./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-43_2a-drivers--net--ppp--ppp_generic.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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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 b5c08331d149d2057bcaa2374c641f753be7bc4f ................................................................................................................................................................................................................................................................... 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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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 b5c08331d149d2057bcaa2374c641f753be7bc4f ............................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:32:02,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:32:02,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:32:02,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:32:02,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:32:02,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:32:02,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:32:02,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:32:02,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:32:02,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:32:02,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:32:02,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:32:02,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:32:02,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:32:02,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:32:02,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:32:02,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:32:02,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:32:02,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:32:02,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:32:02,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:32:02,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:32:02,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:32:02,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:32:02,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:32:02,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:32:02,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:32:02,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:32:02,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:32:02,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:32:02,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:32:02,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:32:02,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:32:02,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:32:02,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:32:02,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:32:02,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:32:02,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:32:02,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:32:02,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:32:02,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:32:02,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-15 19:32:02,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:32:02,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:32:02,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:32:02,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:32:02,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:32:02,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:32:02,777 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:32:02,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:32:02,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:32:02,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:32:02,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:32:02,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:32:02,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:32:02,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:32:02,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:32:02,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:32:02,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:32:02,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:32:02,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:32:02,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:02,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:32:02,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:32:02,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:32:02,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:32:02,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:32:02,783 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:32:02,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:32:02,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:32:02,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:32:02,784 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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5c08331d149d2057bcaa2374c641f753be7bc4f [2021-10-15 19:32:03,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:32:03,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:32:03,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:32:03,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:32:03,113 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:32:03,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-10-15 19:32:03,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/93b6e024e/52d2b75990db48149800cbda95fb0b1d/FLAG6d22a1732 [2021-10-15 19:32:04,220 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:32:04,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-10-15 19:32:04,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/93b6e024e/52d2b75990db48149800cbda95fb0b1d/FLAG6d22a1732 [2021-10-15 19:32:04,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/93b6e024e/52d2b75990db48149800cbda95fb0b1d [2021-10-15 19:32:04,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:32:04,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:32:04,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:04,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:32:04,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:32:04,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:04" (1/1) ... [2021-10-15 19:32:04,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11009f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:04, skipping insertion in model container [2021-10-15 19:32:04,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:04" (1/1) ... [2021-10-15 19:32:04,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:32:04,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:32:07,460 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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2021-10-15 19:32:07,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:07,570 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:32:07,992 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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2021-10-15 19:32:08,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:08,244 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:32:08,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08 WrapperNode [2021-10-15 19:32:08,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:08,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:08,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:32:08,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:32:08,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:08,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:09,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:09,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:32:09,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:32:09,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:32:09,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:09,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:10,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:10,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:11,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:11,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:11,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:11,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:32:11,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:32:11,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:32:11,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:32:11,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (1/1) ... [2021-10-15 19:32:11,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:32:11,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:32:12,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:32:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-15 19:32:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-15 19:32:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-15 19:32:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 19:32:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 19:32:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-10-15 19:32:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-10-15 19:32:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-10-15 19:32:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-10-15 19:32:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-10-15 19:32:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-10-15 19:32:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-10-15 19:32:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-10-15 19:32:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:32:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:32:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-10-15 19:32:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-10-15 19:32:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:32:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:32:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-10-15 19:32:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-10-15 19:32:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-15 19:32:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-10-15 19:32:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-10-15 19:32:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-15 19:32:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:32:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-10-15 19:32:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-10-15 19:32:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-10-15 19:32:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-10-15 19:32:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:32:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-10-15 19:32:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-10-15 19:32:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:32:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:32:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-15 19:32:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:32:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:32:12,113 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-10-15 19:32:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-10-15 19:32:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-10-15 19:32:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-10-15 19:32:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-10-15 19:32:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-10-15 19:32:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-10-15 19:32:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-10-15 19:32:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:32:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:32:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:32:38,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:32:38,643 INFO L299 CfgBuilder]: Removed 6842 assume(true) statements. [2021-10-15 19:32:38,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:32:38 BoogieIcfgContainer [2021-10-15 19:32:38,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:32:38,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:32:38,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:32:38,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:32:38,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:32:04" (1/3) ... [2021-10-15 19:32:38,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29cdbbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:32:38, skipping insertion in model container [2021-10-15 19:32:38,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:08" (2/3) ... [2021-10-15 19:32:38,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29cdbbbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:32:38, skipping insertion in model container [2021-10-15 19:32:38,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:32:38" (3/3) ... [2021-10-15 19:32:38,664 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-10-15 19:32:38,671 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:32:38,671 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2021-10-15 19:32:38,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:32:38,741 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:32:38,741 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-10-15 19:32:38,818 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Call at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-15 19:32:38,824 INFO L168 Benchmark]: Toolchain (without parser) took 34209.67 ms. Allocated memory was 92.3 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 62.8 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 468.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:38,825 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 75.5 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:32:38,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3632.82 ms. Allocated memory was 92.3 MB in the beginning and 195.0 MB in the end (delta: 102.8 MB). Free memory was 62.5 MB in the beginning and 111.4 MB in the end (delta: -48.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:38,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 1453.62 ms. Allocated memory was 195.0 MB in the beginning and 350.2 MB in the end (delta: 155.2 MB). Free memory was 111.4 MB in the beginning and 180.7 MB in the end (delta: -69.3 MB). Peak memory consumption was 99.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:38,828 INFO L168 Benchmark]: Boogie Preprocessor took 2069.36 ms. Allocated memory is still 350.2 MB. Free memory was 180.7 MB in the beginning and 108.3 MB in the end (delta: 72.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:38,829 INFO L168 Benchmark]: RCFGBuilder took 26881.31 ms. Allocated memory was 350.2 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 108.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 523.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:38,829 INFO L168 Benchmark]: TraceAbstraction took 165.95 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:38,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 75.5 MB. Free memory is still 39.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3632.82 ms. Allocated memory was 92.3 MB in the beginning and 195.0 MB in the end (delta: 102.8 MB). Free memory was 62.5 MB in the beginning and 111.4 MB in the end (delta: -48.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1453.62 ms. Allocated memory was 195.0 MB in the beginning and 350.2 MB in the end (delta: 155.2 MB). Free memory was 111.4 MB in the beginning and 180.7 MB in the end (delta: -69.3 MB). Peak memory consumption was 99.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 2069.36 ms. Allocated memory is still 350.2 MB. Free memory was 180.7 MB in the beginning and 108.3 MB in the end (delta: 72.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 26881.31 ms. Allocated memory was 350.2 MB in the beginning and 2.0 GB in the end (delta: 1.6 GB). Free memory was 108.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 523.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 165.95 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Call de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Call: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:32:38,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:32:41,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:32:41,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:32:41,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:32:41,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:32:41,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:32:41,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:32:41,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:32:41,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:32:41,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:32:41,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:32:41,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:32:41,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:32:41,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:32:41,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:32:41,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:32:41,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:32:41,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:32:41,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:32:41,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:32:41,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:32:41,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:32:41,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:32:41,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:32:41,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:32:41,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:32:41,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:32:41,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:32:41,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:32:41,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:32:41,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:32:41,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:32:41,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:32:41,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:32:41,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:32:41,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:32:41,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:32:41,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:32:41,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:32:41,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:32:41,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:32:41,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-15 19:32:41,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:32:41,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:32:41,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:32:41,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:32:41,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:32:41,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:32:41,889 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:32:41,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:32:41,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:32:41,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:32:41,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:32:41,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:32:41,891 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:32:41,892 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:32:41,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:32:41,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:32:41,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:32:41,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:32:41,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:32:41,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:32:41,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:41,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:32:41,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:32:41,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:32:41,895 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:32:41,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:32:41,896 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:32:41,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:32:41,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:32:41,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:32:41,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:32:41,898 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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5c08331d149d2057bcaa2374c641f753be7bc4f [2021-10-15 19:32:42,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:32:42,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:32:42,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:32:42,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:32:42,421 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:32:42,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-10-15 19:32:42,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/6b9a44612/40923d5fc9124749a3a486031b61ba71/FLAG56e5d140a [2021-10-15 19:32:43,828 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:32:43,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-10-15 19:32:43,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/6b9a44612/40923d5fc9124749a3a486031b61ba71/FLAG56e5d140a [2021-10-15 19:32:44,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/data/6b9a44612/40923d5fc9124749a3a486031b61ba71 [2021-10-15 19:32:44,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:32:44,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:32:44,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:44,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:32:44,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:32:44,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:44" (1/1) ... [2021-10-15 19:32:44,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c53f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:44, skipping insertion in model container [2021-10-15 19:32:44,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:44" (1/1) ... [2021-10-15 19:32:44,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:32:44,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:32:47,529 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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2021-10-15 19:32:47,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:47,708 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:32:48,430 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_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2021-10-15 19:32:48,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:48,707 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:32:48,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48 WrapperNode [2021-10-15 19:32:48,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:48,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:48,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:32:48,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:32:48,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:48,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:50,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:50,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:32:50,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:32:50,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:32:50,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:50,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:50,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:50,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:51,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:51,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:51,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:52,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:32:52,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:32:52,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:32:52,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:32:52,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (1/1) ... [2021-10-15 19:32:52,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:32:52,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:32:52,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:32:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-15 19:32:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-15 19:32:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-15 19:32:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:32:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 19:32:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-15 19:32:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 19:32:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-10-15 19:32:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-10-15 19:32:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-10-15 19:32:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-10-15 19:32:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-10-15 19:32:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-10-15 19:32:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-10-15 19:32:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-10-15 19:32:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:32:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:32:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-10-15 19:32:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-10-15 19:32:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-15 19:32:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-15 19:32:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-15 19:32:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:32:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:32:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:32:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:32:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-15 19:32:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-15 19:32:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-10-15 19:32:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-10-15 19:32:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-10-15 19:32:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-10-15 19:32:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-10-15 19:32:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-10-15 19:32:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-10-15 19:32:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-10-15 19:32:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-15 19:32:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-10-15 19:32:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-15 19:32:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-10-15 19:32:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-10-15 19:32:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-10-15 19:32:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-10-15 19:32:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-10-15 19:32:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:32:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:32:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-15 19:32:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-10-15 19:32:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-10-15 19:32:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:32:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-10-15 19:32:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-15 19:32:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-10-15 19:32:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-10-15 19:32:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-10-15 19:32:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-10-15 19:32:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-15 19:32:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:32:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:34:50,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:34:50,280 INFO L299 CfgBuilder]: Removed 7098 assume(true) statements. [2021-10-15 19:34:50,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:34:50 BoogieIcfgContainer [2021-10-15 19:34:50,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:34:50,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:34:50,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:34:50,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:34:50,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:32:44" (1/3) ... [2021-10-15 19:34:50,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40244d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:34:50, skipping insertion in model container [2021-10-15 19:34:50,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:48" (2/3) ... [2021-10-15 19:34:50,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40244d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:34:50, skipping insertion in model container [2021-10-15 19:34:50,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:34:50" (3/3) ... [2021-10-15 19:34:50,299 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2021-10-15 19:34:50,305 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:34:50,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2021-10-15 19:34:50,368 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:34:50,375 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:34:50,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2021-10-15 19:34:50,444 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis Return at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.constructPetriNetWithoutDeadTransitions(CegarLoopForPetriNet.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.getInitialAbstraction(CegarLoopForPetriNet.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-15 19:34:50,449 INFO L168 Benchmark]: Toolchain (without parser) took 126384.11 ms. Allocated memory was 65.0 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 29.2 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 596.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:34:50,449 INFO L168 Benchmark]: CDTParser took 2.48 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:34:50,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4643.20 ms. Allocated memory was 65.0 MB in the beginning and 174.1 MB in the end (delta: 109.1 MB). Free memory was 29.0 MB in the beginning and 98.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 69.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:34:50,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 1391.77 ms. Allocated memory was 174.1 MB in the beginning and 337.6 MB in the end (delta: 163.6 MB). Free memory was 98.2 MB in the beginning and 159.7 MB in the end (delta: -61.5 MB). Peak memory consumption was 104.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:34:50,452 INFO L168 Benchmark]: Boogie Preprocessor took 2224.43 ms. Allocated memory was 337.6 MB in the beginning and 882.9 MB in the end (delta: 545.3 MB). Free memory was 159.7 MB in the beginning and 647.3 MB in the end (delta: -487.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:34:50,453 INFO L168 Benchmark]: RCFGBuilder took 117960.88 ms. Allocated memory was 882.9 MB in the beginning and 1.8 GB in the end (delta: 895.5 MB). Free memory was 647.3 MB in the beginning and 1.2 GB in the end (delta: -518.0 MB). Peak memory consumption was 573.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:34:50,454 INFO L168 Benchmark]: TraceAbstraction took 155.49 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:34:50,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4643.20 ms. Allocated memory was 65.0 MB in the beginning and 174.1 MB in the end (delta: 109.1 MB). Free memory was 29.0 MB in the beginning and 98.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 69.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1391.77 ms. Allocated memory was 174.1 MB in the beginning and 337.6 MB in the end (delta: 163.6 MB). Free memory was 98.2 MB in the beginning and 159.7 MB in the end (delta: -61.5 MB). Peak memory consumption was 104.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 2224.43 ms. Allocated memory was 337.6 MB in the beginning and 882.9 MB in the end (delta: 545.3 MB). Free memory was 159.7 MB in the beginning and 647.3 MB in the end (delta: -487.6 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 117960.88 ms. Allocated memory was 882.9 MB in the beginning and 1.8 GB in the end (delta: 895.5 MB). Free memory was 647.3 MB in the beginning and 1.2 GB in the end (delta: -518.0 MB). Peak memory consumption was 573.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 155.49 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis Return de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis Return: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:385) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:34:50,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a1bfe7-e5c7-4da1-b5f6-f91155e3800e/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...