./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e --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 8d19306ce3d42a6a85ce0e73aaa2bade9eaab24620b40f9180d62be222dc7b30 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:57:30,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:57:30,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:57:30,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:57:30,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:57:30,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:57:30,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:57:30,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:57:30,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:57:30,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:57:30,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:57:30,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:57:30,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:57:30,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:57:30,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:57:30,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:57:30,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:57:30,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:57:30,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:57:30,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:57:30,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:57:30,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:57:30,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:57:30,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:57:30,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:57:30,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:57:30,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:57:30,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:57:30,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:57:30,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:57:30,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:57:30,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:57:30,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:57:30,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:57:30,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:57:30,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:57:30,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:57:30,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:57:30,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:57:30,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:57:30,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:57:30,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:57:30,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:57:30,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:57:30,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:57:30,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:57:30,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:57:30,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:57:30,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:57:30,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:57:30,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:57:30,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:57:30,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:57:30,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:57:30,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:57:30,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:57:30,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:57:30,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:57:30,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:57:30,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:57:30,220 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:57:30,220 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:57:30,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:57:30,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:30,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:57:30,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:57:30,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:57:30,222 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:57:30,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:57:30,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:57:30,223 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_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d19306ce3d42a6a85ce0e73aaa2bade9eaab24620b40f9180d62be222dc7b30 [2021-11-13 21:57:30,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:57:30,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:57:30,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:57:30,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:57:30,623 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:57:30,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/recursive/Fibonacci04.c [2021-11-13 21:57:30,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/27a4359b6/532284477e204ce697c76671f9e46407/FLAGe7bdbab05 [2021-11-13 21:57:31,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:57:31,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/sv-benchmarks/c/recursive/Fibonacci04.c [2021-11-13 21:57:31,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/27a4359b6/532284477e204ce697c76671f9e46407/FLAGe7bdbab05 [2021-11-13 21:57:31,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/27a4359b6/532284477e204ce697c76671f9e46407 [2021-11-13 21:57:31,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:57:31,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:57:31,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:31,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:57:31,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:57:31,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:31" (1/1) ... [2021-11-13 21:57:31,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9fd3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:31, skipping insertion in model container [2021-11-13 21:57:31,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:31" (1/1) ... [2021-11-13 21:57:31,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:57:31,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:57:31,970 WARN L228 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_46c11a88-41d7-4c11-b26f-55987ab6c157/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-11-13 21:57:31,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:31,984 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:57:32,002 WARN L228 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_46c11a88-41d7-4c11-b26f-55987ab6c157/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-11-13 21:57:32,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:32,019 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:57:32,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32 WrapperNode [2021-11-13 21:57:32,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:32,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:32,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:57:32,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:57:32,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:32,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:57:32,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:57:32,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:57:32,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:57:32,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:57:32,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:57:32,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:57:32,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:32,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:57:32,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:57:32,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:57:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-11-13 21:57:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-11-13 21:57:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:57:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:57:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:57:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:57:32,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:57:32,414 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:57:32,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:32 BoogieIcfgContainer [2021-11-13 21:57:32,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:57:32,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:57:32,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:57:32,432 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:57:32,432 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:32" (1/1) ... [2021-11-13 21:57:32,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:57:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-13 21:57:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-13 21:57:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:57:32,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:32,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-13 21:57:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-13 21:57:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:57:32,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:32,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:57:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-11-13 21:57:33,254 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-11-13 21:57:33,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:57:33,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:33,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 21:57:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 34 transitions. [2021-11-13 21:57:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-13 21:57:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:57:33,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:33,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 21:57:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 49 transitions. [2021-11-13 21:57:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2021-11-13 21:57:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 21:57:34,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:34,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 21:57:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 56 transitions. [2021-11-13 21:57:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2021-11-13 21:57:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 21:57:34,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:34,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 21:57:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 74 transitions. [2021-11-13 21:57:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2021-11-13 21:57:35,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:57:35,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:35,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-13 21:57:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:36,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 73 transitions. [2021-11-13 21:57:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2021-11-13 21:57:36,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 21:57:36,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:36,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-13 21:57:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 93 transitions. [2021-11-13 21:57:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-13 21:57:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 21:57:36,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:36,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 118 proven. 34 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-11-13 21:57:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 49 states and 92 transitions. [2021-11-13 21:57:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2021-11-13 21:57:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:57:37,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:37,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:57:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 145 proven. 154 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2021-11-13 21:57:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 53 states and 75 transitions. [2021-11-13 21:57:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-11-13 21:57:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:57:38,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:38,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:57:38,505 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 21:57:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:57:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:57:38,656 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 21:57:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:57:38,755 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2021-11-13 21:57:38,807 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportCounterexampleResult(CodeCheckObserver.java:763) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:524) 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) [2021-11-13 21:57:38,812 INFO L158 Benchmark]: Toolchain (without parser) took 7117.19ms. Allocated memory was 90.2MB in the beginning and 148.9MB in the end (delta: 58.7MB). Free memory was 53.6MB in the beginning and 77.6MB in the end (delta: -24.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-13 21:57:38,813 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:57:38,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.59ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 53.4MB in the beginning and 95.8MB in the end (delta: -42.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-13 21:57:38,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.36ms. Allocated memory is still 119.5MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:57:38,816 INFO L158 Benchmark]: Boogie Preprocessor took 21.43ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 93.5MB in the end (delta: 757.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:57:38,817 INFO L158 Benchmark]: RCFGBuilder took 340.10ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 83.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 21:57:38,819 INFO L158 Benchmark]: CodeCheck took 6391.43ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 83.6MB in the beginning and 77.6MB in the end (delta: 6.0MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-11-13 21:57:38,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 815 SdHoareTripleChecker+Valid, 3418.86ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 744 SdHoareTripleChecker+Invalid, 2742.13ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 520 mSDsCounter, 478 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1533 IncrementalHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 478 mSolverCounterUnsat, 224 mSDtfsCounter, 1533 mSolverCounterSat, 85.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3183 GetRequests, 2955 SyntacticMatches, 116 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5766 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 884 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 1309/1693 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.59ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 53.4MB in the beginning and 95.8MB in the end (delta: -42.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.36ms. Allocated memory is still 119.5MB. Free memory was 95.8MB in the beginning and 94.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.43ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 93.5MB in the end (delta: 757.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.10ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 83.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6391.43ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 83.6MB in the beginning and 77.6MB in the end (delta: 6.0MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 21:57:38,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/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_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e --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 8d19306ce3d42a6a85ce0e73aaa2bade9eaab24620b40f9180d62be222dc7b30 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:57:41,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:57:41,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:57:41,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:57:41,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:57:41,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:57:41,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:57:41,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:57:41,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:57:41,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:57:41,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:57:41,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:57:41,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:57:41,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:57:41,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:57:41,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:57:41,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:57:41,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:57:41,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:57:41,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:57:41,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:57:41,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:57:41,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:57:41,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:57:41,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:57:41,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:57:41,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:57:41,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:57:41,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:57:41,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:57:41,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:57:41,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:57:41,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:57:41,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:57:41,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:57:41,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:57:41,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:57:41,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:57:41,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:57:41,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:57:41,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:57:41,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 21:57:41,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:57:41,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:57:41,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:57:41,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:57:41,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:57:41,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:57:41,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:57:41,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:57:41,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:57:41,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:57:41,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:57:41,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:57:41,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:57:41,642 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 21:57:41,642 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 21:57:41,642 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 21:57:41,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:57:41,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:57:41,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:57:41,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:57:41,644 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:57:41,644 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:57:41,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:57:41,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:41,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:57:41,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:57:41,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:57:41,645 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 21:57:41,655 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 21:57:41,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:57:41,655 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 21:57:41,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 21:57:41,656 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_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d19306ce3d42a6a85ce0e73aaa2bade9eaab24620b40f9180d62be222dc7b30 [2021-11-13 21:57:42,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:57:42,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:57:42,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:57:42,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:57:42,135 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:57:42,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/recursive/Fibonacci04.c [2021-11-13 21:57:42,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/591b69d58/92755ac091ea4fa1be70d087f418a726/FLAG56311ae51 [2021-11-13 21:57:42,736 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:57:42,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/sv-benchmarks/c/recursive/Fibonacci04.c [2021-11-13 21:57:42,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/591b69d58/92755ac091ea4fa1be70d087f418a726/FLAG56311ae51 [2021-11-13 21:57:43,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/data/591b69d58/92755ac091ea4fa1be70d087f418a726 [2021-11-13 21:57:43,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:57:43,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:57:43,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:43,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:57:43,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:57:43,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b18525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43, skipping insertion in model container [2021-11-13 21:57:43,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:57:43,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:57:43,314 WARN L228 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_46c11a88-41d7-4c11-b26f-55987ab6c157/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-11-13 21:57:43,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:43,330 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:57:43,343 WARN L228 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_46c11a88-41d7-4c11-b26f-55987ab6c157/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-11-13 21:57:43,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:57:43,358 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:57:43,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43 WrapperNode [2021-11-13 21:57:43,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:57:43,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:43,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:57:43,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:57:43,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:57:43,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:57:43,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:57:43,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:57:43,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:57:43,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:57:43,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:57:43,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:57:43,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:57:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:57:43,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:57:43,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:57:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-11-13 21:57:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-11-13 21:57:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:57:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:57:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 21:57:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:57:43,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:57:43,948 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:57:43,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:43 BoogieIcfgContainer [2021-11-13 21:57:43,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:57:43,952 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:57:43,952 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:57:43,984 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:57:43,984 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:57:43" (1/1) ... [2021-11-13 21:57:43,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:57:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:57:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-13 21:57:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-13 21:57:44,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:57:44,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:57:44,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:57:44,126 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) [2021-11-13 21:57:44,131 INFO L158 Benchmark]: Toolchain (without parser) took 1053.69ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 35.8MB in the end (delta: 13.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-13 21:57:44,132 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:57:44,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.69ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 39.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 21:57:44,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.22ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 52.6MB in the end (delta: -13.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:57:44,136 INFO L158 Benchmark]: Boogie Preprocessor took 40.65ms. Allocated memory is still 69.2MB. Free memory was 52.6MB in the beginning and 51.6MB in the end (delta: 936.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:57:44,137 INFO L158 Benchmark]: RCFGBuilder took 471.44ms. Allocated memory is still 69.2MB. Free memory was 51.6MB in the beginning and 41.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 21:57:44,139 INFO L158 Benchmark]: CodeCheck took 177.17ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 35.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 21:57:44,145 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 0.28ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.69ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 39.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.22ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 52.6MB in the end (delta: -13.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.65ms. Allocated memory is still 69.2MB. Free memory was 52.6MB in the beginning and 51.6MB in the end (delta: 936.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.44ms. Allocated memory is still 69.2MB. Free memory was 51.6MB in the beginning and 41.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 177.17ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 35.8MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 21:57:44,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c11a88-41d7-4c11-b26f-55987ab6c157/bin/ukojak-2xVlg8857e/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