./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/sum_10x0-2.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_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/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_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_10x0-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/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_19fbd60a-9efb-4b66-bdf1-eb981a956634/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 62383dd39c4465d1f3b7424ac172d9121521b446 ........................................................................................................................................................................................................................... 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_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/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_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_10x0-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/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_19fbd60a-9efb-4b66-bdf1-eb981a956634/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 62383dd39c4465d1f3b7424ac172d9121521b446 ............................................................................................................................................................................................................................. 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 20:16:50,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:16:50,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:16:50,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:16:50,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:16:50,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:16:50,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:16:50,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:16:50,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:16:50,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:16:50,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:16:50,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:16:50,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:16:50,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:16:50,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:16:50,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:16:50,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:16:50,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:16:50,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:16:50,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:16:50,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:16:50,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:16:50,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:16:50,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:16:50,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:16:50,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:16:50,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:16:50,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:16:50,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:16:50,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:16:50,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:16:50,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:16:50,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:16:50,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:16:50,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:16:50,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:16:50,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:16:50,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:16:50,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:16:50,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:16:50,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:16:50,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:16:50,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:16:50,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:16:50,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:16:50,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:16:50,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:16:50,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:16:50,539 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:16:50,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:16:50,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:16:50,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:16:50,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:16:50,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:16:50,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:16:50,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:16:50,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:16:50,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:16:50,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:16:50,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:16:50,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:16:50,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:16:50,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:16:50,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:16:50,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:16:50,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:16:50,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:16:50,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:16:50,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:16:50,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:16:50,553 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:16:50,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:16:50,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:16:50,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:16:50,554 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_19fbd60a-9efb-4b66-bdf1-eb981a956634/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62383dd39c4465d1f3b7424ac172d9121521b446 [2021-10-15 20:16:50,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:16:50,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:16:50,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:16:50,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:16:50,921 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:16:50,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2021-10-15 20:16:51,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/a22f8fb37/3f856038fef5446b8395a1a4774f050e/FLAGb6bf243f8 [2021-10-15 20:16:51,527 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:16:51,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2021-10-15 20:16:51,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/a22f8fb37/3f856038fef5446b8395a1a4774f050e/FLAGb6bf243f8 [2021-10-15 20:16:51,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/a22f8fb37/3f856038fef5446b8395a1a4774f050e [2021-10-15 20:16:51,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:16:51,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:16:51,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:16:51,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:16:51,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:16:51,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:16:51" (1/1) ... [2021-10-15 20:16:51,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7e72b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:51, skipping insertion in model container [2021-10-15 20:16:51,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:16:51" (1/1) ... [2021-10-15 20:16:51,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:16:51,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:16:52,090 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_19fbd60a-9efb-4b66-bdf1-eb981a956634/sv-benchmarks/c/recursive-simple/sum_10x0-2.c[481,494] [2021-10-15 20:16:52,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:16:52,101 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:16:52,115 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_19fbd60a-9efb-4b66-bdf1-eb981a956634/sv-benchmarks/c/recursive-simple/sum_10x0-2.c[481,494] [2021-10-15 20:16:52,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:16:52,130 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:16:52,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52 WrapperNode [2021-10-15 20:16:52,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:16:52,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:16:52,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:16:52,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:16:52,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:16:52,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:16:52,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:16:52,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:16:52,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:16:52,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:16:52,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:16:52,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:16:52,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (1/1) ... [2021-10-15 20:16:52,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:16:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:16:52,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:16:52,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:16:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:16:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:16:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-10-15 20:16:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-10-15 20:16:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:16:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:16:52,545 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:16:52,546 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 20:16:52,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:16:52 BoogieIcfgContainer [2021-10-15 20:16:52,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:16:52,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:16:52,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:16:52,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:16:52,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:16:51" (1/3) ... [2021-10-15 20:16:52,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352ea8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:16:52, skipping insertion in model container [2021-10-15 20:16:52,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:52" (2/3) ... [2021-10-15 20:16:52,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352ea8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:16:52, skipping insertion in model container [2021-10-15 20:16:52,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:16:52" (3/3) ... [2021-10-15 20:16:52,562 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_10x0-2.c [2021-10-15 20:16:52,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:16:52,567 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:16:52,613 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:16:52,620 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 20:16:52,621 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:16:52,628 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 20:16:52,633 INFO L168 Benchmark]: Toolchain (without parser) took 729.25 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 55.8 MB in the beginning and 64.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:52,634 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 79.7 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:16:52,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.54 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 55.7 MB in the beginning and 80.0 MB in the end (delta: -24.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:52,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.35 ms. Allocated memory is still 102.8 MB. Free memory was 80.0 MB in the beginning and 78.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:52,637 INFO L168 Benchmark]: Boogie Preprocessor took 19.55 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 77.8 MB in the end (delta: 754.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:16:52,638 INFO L168 Benchmark]: RCFGBuilder took 363.61 ms. Allocated memory is still 102.8 MB. Free memory was 77.7 MB in the beginning and 68.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:52,639 INFO L168 Benchmark]: TraceAbstraction took 79.70 ms. Allocated memory is still 102.8 MB. Free memory was 68.4 MB in the beginning and 64.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:52,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 79.7 MB. Free memory is still 52.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 228.54 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 55.7 MB in the beginning and 80.0 MB in the end (delta: -24.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.35 ms. Allocated memory is still 102.8 MB. Free memory was 80.0 MB in the beginning and 78.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.55 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 77.8 MB in the end (delta: 754.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 363.61 ms. Allocated memory is still 102.8 MB. Free memory was 77.7 MB in the beginning and 68.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 79.70 ms. Allocated memory is still 102.8 MB. Free memory was 68.4 MB in the beginning and 64.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 6.3 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 20:16:52,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:16:55,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:16:55,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:16:55,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:16:55,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:16:55,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:16:55,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:16:55,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:16:55,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:16:55,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:16:55,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:16:55,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:16:55,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:16:55,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:16:55,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:16:55,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:16:55,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:16:55,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:16:55,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:16:55,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:16:55,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:16:55,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:16:55,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:16:55,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:16:55,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:16:55,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:16:55,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:16:55,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:16:55,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:16:55,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:16:55,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:16:55,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:16:55,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:16:55,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:16:55,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:16:55,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:16:55,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:16:55,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:16:55,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:16:55,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:16:55,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:16:55,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:16:55,306 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:16:55,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:16:55,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:16:55,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:16:55,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:16:55,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:16:55,314 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:16:55,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:16:55,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:16:55,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:16:55,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:16:55,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:16:55,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:16:55,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:16:55,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:16:55,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:16:55,317 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:16:55,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:16:55,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:16:55,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:16:55,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:16:55,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:16:55,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:16:55,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:16:55,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:16:55,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:16:55,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:16:55,320 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:16:55,320 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:16:55,320 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:16:55,321 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:16:55,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:16:55,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:16:55,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:16:55,322 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_19fbd60a-9efb-4b66-bdf1-eb981a956634/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62383dd39c4465d1f3b7424ac172d9121521b446 [2021-10-15 20:16:55,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:16:55,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:16:55,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:16:55,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:16:55,724 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:16:55,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2021-10-15 20:16:55,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/b40a746e4/5a6bbd941eb64f6fb9e2608dd50c3bf2/FLAG89dc0b4a1 [2021-10-15 20:16:56,350 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:16:56,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2021-10-15 20:16:56,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/b40a746e4/5a6bbd941eb64f6fb9e2608dd50c3bf2/FLAG89dc0b4a1 [2021-10-15 20:16:56,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/data/b40a746e4/5a6bbd941eb64f6fb9e2608dd50c3bf2 [2021-10-15 20:16:56,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:16:56,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:16:56,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:16:56,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:16:56,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:16:56,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:56,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748c21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56, skipping insertion in model container [2021-10-15 20:16:56,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:56,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:16:56,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:16:56,910 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_19fbd60a-9efb-4b66-bdf1-eb981a956634/sv-benchmarks/c/recursive-simple/sum_10x0-2.c[481,494] [2021-10-15 20:16:56,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:16:56,926 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:16:56,942 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_19fbd60a-9efb-4b66-bdf1-eb981a956634/sv-benchmarks/c/recursive-simple/sum_10x0-2.c[481,494] [2021-10-15 20:16:56,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:16:56,957 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:16:56,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56 WrapperNode [2021-10-15 20:16:56,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:16:56,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:16:56,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:16:56,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:16:56,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:56,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:56,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:16:56,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:16:56,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:16:56,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:16:57,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:16:57,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:16:57,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:16:57,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:16:57,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (1/1) ... [2021-10-15 20:16:57,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:16:57,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:16:57,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:16:57,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:16:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:16:57,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:16:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:16:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-10-15 20:16:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-10-15 20:16:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:16:57,445 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:16:57,446 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 20:16:57,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:16:57 BoogieIcfgContainer [2021-10-15 20:16:57,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:16:57,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:16:57,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:16:57,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:16:57,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:16:56" (1/3) ... [2021-10-15 20:16:57,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285ad0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:16:57, skipping insertion in model container [2021-10-15 20:16:57,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:16:56" (2/3) ... [2021-10-15 20:16:57,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285ad0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:16:57, skipping insertion in model container [2021-10-15 20:16:57,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:16:57" (3/3) ... [2021-10-15 20:16:57,456 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_10x0-2.c [2021-10-15 20:16:57,461 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:16:57,466 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:16:57,529 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:16:57,535 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 20:16:57,547 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:16:57,554 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 20:16:57,571 INFO L168 Benchmark]: Toolchain (without parser) took 820.85 ms. Allocated memory is still 58.7 MB. Free memory was 43.5 MB in the beginning and 41.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:57,572 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:16:57,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.22 ms. Allocated memory is still 58.7 MB. Free memory was 43.3 MB in the beginning and 33.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:57,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.71 ms. Allocated memory is still 58.7 MB. Free memory was 33.7 MB in the beginning and 32.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:57,574 INFO L168 Benchmark]: Boogie Preprocessor took 88.09 ms. Allocated memory is still 58.7 MB. Free memory was 32.4 MB in the beginning and 42.3 MB in the end (delta: -9.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:57,575 INFO L168 Benchmark]: RCFGBuilder took 367.79 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 33.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:57,576 INFO L168 Benchmark]: TraceAbstraction took 118.87 ms. Allocated memory is still 58.7 MB. Free memory was 32.7 MB in the beginning and 41.7 MB in the end (delta: -9.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:16:57,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 206.22 ms. Allocated memory is still 58.7 MB. Free memory was 43.3 MB in the beginning and 33.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.71 ms. Allocated memory is still 58.7 MB. Free memory was 33.7 MB in the beginning and 32.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.09 ms. Allocated memory is still 58.7 MB. Free memory was 32.4 MB in the beginning and 42.3 MB in the end (delta: -9.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 367.79 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 33.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 118.87 ms. Allocated memory is still 58.7 MB. Free memory was 32.7 MB in the beginning and 41.7 MB in the end (delta: -9.0 MB). Peak memory consumption was 9.6 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 20:16:57,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19fbd60a-9efb-4b66-bdf1-eb981a956634/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...