./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_10-1.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_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/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_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/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_75c0f17c-642e-4d15-9c2d-47693e1e1273/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 acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:31,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:31,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:31,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:31,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:31,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:31,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:31,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:31,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:31,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:31,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:31,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:31,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:31,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:31,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:31,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:31,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:31,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:31,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:31,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:31,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:31,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:31,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:31,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:31,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:31,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:31,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:31,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:31,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:31,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:31,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:31,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:31,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:31,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:31,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:31,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:31,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:31,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:31,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:31,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:31,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:31,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:31,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:31,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:31,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:31,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:31,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:31,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:31,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:31,780 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:31,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:31,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:31,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:31,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:31,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:31,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:31,782 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:31,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:31,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:31,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:31,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:31,783 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:31,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:31,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:31,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:31,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:31,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:31,784 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:31,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:31,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:31,784 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_75c0f17c-642e-4d15-9c2d-47693e1e1273/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 [2021-11-23 15:53:32,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:32,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:32,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:32,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:32,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:32,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_10-1.c [2021-11-23 15:53:32,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/3018773eb/2f17eafc0e89423ba02b9022d444eb44/FLAGdafc0a4cf [2021-11-23 15:53:32,712 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:32,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/sv-benchmarks/c/recursive-simple/fibo_10-1.c [2021-11-23 15:53:32,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/3018773eb/2f17eafc0e89423ba02b9022d444eb44/FLAGdafc0a4cf [2021-11-23 15:53:33,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/3018773eb/2f17eafc0e89423ba02b9022d444eb44 [2021-11-23 15:53:33,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:33,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:33,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:33,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:33,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:33,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506b6dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33, skipping insertion in model container [2021-11-23 15:53:33,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:33,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:33,313 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_75c0f17c-642e-4d15-9c2d-47693e1e1273/sv-benchmarks/c/recursive-simple/fibo_10-1.c[743,756] [2021-11-23 15:53:33,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:33,325 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:33,340 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_75c0f17c-642e-4d15-9c2d-47693e1e1273/sv-benchmarks/c/recursive-simple/fibo_10-1.c[743,756] [2021-11-23 15:53:33,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:33,354 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:33,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33 WrapperNode [2021-11-23 15:53:33,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:33,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:33,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:33,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:33,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,388 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:53:33,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:33,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:33,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:33,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:33,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:33,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:33,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:33,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:33,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:33,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:33,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:33,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-11-23 15:53:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-11-23 15:53:33,555 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:33,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:33,655 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:33,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:33,668 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:53:33,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:33 BoogieIcfgContainer [2021-11-23 15:53:33,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:33,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:33,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:33,683 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:33,692 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:33" (1/1) ... [2021-11-23 15:53:33,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:53:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 15:53:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 15:53:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:53:33,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:33,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:33,878 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:53:33,882 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:33,887 INFO L158 Benchmark]: Toolchain (without parser) took 801.43ms. Allocated memory is still 123.7MB. Free memory was 81.9MB in the beginning and 79.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:33,889 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:33,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.17ms. Allocated memory is still 123.7MB. Free memory was 81.7MB in the beginning and 98.0MB in the end (delta: -16.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:33,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.17ms. Allocated memory is still 123.7MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:33,895 INFO L158 Benchmark]: Boogie Preprocessor took 18.34ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 95.9MB in the end (delta: 527.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:33,896 INFO L158 Benchmark]: RCFGBuilder took 262.84ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 86.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:33,897 INFO L158 Benchmark]: CodeCheck took 213.31ms. Allocated memory is still 123.7MB. Free memory was 86.4MB in the beginning and 79.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:33,907 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 0.30ms. Allocated memory is still 123.7MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.17ms. Allocated memory is still 123.7MB. Free memory was 81.7MB in the beginning and 98.0MB in the end (delta: -16.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.17ms. Allocated memory is still 123.7MB. Free memory was 98.0MB in the beginning and 96.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.34ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 95.9MB in the end (delta: 527.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.84ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 86.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 213.31ms. Allocated memory is still 123.7MB. Free memory was 86.4MB in the beginning and 79.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:33,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/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_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/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_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/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_75c0f17c-642e-4d15-9c2d-47693e1e1273/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 acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:36,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:36,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:36,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:36,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:36,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:36,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:36,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:36,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:36,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:36,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:36,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:36,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:36,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:36,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:36,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:36,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:36,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:36,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:36,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:36,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:36,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:36,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:36,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:36,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:36,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:36,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:36,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:36,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:36,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:36,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:36,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:36,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:36,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:36,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:36,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:36,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:36,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:36,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:36,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:36,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:36,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:36,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:36,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:36,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:36,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:36,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:36,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:36,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:36,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:36,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:36,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:36,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:36,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:36,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:36,639 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:36,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:36,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:36,640 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:36,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:36,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:36,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:36,641 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:36,641 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:36,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:36,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:36,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:36,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:36,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:36,642 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:36,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:36,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:36,643 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:36,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:36,643 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_75c0f17c-642e-4d15-9c2d-47693e1e1273/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acde98dd01af02b5a508b32116f1b2c3612f1f84e6ba2fe02fc76c333a1d32d3 [2021-11-23 15:53:37,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:37,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:37,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:37,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:37,077 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:37,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_10-1.c [2021-11-23 15:53:37,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/c032bb841/ad4d710d09724c31a07035592412574b/FLAGd0968d552 [2021-11-23 15:53:37,621 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:37,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/sv-benchmarks/c/recursive-simple/fibo_10-1.c [2021-11-23 15:53:37,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/c032bb841/ad4d710d09724c31a07035592412574b/FLAGd0968d552 [2021-11-23 15:53:38,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/data/c032bb841/ad4d710d09724c31a07035592412574b [2021-11-23 15:53:38,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:38,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:38,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:38,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:38,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:38,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7e9ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38, skipping insertion in model container [2021-11-23 15:53:38,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:38,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:38,249 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_75c0f17c-642e-4d15-9c2d-47693e1e1273/sv-benchmarks/c/recursive-simple/fibo_10-1.c[743,756] [2021-11-23 15:53:38,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:38,270 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:38,289 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_75c0f17c-642e-4d15-9c2d-47693e1e1273/sv-benchmarks/c/recursive-simple/fibo_10-1.c[743,756] [2021-11-23 15:53:38,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:38,324 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:38,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38 WrapperNode [2021-11-23 15:53:38,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:38,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:38,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:38,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:38,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,375 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:53:38,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:38,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:38,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:38,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:38,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:38,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:38,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:38,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:38,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:38,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:38,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:38,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2021-11-23 15:53:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2021-11-23 15:53:38,540 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:38,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:38,714 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:38,729 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:38,729 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:53:38,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:38 BoogieIcfgContainer [2021-11-23 15:53:38,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:38,734 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:38,735 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:38,745 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:38,745 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:38" (1/1) ... [2021-11-23 15:53:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:53:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:53:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-23 15:53:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-23 15:53:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:53:38,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:53:38,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:53:38,909 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:38,915 INFO L158 Benchmark]: Toolchain (without parser) took 873.60ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 31.2MB in the end (delta: 13.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:38,916 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:38,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.80ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 48.7MB in the end (delta: -4.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:38,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.40ms. Allocated memory is still 65.0MB. Free memory was 48.5MB in the beginning and 47.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:38,921 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 46.2MB in the end (delta: 954.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:38,922 INFO L158 Benchmark]: RCFGBuilder took 335.36ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 37.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:38,923 INFO L158 Benchmark]: CodeCheck took 177.97ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 31.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:38,933 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 0.26ms. Allocated memory is still 65.0MB. Free memory is still 44.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.80ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 48.7MB in the end (delta: -4.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.40ms. Allocated memory is still 65.0MB. Free memory was 48.5MB in the beginning and 47.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.82ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 46.2MB in the end (delta: 954.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.36ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 37.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 177.97ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 31.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:38,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c0f17c-642e-4d15-9c2d-47693e1e1273/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