./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_o10.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_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/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_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/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_7a02e02d-d054-44f1-93f7-7e4ae268416c/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 588393c4cc7a9592019e246f0b8ee7264f8dd86a ........................................................................................................................................................................................................................... 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_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/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_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/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_7a02e02d-d054-44f1-93f7-7e4ae268416c/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 588393c4cc7a9592019e246f0b8ee7264f8dd86a ............................................................................................................................................................................................................................. 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 19:36:31,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:36:31,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:36:31,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:36:31,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:36:31,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:36:31,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:36:31,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:36:31,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:36:31,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:36:31,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:36:31,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:36:31,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:36:31,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:36:31,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:36:31,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:36:31,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:36:31,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:36:31,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:36:31,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:36:31,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:36:31,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:36:31,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:36:31,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:36:31,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:36:31,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:36:31,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:36:31,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:36:31,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:36:31,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:36:31,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:36:31,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:36:31,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:36:31,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:36:31,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:36:31,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:36:31,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:36:31,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:36:31,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:36:31,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:36:31,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:36:31,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:36:31,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:36:31,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:36:31,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:36:31,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:36:31,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:36:31,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:36:31,324 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:36:31,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:36:31,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:36:31,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:36:31,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:36:31,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:36:31,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:36:31,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:36:31,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:36:31,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:36:31,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:36:31,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:36:31,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:36:31,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:36:31,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:36:31,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:36:31,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:36:31,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:36:31,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:36:31,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:36:31,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:36:31,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:36:31,329 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:36:31,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:36:31,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:36:31,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:36:31,329 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_7a02e02d-d054-44f1-93f7-7e4ae268416c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 588393c4cc7a9592019e246f0b8ee7264f8dd86a [2021-10-15 19:36:31,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:36:31,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:36:31,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:36:31,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:36:31,591 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:36:31,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/id_o10.c [2021-10-15 19:36:31,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/602373a66/8f7a9da2bd754229810938ba3c88d8b6/FLAGab195294b [2021-10-15 19:36:32,091 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:36:32,093 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/sv-benchmarks/c/recursive-simple/id_o10.c [2021-10-15 19:36:32,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/602373a66/8f7a9da2bd754229810938ba3c88d8b6/FLAGab195294b [2021-10-15 19:36:32,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/602373a66/8f7a9da2bd754229810938ba3c88d8b6 [2021-10-15 19:36:32,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:36:32,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:36:32,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:36:32,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:36:32,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:36:32,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cd9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32, skipping insertion in model container [2021-10-15 19:36:32,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:36:32,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:36:32,695 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_7a02e02d-d054-44f1-93f7-7e4ae268416c/sv-benchmarks/c/recursive-simple/id_o10.c[516,529] [2021-10-15 19:36:32,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:36:32,706 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:36:32,719 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_7a02e02d-d054-44f1-93f7-7e4ae268416c/sv-benchmarks/c/recursive-simple/id_o10.c[516,529] [2021-10-15 19:36:32,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:36:32,733 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:36:32,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32 WrapperNode [2021-10-15 19:36:32,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:36:32,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:36:32,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:36:32,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:36:32,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:36:32,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:36:32,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:36:32,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:36:32,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:36:32,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:36:32,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:36:32,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:36:32,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (1/1) ... [2021-10-15 19:36:32,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:36:32,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:36:32,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:36:32,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:36:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:36:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-15 19:36:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-15 19:36:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:36:33,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:36:33,094 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:36:33,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:36:33 BoogieIcfgContainer [2021-10-15 19:36:33,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:36:33,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:36:33,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:36:33,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:36:33,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:36:32" (1/3) ... [2021-10-15 19:36:33,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482958b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:36:33, skipping insertion in model container [2021-10-15 19:36:33,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:32" (2/3) ... [2021-10-15 19:36:33,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482958b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:36:33, skipping insertion in model container [2021-10-15 19:36:33,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:36:33" (3/3) ... [2021-10-15 19:36:33,109 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o10.c [2021-10-15 19:36:33,118 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:36:33,118 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:36:33,176 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:36:33,185 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 19:36:33,185 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:36:33,194 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 19:36:33,199 INFO L168 Benchmark]: Toolchain (without parser) took 724.21 ms. Allocated memory is still 100.7 MB. Free memory was 61.1 MB in the beginning and 61.6 MB in the end (delta: -443.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:36:33,200 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 76.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:36:33,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.69 ms. Allocated memory is still 100.7 MB. Free memory was 60.9 MB in the beginning and 77.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:33,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.48 ms. Allocated memory is still 100.7 MB. Free memory was 77.4 MB in the beginning and 76.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:33,203 INFO L168 Benchmark]: Boogie Preprocessor took 28.13 ms. Allocated memory is still 100.7 MB. Free memory was 76.2 MB in the beginning and 75.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:36:33,204 INFO L168 Benchmark]: RCFGBuilder took 297.24 ms. Allocated memory is still 100.7 MB. Free memory was 75.2 MB in the beginning and 66.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:33,205 INFO L168 Benchmark]: TraceAbstraction took 99.60 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 61.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:33,213 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 100.7 MB. Free memory is still 76.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.69 ms. Allocated memory is still 100.7 MB. Free memory was 60.9 MB in the beginning and 77.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.48 ms. Allocated memory is still 100.7 MB. Free memory was 77.4 MB in the beginning and 76.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.13 ms. Allocated memory is still 100.7 MB. Free memory was 76.2 MB in the beginning and 75.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 297.24 ms. Allocated memory is still 100.7 MB. Free memory was 75.2 MB in the beginning and 66.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 99.60 ms. Allocated memory is still 100.7 MB. Free memory was 65.8 MB in the beginning and 61.6 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 19:36:33,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/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 19:36:35,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:36:35,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:36:35,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:36:35,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:36:35,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:36:35,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:36:35,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:36:35,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:36:35,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:36:35,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:36:35,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:36:35,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:36:35,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:36:35,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:36:35,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:36:35,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:36:35,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:36:35,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:36:35,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:36:35,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:36:35,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:36:35,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:36:35,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:36:35,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:36:35,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:36:35,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:36:35,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:36:35,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:36:35,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:36:35,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:36:35,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:36:35,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:36:35,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:36:35,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:36:35,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:36:35,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:36:35,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:36:35,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:36:35,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:36:35,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:36:35,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:36:35,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:36:35,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:36:35,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:36:35,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:36:35,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:36:35,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:36:35,820 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:36:35,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:36:35,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:36:35,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:36:35,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:36:35,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:36:35,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:36:35,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:36:35,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:36:35,825 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:36:35,825 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:36:35,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:36:35,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:36:35,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:36:35,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:36:35,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:36:35,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:36:35,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:36:35,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:36:35,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:36:35,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:36:35,828 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:36:35,828 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:36:35,828 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:36:35,828 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:36:35,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:36:35,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:36:35,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:36:35,829 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_7a02e02d-d054-44f1-93f7-7e4ae268416c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 588393c4cc7a9592019e246f0b8ee7264f8dd86a [2021-10-15 19:36:36,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:36:36,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:36:36,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:36:36,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:36:36,256 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:36:36,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/id_o10.c [2021-10-15 19:36:36,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/4e671296c/276b7133baee417baa72fdee9a2a575a/FLAG94754ea19 [2021-10-15 19:36:36,829 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:36:36,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/sv-benchmarks/c/recursive-simple/id_o10.c [2021-10-15 19:36:36,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/4e671296c/276b7133baee417baa72fdee9a2a575a/FLAG94754ea19 [2021-10-15 19:36:37,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/data/4e671296c/276b7133baee417baa72fdee9a2a575a [2021-10-15 19:36:37,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:36:37,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:36:37,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:36:37,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:36:37,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:36:37,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768b554c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37, skipping insertion in model container [2021-10-15 19:36:37,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:36:37,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:36:37,444 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_7a02e02d-d054-44f1-93f7-7e4ae268416c/sv-benchmarks/c/recursive-simple/id_o10.c[516,529] [2021-10-15 19:36:37,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:36:37,458 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:36:37,472 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_7a02e02d-d054-44f1-93f7-7e4ae268416c/sv-benchmarks/c/recursive-simple/id_o10.c[516,529] [2021-10-15 19:36:37,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:36:37,485 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:36:37,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37 WrapperNode [2021-10-15 19:36:37,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:36:37,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:36:37,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:36:37,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:36:37,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:36:37,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:36:37,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:36:37,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:36:37,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:36:37,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:36:37,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:36:37,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:36:37,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (1/1) ... [2021-10-15 19:36:37,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:36:37,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:36:37,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:36:37,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:36:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:36:37,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:36:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:36:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-15 19:36:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-15 19:36:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:36:37,923 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:36:37,923 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:36:37,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:36:37 BoogieIcfgContainer [2021-10-15 19:36:37,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:36:37,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:36:37,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:36:37,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:36:37,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:36:37" (1/3) ... [2021-10-15 19:36:37,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4826ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:36:37, skipping insertion in model container [2021-10-15 19:36:37,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:36:37" (2/3) ... [2021-10-15 19:36:37,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4826ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:36:37, skipping insertion in model container [2021-10-15 19:36:37,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:36:37" (3/3) ... [2021-10-15 19:36:37,938 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o10.c [2021-10-15 19:36:37,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:36:37,943 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:36:38,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:36:38,012 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 19:36:38,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:36:38,021 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 19:36:38,027 INFO L168 Benchmark]: Toolchain (without parser) took 793.28 ms. Allocated memory is still 67.1 MB. Free memory was 46.4 MB in the beginning and 35.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:38,028 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 67.1 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:36:38,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.58 ms. Allocated memory is still 67.1 MB. Free memory was 46.2 MB in the beginning and 36.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:38,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 49.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:38,032 INFO L168 Benchmark]: Boogie Preprocessor took 19.40 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.9 MB in the end (delta: 910.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:38,033 INFO L168 Benchmark]: RCFGBuilder took 373.01 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 39.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:38,034 INFO L168 Benchmark]: TraceAbstraction took 98.57 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 35.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:36:38,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 67.1 MB. Free memory is still 47.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.58 ms. Allocated memory is still 67.1 MB. Free memory was 46.2 MB in the beginning and 36.8 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 44.03 ms. Allocated memory is still 67.1 MB. Free memory was 36.6 MB in the beginning and 49.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.40 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.9 MB in the end (delta: 910.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 373.01 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 39.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 98.57 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 35.2 MB in the end (delta: 4.1 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 19:36:38,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a02e02d-d054-44f1-93f7-7e4ae268416c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...