./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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 e0068f83ad7eb3861b59041e8ebf2a38df44c3a60c0fafaf2450f6b793a60fbe --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:33,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:33,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:33,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:33,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:33,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:33,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:33,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:33,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:33,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:33,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:33,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:33,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:33,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:33,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:33,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:33,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:33,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:33,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:33,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:33,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:33,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:33,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:33,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:33,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:33,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:33,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:33,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:33,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:33,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:33,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:33,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:33,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:33,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:33,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:33,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:33,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:33,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:33,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:33,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:33,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:33,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:33,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:33,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:33,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:33,268 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:33,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:33,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:33,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:33,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:33,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:33,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:33,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:33,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:33,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:33,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:33,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:33,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:33,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:33,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:33,272 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:33,272 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:33,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:33,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:33,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:33,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:33,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:33,283 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:33,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:33,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:33,284 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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0068f83ad7eb3861b59041e8ebf2a38df44c3a60c0fafaf2450f6b793a60fbe [2021-11-23 15:50:33,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:33,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:33,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:33,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:33,582 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:33,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-11-23 15:50:33,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/5d2c26e54/d9c5efc6d3d646238e23525986570480/FLAGbc1a1bfc5 [2021-11-23 15:50:34,136 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:34,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-11-23 15:50:34,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/5d2c26e54/d9c5efc6d3d646238e23525986570480/FLAGbc1a1bfc5 [2021-11-23 15:50:34,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/5d2c26e54/d9c5efc6d3d646238e23525986570480 [2021-11-23 15:50:34,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:34,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:34,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:34,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:34,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:34,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d097497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34, skipping insertion in model container [2021-11-23 15:50:34,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:34,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:34,742 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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-11-23 15:50:34,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:34,761 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:34,785 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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-11-23 15:50:34,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:34,800 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:34,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34 WrapperNode [2021-11-23 15:50:34,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:34,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:34,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:34,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:34,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,837 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 15:50:34,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:34,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:34,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:34,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:34,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:34,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:34,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:34,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:34,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:34" (1/1) ... [2021-11-23 15:50:34,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:34,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:34,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:34,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:50:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:50:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:50:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:50:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:35,013 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:35,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:35,120 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:35,133 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:50:35,134 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:50:35,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:35 BoogieIcfgContainer [2021-11-23 15:50:35,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:50:35,137 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:50:35,138 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:50:35,149 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:50:35,149 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:50:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 15:50:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 15:50:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:50:35,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:35,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:35,283 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:50:35,287 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 15:50:35,291 INFO L158 Benchmark]: Toolchain (without parser) took 769.91ms. Allocated memory is still 130.0MB. Free memory was 96.1MB in the beginning and 87.6MB in the end (delta: 8.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:35,293 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:35,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.16ms. Allocated memory is still 130.0MB. Free memory was 95.9MB in the beginning and 106.5MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:35,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.91ms. Allocated memory is still 130.0MB. Free memory was 106.5MB in the beginning and 105.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:35,296 INFO L158 Benchmark]: Boogie Preprocessor took 18.92ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 104.4MB in the end (delta: 693.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:35,297 INFO L158 Benchmark]: RCFGBuilder took 278.76ms. Allocated memory is still 130.0MB. Free memory was 104.4MB in the beginning and 94.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:35,298 INFO L158 Benchmark]: CodeCheck took 152.31ms. Allocated memory is still 130.0MB. Free memory was 94.6MB in the beginning and 87.6MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:50:35,303 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 0.34ms. Allocated memory is still 90.2MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.16ms. Allocated memory is still 130.0MB. Free memory was 95.9MB in the beginning and 106.5MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.91ms. Allocated memory is still 130.0MB. Free memory was 106.5MB in the beginning and 105.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.92ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 104.4MB in the end (delta: 693.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.76ms. Allocated memory is still 130.0MB. Free memory was 104.4MB in the beginning and 94.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 152.31ms. Allocated memory is still 130.0MB. Free memory was 94.6MB in the beginning and 87.6MB in the end (delta: 7.0MB). 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 15:50:35,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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 e0068f83ad7eb3861b59041e8ebf2a38df44c3a60c0fafaf2450f6b793a60fbe --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:38,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:38,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:38,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:38,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:38,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:38,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:38,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:38,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:38,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:38,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:38,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:38,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:38,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:38,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:38,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:38,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:38,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:38,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:38,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:38,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:38,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:38,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:38,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:38,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:38,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:38,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:38,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:38,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:38,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:38,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:38,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:38,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:38,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:38,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:38,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:38,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:38,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:38,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:38,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:38,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:38,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:38,219 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:38,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:38,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:38,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:38,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:38,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:38,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:38,224 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:38,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:38,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:38,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:38,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:38,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:38,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:38,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:38,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:38,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:38,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:38,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:38,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:38,229 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:38,229 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:38,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:38,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:38,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:38,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:38,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:38,231 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:38,232 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:38,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:38,232 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:38,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:38,233 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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0068f83ad7eb3861b59041e8ebf2a38df44c3a60c0fafaf2450f6b793a60fbe [2021-11-23 15:50:38,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:38,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:38,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:38,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:38,704 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:38,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-11-23 15:50:38,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/11fad6848/ebb4355240294e29a71c42c29e9b0426/FLAG70111bec7 [2021-11-23 15:50:39,334 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:39,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c [2021-11-23 15:50:39,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/11fad6848/ebb4355240294e29a71c42c29e9b0426/FLAG70111bec7 [2021-11-23 15:50:39,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/data/11fad6848/ebb4355240294e29a71c42c29e9b0426 [2021-11-23 15:50:39,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:39,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:39,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:39,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:39,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:39,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:39" (1/1) ... [2021-11-23 15:50:39,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49acf9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:39, skipping insertion in model container [2021-11-23 15:50:39,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:39" (1/1) ... [2021-11-23 15:50:39,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:39,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:39,939 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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-11-23 15:50:39,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:39,956 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:39,981 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_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/sv-benchmarks/c/recursive-simple/fibo_2calls_6-1.c[946,959] [2021-11-23 15:50:39,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:39,999 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:40,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40 WrapperNode [2021-11-23 15:50:40,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:40,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:40,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:40,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:40,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,068 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:50:40,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:40,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:40,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:40,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:40,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:40,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:40,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:40,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:40,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:40,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:40,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-11-23 15:50:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-11-23 15:50:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-11-23 15:50:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-11-23 15:50:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:40,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:40,289 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:40,291 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:40,454 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:40,479 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:50:40,494 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:50:40,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:40 BoogieIcfgContainer [2021-11-23 15:50:40,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:50:40,498 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:50:40,498 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:50:40,508 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:50:40,508 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:40" (1/1) ... [2021-11-23 15:50:40,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:50:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:50:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 15:50:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 15:50:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:50:40,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:50:40,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:50:40,650 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 15:50:40,656 INFO L158 Benchmark]: Toolchain (without parser) took 965.19ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 27.0MB in the end (delta: 13.3MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:40,657 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:40,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.93ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 30.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:40,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.56ms. Allocated memory is still 60.8MB. Free memory was 30.0MB in the beginning and 43.5MB in the end (delta: -13.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:40,659 INFO L158 Benchmark]: Boogie Preprocessor took 43.13ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 42.6MB in the end (delta: 926.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:40,660 INFO L158 Benchmark]: RCFGBuilder took 384.01ms. Allocated memory is still 60.8MB. Free memory was 42.4MB in the beginning and 33.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:40,661 INFO L158 Benchmark]: CodeCheck took 155.98ms. Allocated memory is still 60.8MB. Free memory was 33.4MB in the beginning and 27.0MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:50:40,672 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 0.29ms. Allocated memory is still 60.8MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.93ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 30.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.56ms. Allocated memory is still 60.8MB. Free memory was 30.0MB in the beginning and 43.5MB in the end (delta: -13.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.13ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 42.6MB in the end (delta: 926.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 384.01ms. Allocated memory is still 60.8MB. Free memory was 42.4MB in the beginning and 33.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 155.98ms. Allocated memory is still 60.8MB. Free memory was 33.4MB in the beginning and 27.0MB 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 15:50:40,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f3f629-e020-45ad-9ad1-8d468a44e6c6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared