./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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 029d85df21dda5501a92813bcb1234093dd4e34e ........................................................................................................................................................................................................................... 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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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 029d85df21dda5501a92813bcb1234093dd4e34e ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:53:44,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:53:44,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:53:44,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:53:44,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:53:44,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:53:44,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:53:44,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:53:44,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:53:44,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:53:44,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:53:44,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:53:44,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:53:44,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:53:44,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:53:44,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:53:44,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:53:44,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:53:44,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:53:44,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:53:44,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:53:44,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:53:44,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:53:44,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:53:44,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:53:44,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:53:44,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:53:44,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:53:44,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:53:44,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:53:44,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:53:44,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:53:44,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:53:44,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:53:44,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:53:44,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:53:44,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:53:44,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:53:44,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:53:44,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:53:44,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:53:44,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:53:44,386 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:53:44,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:53:44,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:53:44,387 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:53:44,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:53:44,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:53:44,395 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:53:44,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:53:44,396 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:53:44,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:53:44,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:53:44,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:53:44,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:53:44,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:53:44,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:53:44,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:53:44,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:53:44,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:53:44,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:53:44,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:53:44,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:53:44,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:53:44,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:44,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:53:44,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:53:44,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:53:44,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:53:44,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:53:44,401 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:53:44,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:53:44,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:53:44,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:53:44,403 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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 029d85df21dda5501a92813bcb1234093dd4e34e [2021-10-15 19:53:44,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:53:44,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:53:44,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:53:44,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:53:44,734 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:53:44,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-10-15 19:53:44,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/9303ef019/c81198e335304095bf9cc68becbfd83f/FLAG0afcb44f8 [2021-10-15 19:53:45,257 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:53:45,258 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-10-15 19:53:45,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/9303ef019/c81198e335304095bf9cc68becbfd83f/FLAG0afcb44f8 [2021-10-15 19:53:45,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/9303ef019/c81198e335304095bf9cc68becbfd83f [2021-10-15 19:53:45,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:53:45,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:53:45,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:45,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:53:45,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:53:45,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270413db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45, skipping insertion in model container [2021-10-15 19:53:45,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:53:45,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:53:45,829 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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-10-15 19:53:45,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:45,840 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:53:45,861 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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-10-15 19:53:45,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:45,876 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:53:45,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45 WrapperNode [2021-10-15 19:53:45,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:45,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:45,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:53:45,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:53:45,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:45,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:53:45,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:53:45,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:53:45,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:53:45,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:53:45,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:53:45,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:53:45,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (1/1) ... [2021-10-15 19:53:45,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:45,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:53:45,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:53:45,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:53:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:53:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:53:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:53:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-15 19:53:46,001 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-15 19:53:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:53:46,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:53:46,185 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:53:46,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:46 BoogieIcfgContainer [2021-10-15 19:53:46,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:53:46,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:53:46,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:53:46,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:53:46,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:53:45" (1/3) ... [2021-10-15 19:53:46,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d64d37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:46, skipping insertion in model container [2021-10-15 19:53:46,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:45" (2/3) ... [2021-10-15 19:53:46,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d64d37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:46, skipping insertion in model container [2021-10-15 19:53:46,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:46" (3/3) ... [2021-10-15 19:53:46,195 INFO L111 eAbstractionObserver]: Analyzing ICFG id_i15_o15-1.c [2021-10-15 19:53:46,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:53:46,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:53:46,249 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:53:46,255 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 19:53:46,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:53:46,263 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Call at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) 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 19:53:46,268 INFO L168 Benchmark]: Toolchain (without parser) took 601.71 ms. Allocated memory is still 90.2 MB. Free memory was 48.6 MB in the beginning and 49.6 MB in the end (delta: -1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:46,269 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:46,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.23 ms. Allocated memory is still 90.2 MB. Free memory was 48.4 MB in the beginning and 65.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:46,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.51 ms. Allocated memory is still 90.2 MB. Free memory was 65.4 MB in the beginning and 64.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:46,272 INFO L168 Benchmark]: Boogie Preprocessor took 17.50 ms. Allocated memory is still 90.2 MB. Free memory was 64.0 MB in the beginning and 63.2 MB in the end (delta: 825.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:46,273 INFO L168 Benchmark]: RCFGBuilder took 262.13 ms. Allocated memory is still 90.2 MB. Free memory was 63.0 MB in the beginning and 54.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:46,274 INFO L168 Benchmark]: TraceAbstraction took 77.73 ms. Allocated memory is still 90.2 MB. Free memory was 53.9 MB in the beginning and 49.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:46,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 206.23 ms. Allocated memory is still 90.2 MB. Free memory was 48.4 MB in the beginning and 65.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.51 ms. Allocated memory is still 90.2 MB. Free memory was 65.4 MB in the beginning and 64.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.50 ms. Allocated memory is still 90.2 MB. Free memory was 64.0 MB in the beginning and 63.2 MB in the end (delta: 825.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 262.13 ms. Allocated memory is still 90.2 MB. Free memory was 63.0 MB in the beginning and 54.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 77.73 ms. Allocated memory is still 90.2 MB. Free memory was 53.9 MB in the beginning and 49.6 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 Call de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Call: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:53:46,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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 19:53:48,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:53:48,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:53:48,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:53:48,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:53:48,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:53:48,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:53:48,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:53:48,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:53:48,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:53:48,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:53:48,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:53:48,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:53:48,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:53:48,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:53:48,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:53:48,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:53:48,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:53:48,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:53:48,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:53:48,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:53:48,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:53:48,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:53:48,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:53:48,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:53:48,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:53:48,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:53:48,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:53:48,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:53:48,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:53:48,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:53:48,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:53:48,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:53:48,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:53:48,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:53:48,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:53:48,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:53:48,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:53:48,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:53:48,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:53:48,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:53:48,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:53:48,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:53:48,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:53:48,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:53:48,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:53:48,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:53:48,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:53:48,887 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:53:48,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:53:48,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:53:48,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:53:48,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:53:48,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:53:48,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:53:48,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:53:48,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:53:48,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:53:48,890 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:53:48,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:53:48,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:53:48,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:53:48,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:53:48,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:53:48,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:53:48,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:48,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:53:48,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:53:48,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:53:48,893 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:53:48,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:53:48,893 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:53:48,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:53:48,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:53:48,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:53:48,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:53:48,895 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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 029d85df21dda5501a92813bcb1234093dd4e34e [2021-10-15 19:53:49,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:53:49,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:53:49,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:53:49,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:53:49,369 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:53:49,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-10-15 19:53:49,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/2a01c792d/86ba1d8763da4c5b8cb1e3830f53d41d/FLAGa2f1742e5 [2021-10-15 19:53:49,960 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:53:49,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-10-15 19:53:49,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/2a01c792d/86ba1d8763da4c5b8cb1e3830f53d41d/FLAGa2f1742e5 [2021-10-15 19:53:50,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/data/2a01c792d/86ba1d8763da4c5b8cb1e3830f53d41d [2021-10-15 19:53:50,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:53:50,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:53:50,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:50,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:53:50,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:53:50,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276cac71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50, skipping insertion in model container [2021-10-15 19:53:50,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:53:50,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:53:50,448 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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-10-15 19:53:50,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:50,464 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:53:50,479 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_b87e1e22-6d34-45c4-959e-ab6dec6c30de/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-10-15 19:53:50,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:53:50,495 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:53:50,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50 WrapperNode [2021-10-15 19:53:50,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:53:50,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:50,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:53:50,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:53:50,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:53:50,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:53:50,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:53:50,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:53:50,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:53:50,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:53:50,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:53:50,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:53:50,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (1/1) ... [2021-10-15 19:53:50,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:53:50,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:53:50,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:53:50,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:53:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:53:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:53:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:53:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-15 19:53:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-15 19:53:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:53:50,923 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:53:50,923 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:53:50,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:50 BoogieIcfgContainer [2021-10-15 19:53:50,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:53:50,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:53:50,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:53:50,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:53:50,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:53:50" (1/3) ... [2021-10-15 19:53:50,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655776cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:50, skipping insertion in model container [2021-10-15 19:53:50,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:53:50" (2/3) ... [2021-10-15 19:53:50,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655776cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:53:50, skipping insertion in model container [2021-10-15 19:53:50,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:53:50" (3/3) ... [2021-10-15 19:53:50,951 INFO L111 eAbstractionObserver]: Analyzing ICFG id_i15_o15-1.c [2021-10-15 19:53:50,956 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:53:50,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:53:51,005 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:53:51,013 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 19:53:51,013 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:53:51,021 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Call at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) 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 19:53:51,026 INFO L168 Benchmark]: Toolchain (without parser) took 733.49 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 32.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:51,026 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:51,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.68 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 30.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:51,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.41 ms. Allocated memory is still 60.8 MB. Free memory was 30.8 MB in the beginning and 29.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:51,029 INFO L168 Benchmark]: Boogie Preprocessor took 21.15 ms. Allocated memory is still 60.8 MB. Free memory was 29.4 MB in the beginning and 28.4 MB in the end (delta: 923.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:53:51,045 INFO L168 Benchmark]: RCFGBuilder took 372.75 ms. Allocated memory is still 60.8 MB. Free memory was 28.3 MB in the beginning and 36.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:51,047 INFO L168 Benchmark]: TraceAbstraction took 95.34 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 32.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:53:51,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 203.68 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 30.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.41 ms. Allocated memory is still 60.8 MB. Free memory was 30.8 MB in the beginning and 29.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.15 ms. Allocated memory is still 60.8 MB. Free memory was 29.4 MB in the beginning and 28.4 MB in the end (delta: 923.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 372.75 ms. Allocated memory is still 60.8 MB. Free memory was 28.3 MB in the beginning and 36.8 MB in the end (delta: -8.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 95.34 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 32.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Call: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:53:51,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b87e1e22-6d34-45c4-959e-ab6dec6c30de/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...