2147eeb87d6a14069b6e1d/FLAGd6d64eb49 [2021-11-23 15:55:35,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/data/ee85e9f9b/1a91513aee2147eeb87d6a14069b6e1d [2021-11-23 15:55:35,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:35,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:35,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:35,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:35,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:35,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60064bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35, skipping insertion in model container [2021-11-23 15:55:35,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:35,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:35,339 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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c[951,964] [2021-11-23 15:55:35,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:35,356 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:35,374 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_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/sv-benchmarks/c/recursive-simple/fibo_2calls_20-2.c[951,964] [2021-11-23 15:55:35,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:35,389 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:35,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35 WrapperNode [2021-11-23 15:55:35,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:35,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:35,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:35,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:35,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,464 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:55:35,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:35,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:35,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:35,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:35,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:35,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:35,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:35,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:35,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:35,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:35,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:35,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:55:35,598 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:55:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:55:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:55:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:35,684 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:35,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:35,875 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:35,889 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:55:35,889 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:55:35,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:35 BoogieIcfgContainer [2021-11-23 15:55:35,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:55:35,907 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:55:35,908 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:55:35,918 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:55:35,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:55:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:55:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 15:55:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 15:55:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:55:36,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:55:36,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:55:36,108 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:36,117 INFO L158 Benchmark]: Toolchain (without parser) took 987.55ms. Allocated memory is still 71.3MB. Free memory was 53.6MB in the beginning and 38.9MB in the end (delta: 14.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,118 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:36,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.68ms. Allocated memory is still 71.3MB. Free memory was 53.4MB in the beginning and 43.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.36ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 55.5MB in the end (delta: -12.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,124 INFO L158 Benchmark]: Boogie Preprocessor took 44.45ms. Allocated memory is still 71.3MB. Free memory was 55.5MB in the beginning and 54.7MB in the end (delta: 797.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:36,125 INFO L158 Benchmark]: RCFGBuilder took 396.15ms. Allocated memory is still 71.3MB. Free memory was 54.4MB in the beginning and 45.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,126 INFO L158 Benchmark]: CodeCheck took 205.52ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 38.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,137 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 0.24ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.68ms. Allocated memory is still 71.3MB. Free memory was 53.4MB in the beginning and 43.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.36ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 55.5MB in the end (delta: -12.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.45ms. Allocated memory is still 71.3MB. Free memory was 55.5MB in the beginning and 54.7MB in the end (delta: 797.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.15ms. Allocated memory is still 71.3MB. Free memory was 54.4MB in the beginning and 45.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 205.52ms. Allocated memory is still 71.3MB. Free memory was 45.2MB in the beginning and 38.9MB 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 15:55:36,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690fd2f-174b-42de-9cdd-dd6d22cb45c0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared