./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/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_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/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_909e1327-b91f-4514-950f-91f123438fc0/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 266436f0336fa87343e9fe2aac074f47fa1a621a ............................................................................................................................................................................................................................. 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_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/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_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/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_909e1327-b91f-4514-950f-91f123438fc0/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 266436f0336fa87343e9fe2aac074f47fa1a621a ............................................................................................................................................................................................................................... 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 20:06:14,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:06:14,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:06:14,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:06:14,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:06:14,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:06:14,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:06:14,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:06:14,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:06:14,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:06:14,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:06:14,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:06:14,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:06:14,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:06:14,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:06:14,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:06:14,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:06:14,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:06:14,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:06:14,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:06:14,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:06:14,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:06:14,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:06:14,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:06:14,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:06:14,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:06:14,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:06:14,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:06:14,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:06:14,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:06:14,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:06:14,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:06:14,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:06:14,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:06:14,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:06:14,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:06:14,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:06:14,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:06:14,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:06:14,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:06:14,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:06:14,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:06:14,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:06:14,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:06:14,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:06:14,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:06:14,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:06:14,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:06:14,150 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:06:14,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:06:14,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:06:14,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:06:14,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:06:14,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:06:14,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:06:14,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:06:14,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:06:14,152 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:06:14,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:06:14,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:06:14,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:06:14,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:06:14,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:06:14,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:06:14,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:06:14,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:06:14,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:06:14,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:06:14,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:06:14,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:06:14,155 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:06:14,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:06:14,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:06:14,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:06:14,156 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_909e1327-b91f-4514-950f-91f123438fc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 266436f0336fa87343e9fe2aac074f47fa1a621a [2021-10-15 20:06:14,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:06:14,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:06:14,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:06:14,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:06:14,518 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:06:14,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-10-15 20:06:14,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/5b6691895/fbff710295554060b773181f5445a3de/FLAG46f969048 [2021-10-15 20:06:15,258 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:06:15,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-10-15 20:06:15,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/5b6691895/fbff710295554060b773181f5445a3de/FLAG46f969048 [2021-10-15 20:06:15,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/5b6691895/fbff710295554060b773181f5445a3de [2021-10-15 20:06:15,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:06:15,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:06:15,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:06:15,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:06:15,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:06:15,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268953d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15, skipping insertion in model container [2021-10-15 20:06:15,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:06:15,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:06:15,883 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_909e1327-b91f-4514-950f-91f123438fc0/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-10-15 20:06:15,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:06:15,898 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:06:15,917 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_909e1327-b91f-4514-950f-91f123438fc0/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-10-15 20:06:15,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:06:15,934 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:06:15,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15 WrapperNode [2021-10-15 20:06:15,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:06:15,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:06:15,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:06:15,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:06:15,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:06:15,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:06:15,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:06:15,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:06:15,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:15,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:06:15,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:06:15,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:06:16,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:06:16,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (1/1) ... [2021-10-15 20:06:16,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:06:16,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:06:16,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:06:16,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:06:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:06:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 20:06:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 20:06:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:06:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 20:06:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 20:06:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:06:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:06:16,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:06:16,356 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 20:06:16,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:06:16 BoogieIcfgContainer [2021-10-15 20:06:16,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:06:16,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:06:16,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:06:16,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:06:16,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:06:15" (1/3) ... [2021-10-15 20:06:16,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3acfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:06:16, skipping insertion in model container [2021-10-15 20:06:16,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:15" (2/3) ... [2021-10-15 20:06:16,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3acfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:06:16, skipping insertion in model container [2021-10-15 20:06:16,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:06:16" (3/3) ... [2021-10-15 20:06:16,367 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_2-1.c [2021-10-15 20:06:16,373 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:06:16,373 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:06:16,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:06:16,428 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 20:06:16,428 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:06:16,450 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 20:06:16,455 INFO L168 Benchmark]: Toolchain (without parser) took 825.37 ms. Allocated memory is still 169.9 MB. Free memory was 134.2 MB in the beginning and 125.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:16,456 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 169.9 MB. Free memory was 142.5 MB in the beginning and 142.5 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:06:16,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.01 ms. Allocated memory is still 169.9 MB. Free memory was 133.8 MB in the beginning and 142.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:16,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.29 ms. Allocated memory is still 169.9 MB. Free memory was 142.4 MB in the beginning and 141.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:16,459 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 ms. Allocated memory is still 169.9 MB. Free memory was 141.0 MB in the beginning and 140.2 MB in the end (delta: 840.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:06:16,460 INFO L168 Benchmark]: RCFGBuilder took 359.14 ms. Allocated memory is still 169.9 MB. Free memory was 140.2 MB in the beginning and 129.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:16,461 INFO L168 Benchmark]: TraceAbstraction took 92.96 ms. Allocated memory is still 169.9 MB. Free memory was 129.4 MB in the beginning and 125.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:16,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 169.9 MB. Free memory was 142.5 MB in the beginning and 142.5 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.01 ms. Allocated memory is still 169.9 MB. Free memory was 133.8 MB in the beginning and 142.4 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.29 ms. Allocated memory is still 169.9 MB. Free memory was 142.4 MB in the beginning and 141.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.05 ms. Allocated memory is still 169.9 MB. Free memory was 141.0 MB in the beginning and 140.2 MB in the end (delta: 840.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 359.14 ms. Allocated memory is still 169.9 MB. Free memory was 140.2 MB in the beginning and 129.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 92.96 ms. Allocated memory is still 169.9 MB. Free memory was 129.4 MB in the beginning and 125.2 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 20:06:16,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/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 20:06:19,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:06:19,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:06:19,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:06:19,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:06:19,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:06:19,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:06:19,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:06:19,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:06:19,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:06:19,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:06:19,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:06:19,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:06:19,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:06:19,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:06:19,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:06:19,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:06:19,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:06:19,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:06:19,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:06:19,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:06:19,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:06:19,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:06:19,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:06:19,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:06:19,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:06:19,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:06:19,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:06:19,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:06:19,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:06:19,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:06:19,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:06:19,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:06:19,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:06:19,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:06:19,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:06:19,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:06:19,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:06:19,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:06:19,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:06:19,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:06:19,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:06:19,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:06:19,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:06:19,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:06:19,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:06:19,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:06:19,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:06:19,269 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:06:19,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:06:19,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:06:19,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:06:19,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:06:19,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:06:19,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:06:19,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:06:19,272 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:06:19,272 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:06:19,272 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:06:19,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:06:19,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:06:19,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:06:19,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:06:19,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:06:19,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:06:19,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:06:19,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:06:19,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:06:19,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:06:19,275 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:06:19,275 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:06:19,275 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:06:19,275 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:06:19,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:06:19,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:06:19,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:06:19,276 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_909e1327-b91f-4514-950f-91f123438fc0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 266436f0336fa87343e9fe2aac074f47fa1a621a [2021-10-15 20:06:19,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:06:19,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:06:19,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:06:19,732 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:06:19,733 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:06:19,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-10-15 20:06:19,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/cdafca401/1db95e8b51e24b088e2861a464f2d1a1/FLAGfd78b53dc [2021-10-15 20:06:20,472 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:06:20,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c [2021-10-15 20:06:20,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/cdafca401/1db95e8b51e24b088e2861a464f2d1a1/FLAGfd78b53dc [2021-10-15 20:06:20,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/data/cdafca401/1db95e8b51e24b088e2861a464f2d1a1 [2021-10-15 20:06:20,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:06:20,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:06:20,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:06:20,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:06:20,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:06:20,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:06:20" (1/1) ... [2021-10-15 20:06:20,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db2d9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:20, skipping insertion in model container [2021-10-15 20:06:20,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:06:20" (1/1) ... [2021-10-15 20:06:20,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:06:20,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:06:21,056 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_909e1327-b91f-4514-950f-91f123438fc0/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-10-15 20:06:21,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:06:21,075 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:06:21,096 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_909e1327-b91f-4514-950f-91f123438fc0/sv-benchmarks/c/recursive-simple/fibo_2calls_2-1.c[946,959] [2021-10-15 20:06:21,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:06:21,124 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:06:21,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21 WrapperNode [2021-10-15 20:06:21,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:06:21,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:06:21,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:06:21,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:06:21,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:06:21,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:06:21,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:06:21,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:06:21,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:06:21,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:06:21,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:06:21,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:06:21,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (1/1) ... [2021-10-15 20:06:21,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:06:21,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:06:21,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:06:21,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:06:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:06:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 20:06:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 20:06:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:06:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 20:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 20:06:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:06:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:06:21,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:06:21,621 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 20:06:21,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:06:21 BoogieIcfgContainer [2021-10-15 20:06:21,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:06:21,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:06:21,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:06:21,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:06:21,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:06:20" (1/3) ... [2021-10-15 20:06:21,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e11b2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:06:21, skipping insertion in model container [2021-10-15 20:06:21,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:21" (2/3) ... [2021-10-15 20:06:21,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e11b2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:06:21, skipping insertion in model container [2021-10-15 20:06:21,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:06:21" (3/3) ... [2021-10-15 20:06:21,632 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_2-1.c [2021-10-15 20:06:21,638 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:06:21,638 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:06:21,686 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:06:21,693 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 20:06:21,694 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:06:21,701 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 20:06:21,706 INFO L168 Benchmark]: Toolchain (without parser) took 872.83 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 35.1 MB in the beginning and 46.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:21,707 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 38.0 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:06:21,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.91 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 40.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:21,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.66 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 40.4 MB in the beginning and 61.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:21,711 INFO L168 Benchmark]: Boogie Preprocessor took 48.04 ms. Allocated memory is still 77.6 MB. Free memory was 61.8 MB in the beginning and 60.9 MB in the end (delta: 959.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:21,712 INFO L168 Benchmark]: RCFGBuilder took 403.11 ms. Allocated memory is still 77.6 MB. Free memory was 60.7 MB in the beginning and 50.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:21,713 INFO L168 Benchmark]: TraceAbstraction took 78.36 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 46.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:06:21,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 38.0 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.91 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 40.6 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.66 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 40.4 MB in the beginning and 61.8 MB in the end (delta: -21.4 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.04 ms. Allocated memory is still 77.6 MB. Free memory was 61.8 MB in the beginning and 60.9 MB in the end (delta: 959.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 403.11 ms. Allocated memory is still 77.6 MB. Free memory was 60.7 MB in the beginning and 50.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 78.36 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 46.2 MB in the end (delta: 4.3 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 20:06:21,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_909e1327-b91f-4514-950f-91f123438fc0/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...