./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci05.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_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/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_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/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_67722597-28bf-4ff5-9338-23cdf00813e4/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 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:49,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:49,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:49,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:49,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:49,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:49,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:49,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:49,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:49,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:49,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:49,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:49,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:49,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:49,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:49,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:49,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:49,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:49,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:49,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:49,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:49,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:49,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:49,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:49,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:49,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:49,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:49,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:49,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:49,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:49,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:49,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:49,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:49,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:49,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:49,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:49,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:49,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:49,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:49,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:49,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:49,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:49,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:49,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:49,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:49,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:49,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:49,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:49,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:49,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:49,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:49,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:49,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:49,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:49,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:49,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:49,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:49,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:49,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:49,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:49,924 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:49,925 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:49,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:49,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:49,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:49,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:49,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:49,926 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:49,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:49,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:49,927 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_67722597-28bf-4ff5-9338-23cdf00813e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd [2021-11-23 15:57:50,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:50,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:50,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:50,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:50,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:50,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive/Fibonacci05.c [2021-11-23 15:57:50,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/38759bd7b/4e0c53147b16461f90f4c83c067374c2/FLAG23ce440c7 [2021-11-23 15:57:50,723 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:50,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/sv-benchmarks/c/recursive/Fibonacci05.c [2021-11-23 15:57:50,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/38759bd7b/4e0c53147b16461f90f4c83c067374c2/FLAG23ce440c7 [2021-11-23 15:57:51,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/38759bd7b/4e0c53147b16461f90f4c83c067374c2 [2021-11-23 15:57:51,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:51,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:51,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:51,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:51,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e662991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51, skipping insertion in model container [2021-11-23 15:57:51,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:51,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:51,294 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_67722597-28bf-4ff5-9338-23cdf00813e4/sv-benchmarks/c/recursive/Fibonacci05.c[746,759] [2021-11-23 15:57:51,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,322 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:51,334 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_67722597-28bf-4ff5-9338-23cdf00813e4/sv-benchmarks/c/recursive/Fibonacci05.c[746,759] [2021-11-23 15:57:51,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,346 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:51,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51 WrapperNode [2021-11-23 15:57:51,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:51,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:51,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,387 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-23 15:57:51,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:51,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:51,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:51,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:51,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:51,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:51,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:51,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:51,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-11-23 15:57:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-11-23 15:57:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:51,569 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:51,571 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:51,708 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:51,719 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:51,720 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:57:51,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:51 BoogieIcfgContainer [2021-11-23 15:57:51,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:51,723 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:51,723 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:51,734 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:51,734 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:57:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 15:57:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 15:57:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:57:51,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:51,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:51,863 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:57:51,866 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:51,870 INFO L158 Benchmark]: Toolchain (without parser) took 766.48ms. Allocated memory is still 98.6MB. Free memory was 58.8MB in the beginning and 55.0MB in the end (delta: 3.7MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,871 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:51,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.55ms. Allocated memory is still 98.6MB. Free memory was 58.6MB in the beginning and 73.5MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.89ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 72.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,874 INFO L158 Benchmark]: Boogie Preprocessor took 28.33ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 71.3MB in the end (delta: 879.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:51,875 INFO L158 Benchmark]: RCFGBuilder took 305.15ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 62.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,875 INFO L158 Benchmark]: CodeCheck took 145.20ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 55.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,879 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 0.31ms. Allocated memory is still 98.6MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.55ms. Allocated memory is still 98.6MB. Free memory was 58.6MB in the beginning and 73.5MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.89ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 72.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.33ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 71.3MB in the end (delta: 879.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.15ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 62.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 145.20ms. Allocated memory is still 98.6MB. Free memory was 61.8MB in the beginning and 55.0MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:51,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/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_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/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_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/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_67722597-28bf-4ff5-9338-23cdf00813e4/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 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:54,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:54,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:54,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:54,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:54,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:54,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:54,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:54,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:54,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:54,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:54,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:54,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:54,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:54,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:54,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:54,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:54,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:54,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:54,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:54,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:54,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:54,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:54,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:54,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:54,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:54,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:54,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:54,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:54,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:54,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:54,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:54,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:54,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:54,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:54,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:54,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:54,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:54,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:54,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:54,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:54,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:54,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:54,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:54,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:54,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:54,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:54,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:54,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:54,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:54,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:54,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:54,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:54,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:54,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:54,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:54,517 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:54,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:54,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:54,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:54,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:54,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:54,518 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:54,518 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:54,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:54,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:54,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:54,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:54,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:54,520 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:54,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:54,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:54,520 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:54,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:54,521 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_67722597-28bf-4ff5-9338-23cdf00813e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd [2021-11-23 15:57:54,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:54,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:54,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:54,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:54,954 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:54,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive/Fibonacci05.c [2021-11-23 15:57:55,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/692ff196c/055f4ec82d1b4781ab1b2f169fcf3e18/FLAGfd1a305bd [2021-11-23 15:57:55,522 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:55,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/sv-benchmarks/c/recursive/Fibonacci05.c [2021-11-23 15:57:55,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/692ff196c/055f4ec82d1b4781ab1b2f169fcf3e18/FLAGfd1a305bd [2021-11-23 15:57:55,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/data/692ff196c/055f4ec82d1b4781ab1b2f169fcf3e18 [2021-11-23 15:57:55,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:55,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:55,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:55,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:55,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:55,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:55" (1/1) ... [2021-11-23 15:57:55,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaa2616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:55, skipping insertion in model container [2021-11-23 15:57:55,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:55" (1/1) ... [2021-11-23 15:57:55,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:55,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:56,140 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_67722597-28bf-4ff5-9338-23cdf00813e4/sv-benchmarks/c/recursive/Fibonacci05.c[746,759] [2021-11-23 15:57:56,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:56,164 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:56,178 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_67722597-28bf-4ff5-9338-23cdf00813e4/sv-benchmarks/c/recursive/Fibonacci05.c[746,759] [2021-11-23 15:57:56,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:56,203 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:56,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56 WrapperNode [2021-11-23 15:57:56,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:56,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:56,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:56,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:56,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,243 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:57:56,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:56,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:56,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:56,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:56,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:56,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:56,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:56,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:56,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:56,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:56,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-11-23 15:57:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-11-23 15:57:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:56,452 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:56,453 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:56,587 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:56,601 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:56,602 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:57:56,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:56 BoogieIcfgContainer [2021-11-23 15:57:56,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:56,605 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:56,605 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:56,615 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:56,615 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:57:56,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:57:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-23 15:57:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-23 15:57:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:57:56,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:57:56,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:57:56,730 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:56,734 INFO L158 Benchmark]: Toolchain (without parser) took 828.99ms. Allocated memory is still 71.3MB. Free memory was 53.2MB in the beginning and 38.2MB in the end (delta: 15.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,735 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:56,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.89ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 55.7MB in the end (delta: -2.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.95ms. Allocated memory is still 71.3MB. Free memory was 55.7MB in the beginning and 54.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,737 INFO L158 Benchmark]: Boogie Preprocessor took 36.95ms. Allocated memory is still 71.3MB. Free memory was 54.3MB in the beginning and 53.4MB in the end (delta: 912.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:56,738 INFO L158 Benchmark]: RCFGBuilder took 321.06ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 44.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,739 INFO L158 Benchmark]: CodeCheck took 127.03ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 38.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,742 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 0.30ms. Allocated memory is still 71.3MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.89ms. Allocated memory is still 71.3MB. Free memory was 53.0MB in the beginning and 55.7MB in the end (delta: -2.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.95ms. Allocated memory is still 71.3MB. Free memory was 55.7MB in the beginning and 54.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.95ms. Allocated memory is still 71.3MB. Free memory was 54.3MB in the beginning and 53.4MB in the end (delta: 912.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.06ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 44.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 127.03ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 38.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:56,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67722597-28bf-4ff5-9338-23cdf00813e4/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