./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.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_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/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_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/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_997445b5-4a1c-4c89-abe6-83b15044dc9d/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 439e4d70fe23f2bf7943cc2e9f64cf9e8b50ee95 ............................................................................................................................................................................................................................. 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_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/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_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/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_997445b5-4a1c-4c89-abe6-83b15044dc9d/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 439e4d70fe23f2bf7943cc2e9f64cf9e8b50ee95 ............................................................................................................................................................................................................................... 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 19:16:52,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:16:52,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:16:52,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:16:52,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:16:52,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:16:52,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:16:52,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:16:52,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:16:52,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:16:52,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:16:52,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:16:52,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:16:52,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:16:52,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:16:52,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:16:52,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:16:52,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:16:52,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:16:52,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:16:52,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:16:52,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:16:52,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:16:52,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:16:52,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:16:52,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:16:52,992 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:16:52,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:16:52,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:16:52,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:16:53,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:16:53,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:16:53,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:16:53,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:16:53,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:16:53,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:16:53,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:16:53,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:16:53,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:16:53,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:16:53,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:16:53,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:16:53,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:16:53,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:16:53,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:16:53,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:16:53,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:16:53,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:16:53,059 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:16:53,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:16:53,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:16:53,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:16:53,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:16:53,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:16:53,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:16:53,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:16:53,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:16:53,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:16:53,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:16:53,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:16:53,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:16:53,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:16:53,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:16:53,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:16:53,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:53,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:16:53,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:16:53,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:16:53,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:16:53,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:16:53,065 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:16:53,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:16:53,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:16:53,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:16:53,067 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_997445b5-4a1c-4c89-abe6-83b15044dc9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 439e4d70fe23f2bf7943cc2e9f64cf9e8b50ee95 [2021-10-15 19:16:53,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:16:53,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:16:53,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:16:53,381 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:16:53,382 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:16:53,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2021-10-15 19:16:53,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/a31fdf665/4cb3afd358f742ce9d0dc32c55223fba/FLAGa98c39cad [2021-10-15 19:16:53,982 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:16:53,982 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2021-10-15 19:16:53,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/a31fdf665/4cb3afd358f742ce9d0dc32c55223fba/FLAGa98c39cad [2021-10-15 19:16:54,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/a31fdf665/4cb3afd358f742ce9d0dc32c55223fba [2021-10-15 19:16:54,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:16:54,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:16:54,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:54,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:16:54,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:16:54,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfd0ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54, skipping insertion in model container [2021-10-15 19:16:54,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:16:54,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:16:54,576 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_997445b5-4a1c-4c89-abe6-83b15044dc9d/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2021-10-15 19:16:54,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:54,594 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:16:54,621 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_997445b5-4a1c-4c89-abe6-83b15044dc9d/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2021-10-15 19:16:54,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:54,640 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:16:54,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54 WrapperNode [2021-10-15 19:16:54,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:54,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:54,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:16:54,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:16:54,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:54,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:16:54,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:16:54,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:16:54,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:16:54,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:16:54,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:16:54,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:16:54,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (1/1) ... [2021-10-15 19:16:54,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:16:54,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:16:54,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:16:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:16:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 19:16:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 19:16:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:16:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 19:16:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 19:16:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:16:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:16:55,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:16:55,081 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:16:55,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:55 BoogieIcfgContainer [2021-10-15 19:16:55,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:16:55,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:16:55,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:16:55,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:16:55,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:16:54" (1/3) ... [2021-10-15 19:16:55,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d12096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:55, skipping insertion in model container [2021-10-15 19:16:55,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:54" (2/3) ... [2021-10-15 19:16:55,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d12096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:55, skipping insertion in model container [2021-10-15 19:16:55,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:55" (3/3) ... [2021-10-15 19:16:55,100 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-2.c [2021-10-15 19:16:55,108 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:16:55,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:16:55,182 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:16:55,194 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 19:16:55,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:16:55,209 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 19:16:55,217 INFO L168 Benchmark]: Toolchain (without parser) took 851.60 ms. Allocated memory is still 138.4 MB. Free memory was 108.2 MB in the beginning and 96.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:55,218 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:55,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.61 ms. Allocated memory is still 138.4 MB. Free memory was 107.9 MB in the beginning and 112.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:55,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.47 ms. Allocated memory is still 138.4 MB. Free memory was 112.8 MB in the beginning and 111.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:55,223 INFO L168 Benchmark]: Boogie Preprocessor took 28.83 ms. Allocated memory is still 138.4 MB. Free memory was 111.6 MB in the beginning and 110.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:55,225 INFO L168 Benchmark]: RCFGBuilder took 384.59 ms. Allocated memory is still 138.4 MB. Free memory was 110.6 MB in the beginning and 100.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:55,226 INFO L168 Benchmark]: TraceAbstraction took 126.55 ms. Allocated memory is still 138.4 MB. Free memory was 100.3 MB in the beginning and 96.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:55,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory is still 52.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.61 ms. Allocated memory is still 138.4 MB. Free memory was 107.9 MB in the beginning and 112.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.47 ms. Allocated memory is still 138.4 MB. Free memory was 112.8 MB in the beginning and 111.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.83 ms. Allocated memory is still 138.4 MB. Free memory was 111.6 MB in the beginning and 110.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 384.59 ms. Allocated memory is still 138.4 MB. Free memory was 110.6 MB in the beginning and 100.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 126.55 ms. Allocated memory is still 138.4 MB. Free memory was 100.3 MB in the beginning and 96.1 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 19:16:55,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/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 19:16:58,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:16:58,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:16:58,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:16:58,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:16:58,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:16:58,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:16:58,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:16:58,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:16:58,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:16:58,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:16:58,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:16:58,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:16:58,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:16:58,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:16:58,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:16:58,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:16:58,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:16:58,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:16:58,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:16:58,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:16:58,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:16:58,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:16:58,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:16:58,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:16:58,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:16:58,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:16:58,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:16:58,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:16:58,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:16:58,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:16:58,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:16:58,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:16:58,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:16:58,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:16:58,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:16:58,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:16:58,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:16:58,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:16:58,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:16:58,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:16:58,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:16:58,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:16:58,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:16:58,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:16:58,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:16:58,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:16:58,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:16:58,205 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:16:58,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:16:58,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:16:58,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:16:58,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:16:58,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:16:58,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:16:58,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:16:58,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:16:58,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:16:58,207 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:16:58,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:16:58,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:16:58,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:16:58,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:16:58,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:16:58,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:16:58,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:58,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:16:58,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:16:58,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:16:58,210 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:16:58,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:16:58,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:16:58,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:16:58,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:16:58,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:16:58,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:16:58,211 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_997445b5-4a1c-4c89-abe6-83b15044dc9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 439e4d70fe23f2bf7943cc2e9f64cf9e8b50ee95 [2021-10-15 19:16:58,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:16:58,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:16:58,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:16:58,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:16:58,557 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:16:58,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2021-10-15 19:16:58,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/8562e984d/43b549f47ddc405e9b6945e8c687c4e8/FLAG3366ac1ea [2021-10-15 19:16:59,173 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:16:59,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c [2021-10-15 19:16:59,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/8562e984d/43b549f47ddc405e9b6945e8c687c4e8/FLAG3366ac1ea [2021-10-15 19:16:59,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/data/8562e984d/43b549f47ddc405e9b6945e8c687c4e8 [2021-10-15 19:16:59,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:16:59,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:16:59,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:59,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:16:59,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:16:59,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573f6ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59, skipping insertion in model container [2021-10-15 19:16:59,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:16:59,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:16:59,723 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_997445b5-4a1c-4c89-abe6-83b15044dc9d/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2021-10-15 19:16:59,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:59,739 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:16:59,757 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_997445b5-4a1c-4c89-abe6-83b15044dc9d/sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c[950,963] [2021-10-15 19:16:59,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:59,775 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:16:59,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59 WrapperNode [2021-10-15 19:16:59,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:59,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:59,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:16:59,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:16:59,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:59,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:16:59,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:16:59,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:16:59,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:16:59,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:16:59,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:16:59,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:16:59,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (1/1) ... [2021-10-15 19:16:59,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:59,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:16:59,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:16:59,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:17:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:17:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 19:17:00,004 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 19:17:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:17:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 19:17:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 19:17:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:17:00,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:17:00,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:17:00,269 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:17:00,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:17:00 BoogieIcfgContainer [2021-10-15 19:17:00,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:17:00,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:17:00,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:17:00,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:17:00,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:16:59" (1/3) ... [2021-10-15 19:17:00,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbc0e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:17:00, skipping insertion in model container [2021-10-15 19:17:00,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:59" (2/3) ... [2021-10-15 19:17:00,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbc0e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:17:00, skipping insertion in model container [2021-10-15 19:17:00,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:17:00" (3/3) ... [2021-10-15 19:17:00,288 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-2.c [2021-10-15 19:17:00,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:17:00,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:17:00,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:17:00,380 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 19:17:00,381 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:17:00,397 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 19:17:00,406 INFO L168 Benchmark]: Toolchain (without parser) took 863.69 ms. Allocated memory is still 58.7 MB. Free memory was 36.8 MB in the beginning and 26.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:00,407 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:17:00,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.20 ms. Allocated memory is still 58.7 MB. Free memory was 36.7 MB in the beginning and 26.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:00,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.30 ms. Allocated memory is still 58.7 MB. Free memory was 26.7 MB in the beginning and 41.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:00,410 INFO L168 Benchmark]: Boogie Preprocessor took 43.25 ms. Allocated memory is still 58.7 MB. Free memory was 41.7 MB in the beginning and 40.7 MB in the end (delta: 991.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:17:00,412 INFO L168 Benchmark]: RCFGBuilder took 390.05 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 30.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:00,413 INFO L168 Benchmark]: TraceAbstraction took 127.03 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 26.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:00,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 40.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.20 ms. Allocated memory is still 58.7 MB. Free memory was 36.7 MB in the beginning and 26.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.30 ms. Allocated memory is still 58.7 MB. Free memory was 26.7 MB in the beginning and 41.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.25 ms. Allocated memory is still 58.7 MB. Free memory was 41.7 MB in the beginning and 40.7 MB in the end (delta: 991.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 390.05 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 30.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 127.03 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 26.0 MB in the end (delta: 4.4 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 19:17:00,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997445b5-4a1c-4c89-abe6-83b15044dc9d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...