./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec-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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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 5ef17aa1c9651b69615437dbc30c973e58ddb6de ........................................................................................................................................................................................................................... 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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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 5ef17aa1c9651b69615437dbc30c973e58ddb6de ............................................................................................................................................................................................................................. 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 19:06:08,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:06:08,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:06:08,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:06:08,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:06:08,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:06:08,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:06:08,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:06:08,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:06:08,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:06:08,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:06:08,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:06:08,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:06:08,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:06:08,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:06:08,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:06:08,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:06:08,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:06:08,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:06:08,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:06:08,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:06:08,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:06:08,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:06:08,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:06:08,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:06:08,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:06:08,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:06:08,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:06:08,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:06:08,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:06:08,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:06:08,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:06:08,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:06:08,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:06:08,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:06:08,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:06:08,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:06:08,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:06:08,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:06:08,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:06:08,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:06:08,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:06:08,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:06:08,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:06:08,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:06:08,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:06:08,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:06:08,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:06:08,568 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:06:08,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:06:08,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:06:08,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:06:08,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:06:08,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:06:08,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:06:08,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:06:08,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:06:08,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:06:08,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:06:08,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:06:08,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:06:08,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:06:08,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:06:08,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:06:08,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:06:08,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:06:08,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:06:08,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:06:08,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:06:08,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:06:08,575 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:06:08,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:06:08,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:06:08,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:06:08,578 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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ef17aa1c9651b69615437dbc30c973e58ddb6de [2021-10-15 19:06:08,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:06:08,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:06:08,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:06:08,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:06:08,918 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:06:08,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/afterrec-2.c [2021-10-15 19:06:08,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/c08af4ba7/9ecdbd8565e04cb5abdabbffc6b89b71/FLAGa91a48b52 [2021-10-15 19:06:09,421 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:06:09,422 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/sv-benchmarks/c/recursive-simple/afterrec-2.c [2021-10-15 19:06:09,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/c08af4ba7/9ecdbd8565e04cb5abdabbffc6b89b71/FLAGa91a48b52 [2021-10-15 19:06:09,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/c08af4ba7/9ecdbd8565e04cb5abdabbffc6b89b71 [2021-10-15 19:06:09,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:06:09,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:06:09,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:06:09,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:06:09,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:06:09,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:09" (1/1) ... [2021-10-15 19:06:09,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0a4255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:09, skipping insertion in model container [2021-10-15 19:06:09,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:09" (1/1) ... [2021-10-15 19:06:09,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:06:09,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:06:10,127 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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2021-10-15 19:06:10,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:06:10,150 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:06:10,165 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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2021-10-15 19:06:10,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:06:10,182 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:06:10,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10 WrapperNode [2021-10-15 19:06:10,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:06:10,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:06:10,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:06:10,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:06:10,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:06:10,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:06:10,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:06:10,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:06:10,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:06:10,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:06:10,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:06:10,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:06:10,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (1/1) ... [2021-10-15 19:06:10,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:06:10,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:06:10,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:06:10,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:06:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-15 19:06:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-15 19:06:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:06:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:06:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:06:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:06:10,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:06:10,478 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:06:10,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:10 BoogieIcfgContainer [2021-10-15 19:06:10,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:06:10,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:06:10,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:06:10,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:06:10,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:06:09" (1/3) ... [2021-10-15 19:06:10,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797edef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:06:10, skipping insertion in model container [2021-10-15 19:06:10,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10" (2/3) ... [2021-10-15 19:06:10,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797edef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:06:10, skipping insertion in model container [2021-10-15 19:06:10,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:10" (3/3) ... [2021-10-15 19:06:10,493 INFO L111 eAbstractionObserver]: Analyzing ICFG afterrec-2.c [2021-10-15 19:06:10,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:06:10,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:06:10,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:06:10,554 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 19:06:10,554 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:06:10,562 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 19:06:10,566 INFO L168 Benchmark]: Toolchain (without parser) took 692.79 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 74.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:10,566 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 115.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:06:10,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.15 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 90.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:10,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.48 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:06:10,569 INFO L168 Benchmark]: Boogie Preprocessor took 23.24 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 88.2 MB in the end (delta: 873.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:06:10,571 INFO L168 Benchmark]: RCFGBuilder took 240.60 ms. Allocated memory is still 115.3 MB. Free memory was 88.2 MB in the beginning and 79.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:10,572 INFO L168 Benchmark]: TraceAbstraction took 80.09 ms. Allocated memory is still 115.3 MB. Free memory was 79.1 MB in the beginning and 74.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:10,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 115.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.15 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 90.4 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.48 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.24 ms. Allocated memory is still 115.3 MB. Free memory was 89.1 MB in the beginning and 88.2 MB in the end (delta: 873.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 240.60 ms. Allocated memory is still 115.3 MB. Free memory was 88.2 MB in the beginning and 79.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 80.09 ms. Allocated memory is still 115.3 MB. Free memory was 79.1 MB in the beginning and 74.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Return: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:06:10,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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 19:06:13,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:06:13,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:06:13,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:06:13,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:06:13,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:06:13,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:06:13,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:06:13,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:06:13,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:06:13,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:06:13,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:06:13,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:06:13,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:06:13,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:06:13,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:06:13,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:06:13,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:06:13,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:06:13,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:06:13,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:06:13,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:06:13,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:06:13,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:06:13,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:06:13,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:06:13,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:06:13,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:06:13,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:06:13,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:06:13,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:06:13,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:06:13,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:06:13,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:06:13,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:06:13,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:06:13,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:06:13,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:06:13,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:06:13,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:06:13,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:06:13,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:06:13,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:06:13,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:06:13,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:06:13,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:06:13,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:06:13,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:06:13,335 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:06:13,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:06:13,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:06:13,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:06:13,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:06:13,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:06:13,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:06:13,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:06:13,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:06:13,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:06:13,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:06:13,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:06:13,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:06:13,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:06:13,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:06:13,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:06:13,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:06:13,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:06:13,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:06:13,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:06:13,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:06:13,341 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:06:13,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:06:13,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:06:13,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:06:13,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:06:13,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:06:13,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:06:13,343 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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ef17aa1c9651b69615437dbc30c973e58ddb6de [2021-10-15 19:06:13,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:06:13,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:06:13,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:06:13,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:06:13,778 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:06:13,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/afterrec-2.c [2021-10-15 19:06:13,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/e42cf75e5/7b4b3761daed441a8575da49c78c9ef0/FLAGb19cf4f06 [2021-10-15 19:06:14,337 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:06:14,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/sv-benchmarks/c/recursive-simple/afterrec-2.c [2021-10-15 19:06:14,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/e42cf75e5/7b4b3761daed441a8575da49c78c9ef0/FLAGb19cf4f06 [2021-10-15 19:06:14,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/data/e42cf75e5/7b4b3761daed441a8575da49c78c9ef0 [2021-10-15 19:06:14,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:06:14,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:06:14,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:06:14,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:06:14,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:06:14,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:14,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37010df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14, skipping insertion in model container [2021-10-15 19:06:14,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:14,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:06:14,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:06:14,882 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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2021-10-15 19:06:14,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:06:14,899 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:06:14,913 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_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331] [2021-10-15 19:06:14,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:06:14,937 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:06:14,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14 WrapperNode [2021-10-15 19:06:14,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:06:14,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:06:14,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:06:14,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:06:14,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:14,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:06:15,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:06:15,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:06:15,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:06:15,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:06:15,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:06:15,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:06:15,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:06:15,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:15,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:06:15,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:06:15,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:06:15,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:06:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-10-15 19:06:15,164 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-10-15 19:06:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:06:15,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:06:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:06:15,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:06:15,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:06:15,421 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:06:15,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:15 BoogieIcfgContainer [2021-10-15 19:06:15,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:06:15,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:06:15,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:06:15,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:06:15,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:06:14" (1/3) ... [2021-10-15 19:06:15,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53040442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:06:15, skipping insertion in model container [2021-10-15 19:06:15,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (2/3) ... [2021-10-15 19:06:15,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53040442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:06:15, skipping insertion in model container [2021-10-15 19:06:15,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:15" (3/3) ... [2021-10-15 19:06:15,438 INFO L111 eAbstractionObserver]: Analyzing ICFG afterrec-2.c [2021-10-15 19:06:15,445 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:06:15,445 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:06:15,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:06:15,523 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 19:06:15,523 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:06:15,533 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 19:06:15,540 INFO L168 Benchmark]: Toolchain (without parser) took 810.14 ms. Allocated memory is still 58.7 MB. Free memory was 36.3 MB in the beginning and 27.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:15,542 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 38.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:06:15,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.58 ms. Allocated memory is still 58.7 MB. Free memory was 36.1 MB in the beginning and 42.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:15,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.96 ms. Allocated memory is still 58.7 MB. Free memory was 42.6 MB in the beginning and 41.8 MB in the end (delta: 715.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:15,546 INFO L168 Benchmark]: Boogie Preprocessor took 22.23 ms. Allocated memory is still 58.7 MB. Free memory was 41.8 MB in the beginning and 40.9 MB in the end (delta: 914.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:06:15,548 INFO L168 Benchmark]: RCFGBuilder took 369.50 ms. Allocated memory is still 58.7 MB. Free memory was 40.9 MB in the beginning and 31.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:15,549 INFO L168 Benchmark]: TraceAbstraction took 112.15 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 27.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:06:15,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 38.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 208.58 ms. Allocated memory is still 58.7 MB. Free memory was 36.1 MB in the beginning and 42.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.96 ms. Allocated memory is still 58.7 MB. Free memory was 42.6 MB in the beginning and 41.8 MB in the end (delta: 715.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.23 ms. Allocated memory is still 58.7 MB. Free memory was 41.8 MB in the beginning and 40.9 MB in the end (delta: 914.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 369.50 ms. Allocated memory is still 58.7 MB. Free memory was 40.9 MB in the beginning and 31.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 112.15 ms. Allocated memory is still 58.7 MB. Free memory was 31.5 MB in the beginning and 27.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Return: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:06:15,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_328a3eee-eb90-4af2-b86e-6f5dea0a3dcf/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...