./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/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_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/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 64bit --witnessprinter.graph.data.programhash ea772896d4df902844495edb3396a84e71ed16b3 ............................................................................................................................................................................................................................................................................................... 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_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/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_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/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 64bit --witnessprinter.graph.data.programhash ea772896d4df902844495edb3396a84e71ed16b3 ................................................................................................................................................................................................................................................................................................................ 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 20:03:07,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:03:07,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:03:07,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:03:07,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:03:07,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:03:07,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:03:07,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:03:07,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:03:07,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:03:07,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:03:07,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:03:07,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:03:07,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:03:07,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:03:07,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:03:07,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:03:07,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:03:07,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:03:07,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:03:07,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:03:07,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:03:07,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:03:07,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:03:07,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:03:07,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:03:07,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:03:07,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:03:07,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:03:07,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:03:07,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:03:07,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:03:07,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:03:07,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:03:07,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:03:07,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:03:07,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:03:07,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:03:07,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:03:07,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:03:07,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:03:07,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-15 20:03:07,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:03:07,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:03:07,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:03:07,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:03:07,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:03:07,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:03:07,914 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:03:07,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:03:07,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:03:07,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:03:07,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:03:07,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:03:07,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:03:07,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:03:07,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:03:07,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:03:07,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:03:07,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:03:07,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:03:07,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:03:07,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:03:07,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:03:07,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:03:07,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:03:07,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:03:07,918 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:03:07,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:03:07,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:03:07,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:03:07,919 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_613a662b-6527-42aa-921d-a601f6b704b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea772896d4df902844495edb3396a84e71ed16b3 [2021-10-15 20:03:08,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:03:08,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:03:08,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:03:08,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:03:08,205 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:03:08,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2021-10-15 20:03:08,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/6a2ece275/9c7a711bbdca46a8b0988b5d0c5f7ed0/FLAGe9e485b43 [2021-10-15 20:03:09,333 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:03:09,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2021-10-15 20:03:09,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/6a2ece275/9c7a711bbdca46a8b0988b5d0c5f7ed0/FLAGe9e485b43 [2021-10-15 20:03:09,615 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/6a2ece275/9c7a711bbdca46a8b0988b5d0c5f7ed0 [2021-10-15 20:03:09,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:03:09,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:03:09,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:03:09,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:03:09,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:03:09,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:03:09" (1/1) ... [2021-10-15 20:03:09,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42303249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:09, skipping insertion in model container [2021-10-15 20:03:09,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:03:09" (1/1) ... [2021-10-15 20:03:09,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:03:09,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:03:15,391 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_613a662b-6527-42aa-921d-a601f6b704b2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2021-10-15 20:03:15,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:03:15,961 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:03:16,544 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_613a662b-6527-42aa-921d-a601f6b704b2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2021-10-15 20:03:16,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:03:16,964 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:03:16,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16 WrapperNode [2021-10-15 20:03:16,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:03:16,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:03:16,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:03:16,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:03:16,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:17,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:19,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:03:19,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:03:19,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:03:19,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:03:19,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:19,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:19,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:19,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:20,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:21,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:21,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:21,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:03:21,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:03:21,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:03:21,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:03:21,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (1/1) ... [2021-10-15 20:03:21,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:03:21,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:03:21,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:03:21,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:03:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2021-10-15 20:03:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2021-10-15 20:03:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2021-10-15 20:03:21,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2021-10-15 20:03:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2021-10-15 20:03:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2021-10-15 20:03:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2021-10-15 20:03:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2021-10-15 20:03:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-10-15 20:03:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2021-10-15 20:03:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2021-10-15 20:03:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:03:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2021-10-15 20:03:21,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2021-10-15 20:03:21,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-15 20:03:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2021-10-15 20:03:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2021-10-15 20:03:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-15 20:03:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:03:21,600 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2021-10-15 20:03:21,600 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2021-10-15 20:03:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-10-15 20:03:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-10-15 20:03:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2021-10-15 20:03:21,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2021-10-15 20:03:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 20:03:21,601 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2021-10-15 20:03:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2021-10-15 20:03:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 20:03:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-15 20:03:21,602 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2021-10-15 20:03:21,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2021-10-15 20:03:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 20:03:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 20:03:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-10-15 20:03:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-10-15 20:03:21,603 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2021-10-15 20:03:21,603 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2021-10-15 20:03:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:03:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:03:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-10-15 20:03:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-10-15 20:03:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 20:03:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 20:03:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2021-10-15 20:03:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2021-10-15 20:03:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2021-10-15 20:03:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2021-10-15 20:03:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2021-10-15 20:03:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2021-10-15 20:03:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:03:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 20:03:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2021-10-15 20:03:21,606 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2021-10-15 20:03:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2021-10-15 20:03:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2021-10-15 20:03:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 20:03:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2021-10-15 20:03:21,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2021-10-15 20:03:21,607 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2021-10-15 20:03:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2021-10-15 20:03:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2021-10-15 20:03:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2021-10-15 20:03:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:03:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2021-10-15 20:03:21,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2021-10-15 20:03:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2021-10-15 20:03:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2021-10-15 20:03:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2021-10-15 20:03:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2021-10-15 20:03:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2021-10-15 20:03:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2021-10-15 20:03:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-10-15 20:03:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-10-15 20:03:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:03:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2021-10-15 20:03:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2021-10-15 20:04:41,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:04:41,179 INFO L299 CfgBuilder]: Removed 8979 assume(true) statements. [2021-10-15 20:04:41,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:04:41 BoogieIcfgContainer [2021-10-15 20:04:41,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:04:41,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:04:41,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:04:41,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:04:41,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:03:09" (1/3) ... [2021-10-15 20:04:41,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7a2611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:04:41, skipping insertion in model container [2021-10-15 20:04:41,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:03:16" (2/3) ... [2021-10-15 20:04:41,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7a2611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:04:41, skipping insertion in model container [2021-10-15 20:04:41,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:04:41" (3/3) ... [2021-10-15 20:04:41,200 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2021-10-15 20:04:41,205 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:04:41,206 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2021-10-15 20:04:41,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:04:41,267 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 20:04:41,267 INFO L340 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2021-10-15 20:04:41,346 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 20:04:41,351 INFO L168 Benchmark]: Toolchain (without parser) took 91730.47 ms. Allocated memory was 115.3 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 79.9 MB in the beginning and 2.5 GB in the end (delta: -2.4 GB). Peak memory consumption was 851.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:04:41,352 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory is still 94.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:04:41,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7345.36 ms. Allocated memory was 115.3 MB in the beginning and 310.4 MB in the end (delta: 195.0 MB). Free memory was 79.4 MB in the beginning and 213.5 MB in the end (delta: -134.1 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:04:41,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 2123.76 ms. Allocated memory was 310.4 MB in the beginning and 620.8 MB in the end (delta: 310.4 MB). Free memory was 213.5 MB in the beginning and 373.6 MB in the end (delta: -160.1 MB). Peak memory consumption was 206.9 MB. Max. memory is 16.1 GB. [2021-10-15 20:04:41,354 INFO L168 Benchmark]: Boogie Preprocessor took 2413.77 ms. Allocated memory was 620.8 MB in the beginning and 1.4 GB in the end (delta: 790.6 MB). Free memory was 373.6 MB in the beginning and 1.0 GB in the end (delta: -662.7 MB). Peak memory consumption was 173.0 MB. Max. memory is 16.1 GB. [2021-10-15 20:04:41,355 INFO L168 Benchmark]: RCFGBuilder took 79683.78 ms. Allocated memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. [2021-10-15 20:04:41,356 INFO L168 Benchmark]: TraceAbstraction took 155.41 ms. Allocated memory is still 3.4 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:04:41,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory is still 94.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7345.36 ms. Allocated memory was 115.3 MB in the beginning and 310.4 MB in the end (delta: 195.0 MB). Free memory was 79.4 MB in the beginning and 213.5 MB in the end (delta: -134.1 MB). Peak memory consumption was 132.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 2123.76 ms. Allocated memory was 310.4 MB in the beginning and 620.8 MB in the end (delta: 310.4 MB). Free memory was 213.5 MB in the beginning and 373.6 MB in the end (delta: -160.1 MB). Peak memory consumption was 206.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 2413.77 ms. Allocated memory was 620.8 MB in the beginning and 1.4 GB in the end (delta: 790.6 MB). Free memory was 373.6 MB in the beginning and 1.0 GB in the end (delta: -662.7 MB). Peak memory consumption was 173.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 79683.78 ms. Allocated memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. * TraceAbstraction took 155.41 ms. Allocated memory is still 3.4 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 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 20:04:41,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/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 20:04:43,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:04:43,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:04:43,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:04:43,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:04:43,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:04:43,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:04:43,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:04:43,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:04:43,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:04:43,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:04:43,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:04:43,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:04:43,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:04:43,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:04:43,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:04:43,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:04:43,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:04:43,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:04:43,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:04:43,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:04:43,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:04:43,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:04:43,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:04:43,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:04:43,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:04:43,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:04:43,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:04:43,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:04:43,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:04:43,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:04:43,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:04:43,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:04:43,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:04:43,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:04:43,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:04:43,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:04:43,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:04:43,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:04:43,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:04:43,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:04:43,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-15 20:04:43,962 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:04:43,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:04:43,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:04:43,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:04:43,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:04:43,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:04:43,966 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:04:43,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:04:43,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:04:43,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:04:43,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:04:43,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:04:43,968 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:04:43,969 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:04:43,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:04:43,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:04:43,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:04:43,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:04:43,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:04:43,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:04:43,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:04:43,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:04:43,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:04:43,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:04:43,971 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:04:43,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:04:43,972 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:04:43,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:04:43,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:04:43,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:04:43,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:04:43,973 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_613a662b-6527-42aa-921d-a601f6b704b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea772896d4df902844495edb3396a84e71ed16b3 [2021-10-15 20:04:44,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:04:44,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:04:44,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:04:44,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:04:44,391 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:04:44,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2021-10-15 20:04:44,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/bfba66784/eaa5128f6a3948728a6b7c79d9854c5b/FLAG62ef1b856 [2021-10-15 20:04:45,586 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:04:45,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2021-10-15 20:04:45,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/bfba66784/eaa5128f6a3948728a6b7c79d9854c5b/FLAG62ef1b856 [2021-10-15 20:04:45,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/data/bfba66784/eaa5128f6a3948728a6b7c79d9854c5b [2021-10-15 20:04:45,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:04:45,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:04:45,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:04:45,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:04:45,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:04:45,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:04:45" (1/1) ... [2021-10-15 20:04:45,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c225803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:45, skipping insertion in model container [2021-10-15 20:04:45,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:04:45" (1/1) ... [2021-10-15 20:04:45,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:04:46,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:04:51,221 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_613a662b-6527-42aa-921d-a601f6b704b2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2021-10-15 20:04:51,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:04:51,770 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:04:52,524 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_613a662b-6527-42aa-921d-a601f6b704b2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2021-10-15 20:04:52,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:04:53,020 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:04:53,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53 WrapperNode [2021-10-15 20:04:53,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:04:53,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:04:53,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:04:53,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:04:53,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:53,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:55,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:04:55,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:04:55,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:04:55,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:04:55,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:55,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:55,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:55,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:56,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:56,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:57,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:57,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:04:57,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:04:57,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:04:57,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:04:57,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (1/1) ... [2021-10-15 20:04:57,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:04:57,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:04:57,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:04:57,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:04:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2021-10-15 20:04:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2021-10-15 20:04:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2021-10-15 20:04:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2021-10-15 20:04:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2021-10-15 20:04:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2021-10-15 20:04:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2021-10-15 20:04:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2021-10-15 20:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-10-15 20:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2021-10-15 20:04:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2021-10-15 20:04:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-15 20:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-15 20:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-15 20:04:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2021-10-15 20:04:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2021-10-15 20:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2021-10-15 20:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2021-10-15 20:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2021-10-15 20:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2021-10-15 20:04:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-10-15 20:04:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-10-15 20:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-10-15 20:04:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-10-15 20:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2021-10-15 20:04:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2021-10-15 20:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 20:04:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2021-10-15 20:04:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2021-10-15 20:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 20:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-15 20:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-10-15 20:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-10-15 20:04:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2021-10-15 20:04:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2021-10-15 20:04:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 20:04:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 20:04:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-15 20:04:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-15 20:04:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2021-10-15 20:04:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2021-10-15 20:04:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:04:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:04:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-15 20:04:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-10-15 20:04:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-10-15 20:04:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-15 20:04:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 20:04:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 20:04:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-15 20:04:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 20:04:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2021-10-15 20:04:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2021-10-15 20:04:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2021-10-15 20:04:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2021-10-15 20:04:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2021-10-15 20:04:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2021-10-15 20:04:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:04:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 20:04:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2021-10-15 20:04:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2021-10-15 20:04:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-15 20:04:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-15 20:04:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-15 20:04:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 20:04:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2021-10-15 20:04:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2021-10-15 20:04:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 20:04:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2021-10-15 20:04:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2021-10-15 20:04:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2021-10-15 20:04:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2021-10-15 20:04:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-10-15 20:04:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-10-15 20:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2021-10-15 20:04:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2021-10-15 20:04:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2021-10-15 20:04:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2021-10-15 20:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-15 20:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-10-15 20:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-15 20:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-10-15 20:04:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2021-10-15 20:04:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2021-10-15 20:04:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2021-10-15 20:04:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2021-10-15 20:04:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2021-10-15 20:04:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2021-10-15 20:04:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2021-10-15 20:04:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2021-10-15 20:12:33,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:12:33,366 INFO L299 CfgBuilder]: Removed 8963 assume(true) statements. [2021-10-15 20:12:33,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:12:33 BoogieIcfgContainer [2021-10-15 20:12:33,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:12:33,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:12:33,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:12:33,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:12:33,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:04:45" (1/3) ... [2021-10-15 20:12:33,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2319e571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:12:33, skipping insertion in model container [2021-10-15 20:12:33,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:04:53" (2/3) ... [2021-10-15 20:12:33,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2319e571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:12:33, skipping insertion in model container [2021-10-15 20:12:33,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:12:33" (3/3) ... [2021-10-15 20:12:33,388 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2021-10-15 20:12:33,394 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:12:33,395 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2021-10-15 20:12:33,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:12:33,463 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 20:12:33,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2021-10-15 20:12:33,554 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 20:12:33,559 INFO L168 Benchmark]: Toolchain (without parser) took 467727.69 ms. Allocated memory was 73.4 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 48.4 MB in the beginning and 2.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-15 20:12:33,560 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:12:33,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7191.61 ms. Allocated memory was 73.4 MB in the beginning and 184.5 MB in the end (delta: 111.1 MB). Free memory was 48.4 MB in the beginning and 71.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:12:33,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 2114.33 ms. Allocated memory was 184.5 MB in the beginning and 564.1 MB in the end (delta: 379.6 MB). Free memory was 71.1 MB in the beginning and 352.6 MB in the end (delta: -281.5 MB). Peak memory consumption was 116.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:12:33,563 INFO L168 Benchmark]: Boogie Preprocessor took 2185.78 ms. Allocated memory was 564.1 MB in the beginning and 1.7 GB in the end (delta: 1.1 GB). Free memory was 352.6 MB in the beginning and 1.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 165.7 MB. Max. memory is 16.1 GB. [2021-10-15 20:12:33,563 INFO L168 Benchmark]: RCFGBuilder took 456053.91 ms. Allocated memory was 1.7 GB in the beginning and 3.9 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. [2021-10-15 20:12:33,564 INFO L168 Benchmark]: TraceAbstraction took 175.87 ms. Allocated memory is still 3.9 GB. Free memory was 2.7 GB in the beginning and 2.6 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:12:33,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7191.61 ms. Allocated memory was 73.4 MB in the beginning and 184.5 MB in the end (delta: 111.1 MB). Free memory was 48.4 MB in the beginning and 71.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 2114.33 ms. Allocated memory was 184.5 MB in the beginning and 564.1 MB in the end (delta: 379.6 MB). Free memory was 71.1 MB in the beginning and 352.6 MB in the end (delta: -281.5 MB). Peak memory consumption was 116.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 2185.78 ms. Allocated memory was 564.1 MB in the beginning and 1.7 GB in the end (delta: 1.1 GB). Free memory was 352.6 MB in the beginning and 1.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 165.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 456053.91 ms. Allocated memory was 1.7 GB in the beginning and 3.9 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. * TraceAbstraction took 175.87 ms. Allocated memory is still 3.9 GB. Free memory was 2.7 GB in the beginning and 2.6 GB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 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 20:12:33,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_613a662b-6527-42aa-921d-a601f6b704b2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...