./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db54bc93f5615de8b0a803193005d14234c84165 ........................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db54bc93f5615de8b0a803193005d14234c84165 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:08:10,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:08:10,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:08:10,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:08:10,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:08:10,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:08:10,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:08:10,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:08:10,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:08:10,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:08:10,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:08:10,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:08:10,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:08:10,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:08:10,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:08:10,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:08:10,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:08:10,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:08:10,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:08:10,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:08:10,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:08:10,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:08:10,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:08:10,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:08:10,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:08:10,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:08:10,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:08:10,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:08:10,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:08:10,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:08:10,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:08:10,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:08:10,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:08:10,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:08:10,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:08:10,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:08:10,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:08:10,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:08:10,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:08:10,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:08:10,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:08:10,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:08:10,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:08:10,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:08:10,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:08:10,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:08:10,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:08:10,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:08:10,315 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:08:10,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:08:10,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:08:10,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:08:10,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:08:10,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:08:10,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:08:10,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:08:10,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:08:10,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:08:10,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:08:10,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:08:10,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:08:10,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:08:10,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:08:10,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:08:10,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:08:10,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:08:10,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:08:10,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:08:10,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:08:10,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:08:10,324 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:08:10,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:08:10,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:08:10,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:08:10,328 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_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db54bc93f5615de8b0a803193005d14234c84165 [2021-10-15 20:08:10,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:08:10,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:08:10,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:08:10,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:08:10,762 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:08:10,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive/Fibonacci04.c [2021-10-15 20:08:10,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/218f3d141/5a7f66c623414e4b8ec2f6cbe59e22d7/FLAG1b3fcd9b6 [2021-10-15 20:08:11,408 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:08:11,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/sv-benchmarks/c/recursive/Fibonacci04.c [2021-10-15 20:08:11,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/218f3d141/5a7f66c623414e4b8ec2f6cbe59e22d7/FLAG1b3fcd9b6 [2021-10-15 20:08:11,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/218f3d141/5a7f66c623414e4b8ec2f6cbe59e22d7 [2021-10-15 20:08:11,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:08:11,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:08:11,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:08:11,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:08:11,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:08:11,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:08:11" (1/1) ... [2021-10-15 20:08:11,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199e0d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:11, skipping insertion in model container [2021-10-15 20:08:11,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:08:11" (1/1) ... [2021-10-15 20:08:11,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:08:11,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:08:12,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-10-15 20:08:12,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:08:12,020 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:08:12,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-10-15 20:08:12,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:08:12,054 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:08:12,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12 WrapperNode [2021-10-15 20:08:12,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:08:12,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:08:12,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:08:12,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:08:12,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:08:12,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:08:12,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:08:12,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:08:12,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:08:12,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:08:12,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:08:12,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:08:12,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (1/1) ... [2021-10-15 20:08:12,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:08:12,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:12,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:12,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:08:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-10-15 20:08:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-10-15 20:08:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:08:12,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:08:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:08:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:08:12,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:08:12,517 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 20:08:12,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:08:12 BoogieIcfgContainer [2021-10-15 20:08:12,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:08:12,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:08:12,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:08:12,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:08:12,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:08:11" (1/3) ... [2021-10-15 20:08:12,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cf6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:08:12, skipping insertion in model container [2021-10-15 20:08:12,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:12" (2/3) ... [2021-10-15 20:08:12,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cf6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:08:12, skipping insertion in model container [2021-10-15 20:08:12,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:08:12" (3/3) ... [2021-10-15 20:08:12,532 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci04.c [2021-10-15 20:08:12,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:08:12,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:08:12,599 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:08:12,608 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 20:08:12,609 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:08:12,619 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Return at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-10-15 20:08:12,625 INFO L168 Benchmark]: Toolchain (without parser) took 854.32 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 84.1 MB in the beginning and 103.5 MB in the end (delta: -19.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:12,626 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:12,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.51 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 83.8 MB in the beginning and 119.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:12,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.67 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 118.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:12,629 INFO L168 Benchmark]: Boogie Preprocessor took 40.67 ms. Allocated memory is still 144.7 MB. Free memory was 118.2 MB in the beginning and 117.7 MB in the end (delta: 521.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:12,630 INFO L168 Benchmark]: RCFGBuilder took 382.47 ms. Allocated memory is still 144.7 MB. Free memory was 117.2 MB in the beginning and 108.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:12,631 INFO L168 Benchmark]: TraceAbstraction took 99.26 ms. Allocated memory is still 144.7 MB. Free memory was 107.7 MB in the beginning and 103.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:12,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 284.51 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 83.8 MB in the beginning and 119.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.67 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 118.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.67 ms. Allocated memory is still 144.7 MB. Free memory was 118.2 MB in the beginning and 117.7 MB in the end (delta: 521.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 382.47 ms. Allocated memory is still 144.7 MB. Free memory was 117.2 MB in the beginning and 108.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 99.26 ms. Allocated memory is still 144.7 MB. Free memory was 107.7 MB in the beginning and 103.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Return: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 20:08:12,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:08:15,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:08:15,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:08:15,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:08:15,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:08:15,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:08:15,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:08:15,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:08:15,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:08:15,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:08:15,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:08:15,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:08:15,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:08:15,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:08:15,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:08:15,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:08:15,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:08:15,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:08:15,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:08:15,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:08:15,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:08:15,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:08:15,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:08:15,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:08:15,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:08:15,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:08:15,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:08:15,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:08:15,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:08:15,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:08:15,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:08:15,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:08:15,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:08:15,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:08:15,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:08:15,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:08:15,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:08:15,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:08:15,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:08:15,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:08:15,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:08:15,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:08:15,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:08:15,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:08:15,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:08:15,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:08:15,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:08:15,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:08:15,797 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:08:15,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:08:15,797 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:08:15,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:08:15,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:08:15,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:08:15,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:08:15,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:08:15,800 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:08:15,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:08:15,801 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:08:15,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:08:15,801 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:08:15,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:08:15,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:08:15,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:08:15,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:08:15,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:08:15,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:08:15,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:08:15,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:08:15,804 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:08:15,804 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:08:15,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:08:15,805 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:08:15,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:08:15,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:08:15,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:08:15,806 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_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db54bc93f5615de8b0a803193005d14234c84165 [2021-10-15 20:08:16,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:08:16,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:08:16,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:08:16,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:08:16,322 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:08:16,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive/Fibonacci04.c [2021-10-15 20:08:16,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/5367bb86a/c014e3ae844841a394a58d0c08bcf73d/FLAGa75a13dd9 [2021-10-15 20:08:17,049 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:08:17,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/sv-benchmarks/c/recursive/Fibonacci04.c [2021-10-15 20:08:17,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/5367bb86a/c014e3ae844841a394a58d0c08bcf73d/FLAGa75a13dd9 [2021-10-15 20:08:17,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/data/5367bb86a/c014e3ae844841a394a58d0c08bcf73d [2021-10-15 20:08:17,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:08:17,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:08:17,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:08:17,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:08:17,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:08:17,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735928fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17, skipping insertion in model container [2021-10-15 20:08:17,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:08:17,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:08:17,620 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-10-15 20:08:17,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:08:17,639 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:08:17,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/sv-benchmarks/c/recursive/Fibonacci04.c[780,793] [2021-10-15 20:08:17,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:08:17,676 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:08:17,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17 WrapperNode [2021-10-15 20:08:17,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:08:17,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:08:17,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:08:17,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:08:17,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:08:17,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:08:17,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:08:17,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:08:17,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:08:17,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:08:17,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:08:17,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:08:17,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (1/1) ... [2021-10-15 20:08:17,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:08:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:08:17,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:08:17,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:08:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2021-10-15 20:08:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2021-10-15 20:08:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:08:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:08:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:08:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:08:18,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:08:18,281 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 20:08:18,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:08:18 BoogieIcfgContainer [2021-10-15 20:08:18,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:08:18,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:08:18,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:08:18,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:08:18,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:08:17" (1/3) ... [2021-10-15 20:08:18,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fd0e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:08:18, skipping insertion in model container [2021-10-15 20:08:18,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:08:17" (2/3) ... [2021-10-15 20:08:18,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fd0e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:08:18, skipping insertion in model container [2021-10-15 20:08:18,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:08:18" (3/3) ... [2021-10-15 20:08:18,293 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci04.c [2021-10-15 20:08:18,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:08:18,328 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:08:18,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:08:18,406 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 20:08:18,406 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:08:18,416 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Return at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-10-15 20:08:18,428 INFO L168 Benchmark]: Toolchain (without parser) took 1000.50 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.7 MB in the beginning and 44.9 MB in the end (delta: -15.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:18,430 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:18,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.02 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 32.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:18,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.85 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 32.8 MB in the beginning and 46.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:18,438 INFO L168 Benchmark]: Boogie Preprocessor took 48.32 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 45.5 MB in the end (delta: 992.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:18,439 INFO L168 Benchmark]: RCFGBuilder took 453.76 ms. Allocated memory is still 62.9 MB. Free memory was 45.4 MB in the beginning and 36.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:08:18,441 INFO L168 Benchmark]: TraceAbstraction took 139.87 ms. Allocated memory is still 62.9 MB. Free memory was 35.6 MB in the beginning and 44.9 MB in the end (delta: -9.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:08:18,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 245.02 ms. Allocated memory is still 52.4 MB. Free memory was 29.5 MB in the beginning and 32.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.85 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 32.8 MB in the beginning and 46.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.32 ms. Allocated memory is still 62.9 MB. Free memory was 46.5 MB in the beginning and 45.5 MB in the end (delta: 992.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 453.76 ms. Allocated memory is still 62.9 MB. Free memory was 45.4 MB in the beginning and 36.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 139.87 ms. Allocated memory is still 62.9 MB. Free memory was 35.6 MB in the beginning and 44.9 MB in the end (delta: -9.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Return: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 20:08:18,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b1f7bc-cf5d-4921-81c0-52092439669e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...