./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/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_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/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_c3aa68e3-0122-41ba-b366-a294cd39ce08/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 eb57cc67b4a5d1052a722feccb00a81098424cf4bc0bbd7bfe756405ab740d43 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:25,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:25,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:25,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:25,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:25,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:25,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:25,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:25,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:25,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:25,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:25,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:25,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:25,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:25,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:25,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:25,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:25,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:25,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:25,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:25,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:25,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:25,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:25,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:25,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:25,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:25,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:25,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:25,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:25,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:25,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:25,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:25,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:25,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:25,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:25,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:25,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:25,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:25,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:25,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:25,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:25,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:25,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:25,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:25,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:25,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:25,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:25,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:25,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:25,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:25,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:25,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:25,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:25,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:25,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:25,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:25,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:25,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:25,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:25,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:25,856 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:25,856 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:25,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:25,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:25,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:25,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:25,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:25,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:25,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:25,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:25,858 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_c3aa68e3-0122-41ba-b366-a294cd39ce08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb57cc67b4a5d1052a722feccb00a81098424cf4bc0bbd7bfe756405ab740d43 [2021-11-23 15:58:26,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:26,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:26,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:26,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:26,207 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:26,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c [2021-11-23 15:58:26,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/c48eef8a0/2a10c5328f9a4889bd01ebc6f6339712/FLAG62d19872e [2021-11-23 15:58:26,711 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:26,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c [2021-11-23 15:58:26,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/c48eef8a0/2a10c5328f9a4889bd01ebc6f6339712/FLAG62d19872e [2021-11-23 15:58:27,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/c48eef8a0/2a10c5328f9a4889bd01ebc6f6339712 [2021-11-23 15:58:27,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:27,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:27,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:27,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:27,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:27,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1491417f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27, skipping insertion in model container [2021-11-23 15:58:27,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:27,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:27,316 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_c3aa68e3-0122-41ba-b366-a294cd39ce08/sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c[946,959] [2021-11-23 15:58:27,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:27,331 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:27,344 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_c3aa68e3-0122-41ba-b366-a294cd39ce08/sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c[946,959] [2021-11-23 15:58:27,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:27,358 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:27,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27 WrapperNode [2021-11-23 15:58:27,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:27,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:27,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:27,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:27,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,391 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:58:27,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:27,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:27,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:27,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:27,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:27,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:27,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:27,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:27,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:27,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:27,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:27,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:58:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:58:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:58:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:58:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:27,553 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:27,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:27,675 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:27,688 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:58:27,688 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:58:27,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:27 BoogieIcfgContainer [2021-11-23 15:58:27,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:58:27,692 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:58:27,692 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:58:27,702 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:58:27,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:27" (1/1) ... [2021-11-23 15:58:27,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:58:27,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 15:58:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 15:58:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:58:27,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:27,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:27,903 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:58:27,907 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 15:58:27,918 INFO L158 Benchmark]: Toolchain (without parser) took 821.66ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 50.9MB in the beginning and 81.8MB in the end (delta: -30.9MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,919 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:27,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.89ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 50.7MB in the beginning and 100.7MB in the end (delta: -50.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.78ms. Allocated memory is still 123.7MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,924 INFO L158 Benchmark]: Boogie Preprocessor took 18.55ms. Allocated memory is still 123.7MB. Free memory was 99.1MB in the beginning and 98.3MB in the end (delta: 788.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:27,925 INFO L158 Benchmark]: RCFGBuilder took 279.74ms. Allocated memory is still 123.7MB. Free memory was 98.3MB in the beginning and 88.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,926 INFO L158 Benchmark]: CodeCheck took 222.71ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 81.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:27,935 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 0.28ms. Allocated memory is still 86.0MB. Free memory was 67.1MB in the beginning and 67.0MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.89ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 50.7MB in the beginning and 100.7MB in the end (delta: -50.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.78ms. Allocated memory is still 123.7MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.55ms. Allocated memory is still 123.7MB. Free memory was 99.1MB in the beginning and 98.3MB in the end (delta: 788.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.74ms. Allocated memory is still 123.7MB. Free memory was 98.3MB in the beginning and 88.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 222.71ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 81.8MB in the end (delta: 6.8MB). 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 15:58:27,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/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_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/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_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/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_c3aa68e3-0122-41ba-b366-a294cd39ce08/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 eb57cc67b4a5d1052a722feccb00a81098424cf4bc0bbd7bfe756405ab740d43 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:30,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:30,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:30,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:30,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:30,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:30,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:30,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:30,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:30,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:30,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:30,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:30,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:30,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:30,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:30,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:30,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:30,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:30,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:30,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:30,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:30,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:30,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:30,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:30,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:30,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:30,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:30,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:30,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:30,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:30,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:30,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:30,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:30,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:30,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:30,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:30,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:30,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:30,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:30,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:30,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:30,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:30,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:30,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:30,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:30,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:30,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:30,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:30,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:30,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:30,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:30,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:30,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:30,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:30,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:30,667 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:30,668 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:30,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:30,668 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:30,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:30,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:30,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:30,669 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:30,669 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:30,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:30,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:30,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:30,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:30,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:30,670 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:30,670 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:30,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:30,671 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:30,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:30,671 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_c3aa68e3-0122-41ba-b366-a294cd39ce08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb57cc67b4a5d1052a722feccb00a81098424cf4bc0bbd7bfe756405ab740d43 [2021-11-23 15:58:31,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:31,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:31,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:31,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:31,092 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:31,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c [2021-11-23 15:58:31,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/bba0bf6f1/494ccddbba46411083d751216dca0092/FLAG29f51d5ab [2021-11-23 15:58:31,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:31,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c [2021-11-23 15:58:31,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/bba0bf6f1/494ccddbba46411083d751216dca0092/FLAG29f51d5ab [2021-11-23 15:58:32,095 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/data/bba0bf6f1/494ccddbba46411083d751216dca0092 [2021-11-23 15:58:32,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:32,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:32,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:32,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:32,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:32,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0f9ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32, skipping insertion in model container [2021-11-23 15:58:32,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:32,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:32,312 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_c3aa68e3-0122-41ba-b366-a294cd39ce08/sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c[946,959] [2021-11-23 15:58:32,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:32,342 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:32,370 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_c3aa68e3-0122-41ba-b366-a294cd39ce08/sv-benchmarks/c/recursive-simple/fibo_2calls_5-2.c[946,959] [2021-11-23 15:58:32,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:32,423 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:32,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32 WrapperNode [2021-11-23 15:58:32,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:32,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:32,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:32,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:32,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,485 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:58:32,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:32,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:32,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:32,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:32,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:32,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:32,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:32,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:32,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:32,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:32,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:32,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:58:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:58:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:58:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:58:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:32,716 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:32,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:32,858 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:32,872 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:58:32,873 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:58:32,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:32 BoogieIcfgContainer [2021-11-23 15:58:32,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:58:32,877 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:58:32,877 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:58:32,887 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:58:32,887 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:32" (1/1) ... [2021-11-23 15:58:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:58:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 15:58:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 15:58:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:58:32,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:32,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:33,035 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 15:58:33,042 INFO L158 Benchmark]: Toolchain (without parser) took 939.71ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 31.6MB in the end (delta: 13.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,043 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:33,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.36ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 49.7MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.51ms. Allocated memory is still 65.0MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:33,048 INFO L158 Benchmark]: Boogie Preprocessor took 44.19ms. Allocated memory is still 65.0MB. Free memory was 48.3MB in the beginning and 47.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:33,051 INFO L158 Benchmark]: RCFGBuilder took 344.21ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 38.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,052 INFO L158 Benchmark]: CodeCheck took 161.89ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 31.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:33,062 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 0.33ms. Allocated memory is still 65.0MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.36ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 49.7MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.51ms. Allocated memory is still 65.0MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.19ms. Allocated memory is still 65.0MB. Free memory was 48.3MB in the beginning and 47.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 344.21ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 38.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 161.89ms. Allocated memory is still 65.0MB. Free memory was 37.9MB in the beginning and 31.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:33,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3aa68e3-0122-41ba-b366-a294cd39ce08/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