./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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 f684876205455ff045e7b27eb3c5cbf35fa59fa1 ............................................................................................................................................................................................................................. 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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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 f684876205455ff045e7b27eb3c5cbf35fa59fa1 ............................................................................................................................................................................................................................... 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 19:30:10,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:30:10,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:30:10,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:30:10,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:30:10,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:30:10,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:30:10,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:30:10,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:30:10,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:30:10,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:30:10,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:30:10,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:30:10,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:30:10,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:30:10,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:30:10,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:30:10,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:30:10,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:30:10,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:30:10,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:30:10,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:30:10,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:30:10,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:30:10,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:30:10,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:30:10,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:30:10,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:30:10,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:30:10,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:30:10,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:30:10,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:30:10,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:30:10,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:30:10,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:30:10,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:30:10,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:30:10,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:30:10,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:30:10,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:30:10,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:30:10,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:30:10,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:30:10,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:30:10,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:30:10,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:30:10,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:30:10,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:30:10,599 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:30:10,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:30:10,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:30:10,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:30:10,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:30:10,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:30:10,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:30:10,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:30:10,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:30:10,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:30:10,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:30:10,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:30:10,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:30:10,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:30:10,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:30:10,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:30:10,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:30:10,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:30:10,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:30:10,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:30:10,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:30:10,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:30:10,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:30:10,612 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:30:10,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:30:10,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:30:10,613 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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f684876205455ff045e7b27eb3c5cbf35fa59fa1 [2021-10-15 19:30:10,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:30:10,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:30:10,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:30:10,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:30:10,993 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:30:10,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2021-10-15 19:30:11,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/e9e0376e5/1b216196141d49c4b1df56f8bf44ee87/FLAG82c9d931b [2021-10-15 19:30:11,691 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:30:11,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2021-10-15 19:30:11,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/e9e0376e5/1b216196141d49c4b1df56f8bf44ee87/FLAG82c9d931b [2021-10-15 19:30:12,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/e9e0376e5/1b216196141d49c4b1df56f8bf44ee87 [2021-10-15 19:30:12,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:30:12,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:30:12,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:30:12,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:30:12,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:30:12,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1569b4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12, skipping insertion in model container [2021-10-15 19:30:12,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:30:12,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:30:12,296 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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c[946,959] [2021-10-15 19:30:12,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:30:12,314 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:30:12,337 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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c[946,959] [2021-10-15 19:30:12,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:30:12,355 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:30:12,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12 WrapperNode [2021-10-15 19:30:12,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:30:12,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:30:12,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:30:12,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:30:12,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:30:12,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:30:12,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:30:12,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:30:12,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:30:12,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:30:12,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:30:12,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:30:12,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (1/1) ... [2021-10-15 19:30:12,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:30:12,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:30:12,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:30:12,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:30:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:30:12,521 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 19:30:12,522 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 19:30:12,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:30:12,522 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 19:30:12,523 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 19:30:12,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:30:12,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:30:12,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:30:12,806 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:30:12,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:30:12 BoogieIcfgContainer [2021-10-15 19:30:12,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:30:12,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:30:12,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:30:12,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:30:12,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:30:12" (1/3) ... [2021-10-15 19:30:12,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e21856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:30:12, skipping insertion in model container [2021-10-15 19:30:12,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:12" (2/3) ... [2021-10-15 19:30:12,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e21856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:30:12, skipping insertion in model container [2021-10-15 19:30:12,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:30:12" (3/3) ... [2021-10-15 19:30:12,818 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-2.c [2021-10-15 19:30:12,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:30:12,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:30:12,896 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:30:12,919 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 19:30:12,920 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:30:12,929 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 19:30:12,943 INFO L168 Benchmark]: Toolchain (without parser) took 903.31 ms. Allocated memory is still 107.0 MB. Free memory was 69.3 MB in the beginning and 64.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:12,949 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 59.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:30:12,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.45 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 81.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:12,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.29 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:12,953 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 79.6 MB in the end (delta: 983.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:30:12,954 INFO L168 Benchmark]: RCFGBuilder took 395.12 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 69.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:12,957 INFO L168 Benchmark]: TraceAbstraction took 129.73 ms. Allocated memory is still 107.0 MB. Free memory was 69.3 MB in the beginning and 64.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:12,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 59.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 318.45 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 81.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.29 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.87 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 79.6 MB in the end (delta: 983.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 395.12 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 69.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 129.73 ms. Allocated memory is still 107.0 MB. Free memory was 69.3 MB in the beginning and 64.8 MB in the end (delta: 4.5 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 19:30:13,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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 19:30:15,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:30:15,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:30:15,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:30:15,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:30:15,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:30:15,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:30:15,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:30:15,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:30:15,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:30:15,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:30:15,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:30:15,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:30:15,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:30:15,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:30:15,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:30:15,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:30:15,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:30:15,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:30:15,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:30:15,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:30:15,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:30:15,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:30:15,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:30:15,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:30:15,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:30:15,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:30:15,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:30:15,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:30:15,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:30:15,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:30:15,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:30:15,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:30:15,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:30:15,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:30:15,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:30:15,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:30:15,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:30:15,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:30:15,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:30:15,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:30:15,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:30:15,774 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:30:15,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:30:15,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:30:15,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:30:15,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:30:15,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:30:15,778 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:30:15,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:30:15,778 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:30:15,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:30:15,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:30:15,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:30:15,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:30:15,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:30:15,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:30:15,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:30:15,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:30:15,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:30:15,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:30:15,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:30:15,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:30:15,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:30:15,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:30:15,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:30:15,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:30:15,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:30:15,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:30:15,784 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:30:15,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:30:15,784 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:30:15,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:30:15,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:30:15,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:30:15,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:30:15,786 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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f684876205455ff045e7b27eb3c5cbf35fa59fa1 [2021-10-15 19:30:16,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:30:16,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:30:16,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:30:16,294 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:30:16,295 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:30:16,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2021-10-15 19:30:16,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/869c1fcb9/4e2e77ec7a184c46b393c4a5bdfbb64b/FLAG2c79e31fe [2021-10-15 19:30:17,127 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:30:17,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c [2021-10-15 19:30:17,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/869c1fcb9/4e2e77ec7a184c46b393c4a5bdfbb64b/FLAG2c79e31fe [2021-10-15 19:30:17,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/data/869c1fcb9/4e2e77ec7a184c46b393c4a5bdfbb64b [2021-10-15 19:30:17,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:30:17,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:30:17,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:30:17,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:30:17,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:30:17,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8874bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17, skipping insertion in model container [2021-10-15 19:30:17,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:30:17,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:30:17,684 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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c[946,959] [2021-10-15 19:30:17,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:30:17,704 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:30:17,724 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_633391ed-75e2-47e0-9a4c-0b8a377d95ca/sv-benchmarks/c/recursive-simple/fibo_2calls_4-2.c[946,959] [2021-10-15 19:30:17,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:30:17,762 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:30:17,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17 WrapperNode [2021-10-15 19:30:17,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:30:17,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:30:17,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:30:17,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:30:17,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:30:17,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:30:17,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:30:17,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:30:17,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:30:17,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:30:17,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:30:17,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:30:17,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (1/1) ... [2021-10-15 19:30:17,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:30:17,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:30:17,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:30:17,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:30:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:30:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2021-10-15 19:30:18,018 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2021-10-15 19:30:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:30:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2021-10-15 19:30:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2021-10-15 19:30:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:30:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:30:18,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:30:18,327 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:30:18,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:30:18 BoogieIcfgContainer [2021-10-15 19:30:18,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:30:18,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:30:18,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:30:18,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:30:18,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:30:17" (1/3) ... [2021-10-15 19:30:18,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a18219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:30:18, skipping insertion in model container [2021-10-15 19:30:18,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:30:17" (2/3) ... [2021-10-15 19:30:18,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a18219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:30:18, skipping insertion in model container [2021-10-15 19:30:18,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:30:18" (3/3) ... [2021-10-15 19:30:18,344 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-2.c [2021-10-15 19:30:18,350 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:30:18,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:30:18,426 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:30:18,440 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 19:30:18,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:30:18,457 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 19:30:18,467 INFO L168 Benchmark]: Toolchain (without parser) took 984.81 ms. Allocated memory is still 65.0 MB. Free memory was 41.3 MB in the beginning and 32.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:18,468 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:30:18,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.33 ms. Allocated memory is still 65.0 MB. Free memory was 41.1 MB in the beginning and 48.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:18,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.83 ms. Allocated memory is still 65.0 MB. Free memory was 48.5 MB in the beginning and 48.2 MB in the end (delta: 262.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:18,472 INFO L168 Benchmark]: Boogie Preprocessor took 49.90 ms. Allocated memory is still 65.0 MB. Free memory was 48.2 MB in the beginning and 47.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:30:18,473 INFO L168 Benchmark]: RCFGBuilder took 431.34 ms. Allocated memory is still 65.0 MB. Free memory was 47.1 MB in the beginning and 37.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:18,475 INFO L168 Benchmark]: TraceAbstraction took 129.85 ms. Allocated memory is still 65.0 MB. Free memory was 36.8 MB in the beginning and 32.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:30:18,486 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 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.33 ms. Allocated memory is still 65.0 MB. Free memory was 41.1 MB in the beginning and 48.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.83 ms. Allocated memory is still 65.0 MB. Free memory was 48.5 MB in the beginning and 48.2 MB in the end (delta: 262.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.90 ms. Allocated memory is still 65.0 MB. Free memory was 48.2 MB in the beginning and 47.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 431.34 ms. Allocated memory is still 65.0 MB. Free memory was 47.1 MB in the beginning and 37.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 129.85 ms. Allocated memory is still 65.0 MB. Free memory was 36.8 MB in the beginning and 32.4 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 19:30:18,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_633391ed-75e2-47e0-9a4c-0b8a377d95ca/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...