./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:33,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:33,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:33,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:33,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:33,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:33,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:33,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:33,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:33,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:33,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:33,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:33,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:33,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:33,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:33,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:33,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:33,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:33,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:33,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:33,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:33,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:33,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:33,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:33,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:33,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:33,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:33,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:33,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:33,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:33,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:33,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:33,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:33,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:33,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:33,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:33,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:33,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:33,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:33,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:33,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:33,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:38:33,399 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:33,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:33,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:33,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:33,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:33,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:33,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:33,404 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:33,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:33,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:33,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:33,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:33,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:33,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:33,406 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:33,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:33,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:33,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:33,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:33,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:33,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:33,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:33,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:33,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:33,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:33,409 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:33,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:33,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:33,410 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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 [2021-11-23 15:38:33,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:33,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:33,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:33,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:33,765 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:33,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-11-23 15:38:33,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/f5b70aaf6/7cfc0b1eaf924a9eb4d99f37070a6ed6/FLAG4f8c1efc4 [2021-11-23 15:38:34,351 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:34,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-11-23 15:38:34,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/f5b70aaf6/7cfc0b1eaf924a9eb4d99f37070a6ed6/FLAG4f8c1efc4 [2021-11-23 15:38:34,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/f5b70aaf6/7cfc0b1eaf924a9eb4d99f37070a6ed6 [2021-11-23 15:38:34,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:34,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:34,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:34,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:34,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:34,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6772753c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:34, skipping insertion in model container [2021-11-23 15:38:34,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:34" (1/1) ... [2021-11-23 15:38:34,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:34,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:34,984 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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-11-23 15:38:34,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:35,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:35,030 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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-11-23 15:38:35,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:35,049 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:35,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35 WrapperNode [2021-11-23 15:38:35,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:35,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:35,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:35,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:35,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,087 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:38:35,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:35,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:35,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:35,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:35,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:35,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:35,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:35,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:35,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:35,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:35,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:38:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:38:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:38:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:38:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:38:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:35,284 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:35,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:35,400 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:35,414 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:38:35,415 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:38:35,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:35 BoogieIcfgContainer [2021-11-23 15:38:35,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:38:35,419 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:38:35,419 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:38:35,430 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:38:35,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:35" (1/1) ... [2021-11-23 15:38:35,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:38:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:38:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 15:38:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 15:38:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:38:35,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:38:35,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:38:35,618 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:38:35,621 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 15:38:35,626 INFO L158 Benchmark]: Toolchain (without parser) took 864.47ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.8MB in the beginning and 82.3MB in the end (delta: -13.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:38:35,627 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:35,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.09ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.5MB in the beginning and 101.2MB in the end (delta: -32.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:35,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.12ms. Allocated memory is still 125.8MB. Free memory was 101.2MB in the beginning and 99.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:35,630 INFO L158 Benchmark]: Boogie Preprocessor took 19.65ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 98.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:35,631 INFO L158 Benchmark]: RCFGBuilder took 308.89ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 89.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:38:35,632 INFO L158 Benchmark]: CodeCheck took 204.84ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 82.3MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:35,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.09ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.5MB in the beginning and 101.2MB in the end (delta: -32.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.12ms. Allocated memory is still 125.8MB. Free memory was 101.2MB in the beginning and 99.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.65ms. Allocated memory is still 125.8MB. Free memory was 99.7MB in the beginning and 98.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.89ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 89.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 204.84ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 82.3MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:38:35,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:38,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:38,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:38,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:38,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:38,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:38,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:38,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:38,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:38,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:38,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:38,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:38,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:38,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:38,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:38,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:38,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:38,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:38,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:38,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:38,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:38,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:38,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:38,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:38,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:38,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:38,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:38,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:38,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:38,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:38,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:38,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:38,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:38,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:38,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:38,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:38,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:38,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:38,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:38,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:38,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:38,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:38:38,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:38,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:38,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:38,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:38,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:38,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:38,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:38,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:38,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:38,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:38,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:38,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:38,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:38,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:38,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:38,563 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:38,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:38,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:38,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:38,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:38,564 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:38,564 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:38,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:38,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:38,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:38,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:38,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:38,566 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:38,566 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:38,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:38,567 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:38,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:38,568 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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c47a69833f1a958e38c27482b535b2d176258e52297f9899a8926a996c05520 [2021-11-23 15:38:39,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:39,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:39,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:39,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:39,117 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:39,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-11-23 15:38:39,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/0a38d9ac6/bed45b4198284c648c7b4e2406658953/FLAGc4061782a [2021-11-23 15:38:39,934 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:39,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-11-23 15:38:39,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/0a38d9ac6/bed45b4198284c648c7b4e2406658953/FLAGc4061782a [2021-11-23 15:38:40,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/data/0a38d9ac6/bed45b4198284c648c7b4e2406658953 [2021-11-23 15:38:40,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:40,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:40,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:40,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:40,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:40,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a01c771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40, skipping insertion in model container [2021-11-23 15:38:40,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:40,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:40,518 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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-11-23 15:38:40,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:40,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:40,558 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_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-11-23 15:38:40,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:40,577 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:40,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40 WrapperNode [2021-11-23 15:38:40,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:40,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:40,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:40,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:40,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,659 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:38:40,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:40,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:40,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:40,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:40,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:40,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:40,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:40,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:40,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:40" (1/1) ... [2021-11-23 15:38:40,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:40,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:40,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:38:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:38:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:38:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:38:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:38:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:40,898 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:40,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:41,105 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:41,136 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:38:41,149 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:38:41,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:41 BoogieIcfgContainer [2021-11-23 15:38:41,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:38:41,154 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:38:41,154 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:38:41,166 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:38:41,167 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:41" (1/1) ... [2021-11-23 15:38:41,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:38:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:38:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 15:38:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 15:38:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:38:41,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:38:41,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:38:41,336 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 15:38:41,342 INFO L158 Benchmark]: Toolchain (without parser) took 1049.51ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 38.5MB in the end (delta: 11.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:41,343 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:41,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.79ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 39.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:38:41,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.65ms. Allocated memory is still 71.3MB. Free memory was 39.8MB in the beginning and 54.9MB in the end (delta: -15.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:38:41,353 INFO L158 Benchmark]: Boogie Preprocessor took 26.03ms. Allocated memory is still 71.3MB. Free memory was 54.9MB in the beginning and 53.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:41,354 INFO L158 Benchmark]: RCFGBuilder took 465.12ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 44.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:41,355 INFO L158 Benchmark]: CodeCheck took 186.41ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 38.5MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:41,367 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 0.36ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.79ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 39.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.65ms. Allocated memory is still 71.3MB. Free memory was 39.8MB in the beginning and 54.9MB in the end (delta: -15.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.03ms. Allocated memory is still 71.3MB. Free memory was 54.9MB in the beginning and 53.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.12ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 44.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 186.41ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 38.5MB 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. [2021-11-23 15:38:41,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ab3ff9b-5ba2-47f5-a1ed-0f5111a87518/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