./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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 c445e7d136bb1d3b34eea0dd6ecd69c876791489 .................................................................................................................................................................................................................................................................................................................................... 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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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 c445e7d136bb1d3b34eea0dd6ecd69c876791489 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:12:34,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:12:34,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:12:34,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:12:34,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:12:34,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:12:34,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:12:34,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:12:34,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:12:34,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:12:34,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:12:34,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:12:34,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:12:34,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:12:34,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:12:34,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:12:34,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:12:34,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:12:34,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:12:34,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:12:34,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:12:34,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:12:34,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:12:34,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:12:34,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:12:34,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:12:34,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:12:34,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:12:34,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:12:34,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:12:34,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:12:34,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:12:34,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:12:34,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:12:34,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:12:34,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:12:34,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:12:34,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:12:34,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:12:34,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:12:34,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:12:34,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-15 19:12:34,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:12:34,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:12:34,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:12:34,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:12:34,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:12:34,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:12:34,762 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:12:34,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:12:34,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:12:34,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:12:34,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:12:34,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:12:34,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:12:34,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:12:34,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:12:34,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:12:34,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:12:34,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:12:34,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:12:34,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:12:34,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:12:34,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:12:34,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:12:34,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:12:34,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:12:34,767 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:12:34,768 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:12:34,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:12:34,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:12:34,768 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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2021-10-15 19:12:35,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:12:35,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:12:35,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:12:35,112 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:12:35,114 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:12:35,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-15 19:12:35,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/a7d8279d3/80fb02cf34144a20b0bc64e6f515da7b/FLAGd0eed77fe [2021-10-15 19:12:36,419 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:12:36,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-15 19:12:36,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/a7d8279d3/80fb02cf34144a20b0bc64e6f515da7b/FLAGd0eed77fe [2021-10-15 19:12:36,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/a7d8279d3/80fb02cf34144a20b0bc64e6f515da7b [2021-10-15 19:12:36,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:12:36,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:12:36,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:12:36,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:12:36,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:12:36,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:12:36" (1/1) ... [2021-10-15 19:12:36,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d22789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:36, skipping insertion in model container [2021-10-15 19:12:36,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:12:36" (1/1) ... [2021-10-15 19:12:36,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:12:36,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:12:39,221 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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-15 19:12:39,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:12:39,359 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:12:40,028 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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-15 19:12:40,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:12:40,447 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:12:40,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40 WrapperNode [2021-10-15 19:12:40,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:12:40,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:12:40,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:12:40,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:12:40,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:40,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:41,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:12:41,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:12:41,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:12:41,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:12:41,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:41,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:41,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:41,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:42,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:42,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:42,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:42,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:12:42,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:12:42,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:12:42,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:12:42,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (1/1) ... [2021-10-15 19:12:42,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:12:42,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:12:42,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:12:42,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-15 19:12:42,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-15 19:12:42,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:12:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-15 19:12:42,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 19:12:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 19:12:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:12:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:12:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:12:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:12:42,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-15 19:12:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-15 19:12:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:12:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:12:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:12:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:12:42,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-15 19:12:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-10-15 19:12:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-10-15 19:12:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:12:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:12:42,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:12:44,154 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:12:44,236 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:12:44,261 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:12:47,965 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-10-15 19:12:47,966 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-10-15 19:12:47,966 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##672: assume false; [2021-10-15 19:12:47,966 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##673: assume !false; [2021-10-15 19:12:47,966 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##679: assume !false; [2021-10-15 19:12:47,966 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##678: assume false; [2021-10-15 19:12:47,966 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##687: assume !false; [2021-10-15 19:12:47,967 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##686: assume false; [2021-10-15 19:12:47,967 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume !false; [2021-10-15 19:12:47,967 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##294: assume !false; [2021-10-15 19:12:47,967 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##293: assume false; [2021-10-15 19:12:47,967 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume false; [2021-10-15 19:12:47,967 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##789: assume false; [2021-10-15 19:12:47,968 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume !false; [2021-10-15 19:12:47,968 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2021-10-15 19:12:47,968 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2021-10-15 19:12:47,968 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume false; [2021-10-15 19:12:47,968 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##440: assume !false; [2021-10-15 19:12:47,969 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-10-15 19:12:47,969 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-10-15 19:12:47,969 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##508: assume false; [2021-10-15 19:12:47,969 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##509: assume !false; [2021-10-15 19:12:47,969 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !false; [2021-10-15 19:12:47,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume false; [2021-10-15 19:12:47,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-10-15 19:12:47,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-10-15 19:12:47,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2021-10-15 19:12:47,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-15 19:12:47,970 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-10-15 19:12:47,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-15 19:12:47,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-10-15 19:12:47,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2021-10-15 19:12:47,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !false; [2021-10-15 19:12:47,971 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume false; [2021-10-15 19:12:47,977 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:12:48,185 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:13:04,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3743: assume !false; [2021-10-15 19:13:04,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3742: assume false; [2021-10-15 19:13:04,336 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-10-15 19:13:04,337 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-15 19:13:04,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-15 19:13:04,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-15 19:13:04,338 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-15 19:13:04,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-10-15 19:13:04,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-10-15 19:13:04,339 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-10-15 19:13:04,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-10-15 19:13:04,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-10-15 19:13:04,340 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-10-15 19:13:04,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-10-15 19:13:04,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-10-15 19:13:04,341 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-10-15 19:13:04,342 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-10-15 19:13:04,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-10-15 19:13:04,343 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-10-15 19:13:04,347 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-10-15 19:13:04,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-10-15 19:13:04,348 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-10-15 19:13:04,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-10-15 19:13:04,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-10-15 19:13:04,349 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-10-15 19:13:04,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-10-15 19:13:04,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-10-15 19:13:04,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-10-15 19:13:04,350 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-10-15 19:13:04,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-10-15 19:13:04,351 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-10-15 19:13:04,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-10-15 19:13:04,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-10-15 19:13:04,352 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-10-15 19:13:04,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-10-15 19:13:04,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-10-15 19:13:04,353 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-10-15 19:13:04,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-10-15 19:13:04,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-10-15 19:13:04,354 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-10-15 19:13:04,355 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,356 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:13:04,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-1: ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;havoc ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2021-10-15 19:13:04,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-2: ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;havoc ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;ppp_read_~__ptr___0~0.base, ppp_read_~__ptr___0~0.offset := ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset; [2021-10-15 19:13:04,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-3: ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;havoc ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;ppp_read_~__ptr___1~0.base, ppp_read_~__ptr___1~0.offset := ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset; [2021-10-15 19:13:04,357 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-8: ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;havoc ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;ppp_read_~__ptr___5~0.base, ppp_read_~__ptr___5~0.offset := ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset; [2021-10-15 19:13:04,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-6: ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;havoc ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;ppp_read_~__ptr___3~0.base, ppp_read_~__ptr___3~0.offset := ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset; [2021-10-15 19:13:04,358 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-7: ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;havoc ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;ppp_read_~__ptr___4~0.base, ppp_read_~__ptr___4~0.offset := ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset; [2021-10-15 19:13:04,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:13:04,413 INFO L299 CfgBuilder]: Removed 5584 assume(true) statements. [2021-10-15 19:13:04,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:13:04 BoogieIcfgContainer [2021-10-15 19:13:04,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:13:04,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:13:04,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:13:04,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:13:04,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:12:36" (1/3) ... [2021-10-15 19:13:04,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513eaef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:13:04, skipping insertion in model container [2021-10-15 19:13:04,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:12:40" (2/3) ... [2021-10-15 19:13:04,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@513eaef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:13:04, skipping insertion in model container [2021-10-15 19:13:04,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:13:04" (3/3) ... [2021-10-15 19:13:04,440 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-15 19:13:04,447 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:13:04,448 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-15 19:13:04,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:13:04,604 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 19:13:04,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-15 19:13:04,658 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 19:13:04,664 INFO L168 Benchmark]: Toolchain (without parser) took 28028.81 ms. Allocated memory was 121.6 MB in the beginning and 998.2 MB in the end (delta: 876.6 MB). Free memory was 70.0 MB in the beginning and 767.4 MB in the end (delta: -697.4 MB). Peak memory consumption was 178.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:13:04,665 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 121.6 MB. Free memory was 100.0 MB in the beginning and 100.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:13:04,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3813.33 ms. Allocated memory was 121.6 MB in the beginning and 287.3 MB in the end (delta: 165.7 MB). Free memory was 69.8 MB in the beginning and 224.5 MB in the end (delta: -154.7 MB). Peak memory consumption was 97.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:13:04,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 1038.54 ms. Allocated memory is still 287.3 MB. Free memory was 224.5 MB in the beginning and 160.5 MB in the end (delta: 64.0 MB). Peak memory consumption was 132.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:13:04,667 INFO L168 Benchmark]: Boogie Preprocessor took 1242.60 ms. Allocated memory was 287.3 MB in the beginning and 574.6 MB in the end (delta: 287.3 MB). Free memory was 160.5 MB in the beginning and 410.3 MB in the end (delta: -249.8 MB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:13:04,668 INFO L168 Benchmark]: RCFGBuilder took 21686.96 ms. Allocated memory was 574.6 MB in the beginning and 998.2 MB in the end (delta: 423.6 MB). Free memory was 410.3 MB in the beginning and 218.8 MB in the end (delta: 191.5 MB). Peak memory consumption was 622.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:13:04,669 INFO L168 Benchmark]: TraceAbstraction took 235.72 ms. Allocated memory is still 998.2 MB. Free memory was 218.8 MB in the beginning and 767.4 MB in the end (delta: -548.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:13:04,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 121.6 MB. Free memory was 100.0 MB in the beginning and 100.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3813.33 ms. Allocated memory was 121.6 MB in the beginning and 287.3 MB in the end (delta: 165.7 MB). Free memory was 69.8 MB in the beginning and 224.5 MB in the end (delta: -154.7 MB). Peak memory consumption was 97.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1038.54 ms. Allocated memory is still 287.3 MB. Free memory was 224.5 MB in the beginning and 160.5 MB in the end (delta: 64.0 MB). Peak memory consumption was 132.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1242.60 ms. Allocated memory was 287.3 MB in the beginning and 574.6 MB in the end (delta: 287.3 MB). Free memory was 160.5 MB in the beginning and 410.3 MB in the end (delta: -249.8 MB). Peak memory consumption was 104.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21686.96 ms. Allocated memory was 574.6 MB in the beginning and 998.2 MB in the end (delta: 423.6 MB). Free memory was 410.3 MB in the beginning and 218.8 MB in the end (delta: 191.5 MB). Peak memory consumption was 622.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 235.72 ms. Allocated memory is still 998.2 MB. Free memory was 218.8 MB in the beginning and 767.4 MB in the end (delta: -548.6 MB). There was no memory consumed. 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 19:13:04,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:13:07,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:13:07,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:13:07,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:13:07,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:13:07,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:13:07,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:13:07,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:13:07,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:13:07,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:13:07,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:13:07,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:13:07,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:13:07,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:13:07,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:13:07,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:13:07,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:13:07,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:13:07,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:13:07,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:13:07,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:13:07,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:13:07,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:13:07,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:13:07,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:13:07,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:13:07,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:13:07,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:13:07,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:13:07,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:13:07,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:13:07,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:13:07,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:13:07,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:13:07,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:13:07,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:13:07,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:13:07,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:13:07,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:13:07,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:13:07,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:13:07,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-15 19:13:07,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:13:07,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:13:07,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:13:07,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:13:07,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:13:07,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:13:07,233 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:13:07,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:13:07,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:13:07,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:13:07,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:13:07,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:13:07,235 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:13:07,235 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:13:07,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:13:07,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:13:07,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:13:07,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:13:07,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:13:07,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:13:07,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:13:07,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:13:07,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:13:07,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:13:07,238 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:13:07,238 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:13:07,239 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:13:07,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:13:07,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:13:07,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:13:07,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:13:07,240 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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2021-10-15 19:13:07,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:13:07,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:13:07,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:13:07,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:13:07,720 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:13:07,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-15 19:13:07,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/e35def0f0/a4501b4bfd694d899ed91d0e356982f7/FLAGb4c21ed70 [2021-10-15 19:13:08,863 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:13:08,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-15 19:13:08,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/e35def0f0/a4501b4bfd694d899ed91d0e356982f7/FLAGb4c21ed70 [2021-10-15 19:13:09,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/data/e35def0f0/a4501b4bfd694d899ed91d0e356982f7 [2021-10-15 19:13:09,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:13:09,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:13:09,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:13:09,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:13:09,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:13:09,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:13:09" (1/1) ... [2021-10-15 19:13:09,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a94f2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:09, skipping insertion in model container [2021-10-15 19:13:09,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:13:09" (1/1) ... [2021-10-15 19:13:09,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:13:09,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:13:11,626 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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-15 19:13:11,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:13:11,704 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:13:12,142 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_a9bc04e1-fb7d-4152-84e8-91879c8f4437/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-15 19:13:12,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:13:12,610 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:13:12,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12 WrapperNode [2021-10-15 19:13:12,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:13:12,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:13:12,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:13:12,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:13:12,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:12,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:13,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:13:13,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:13:13,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:13:13,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:13:13,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:13,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:13,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:13,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:14,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:14,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:14,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:14,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:13:14,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:13:14,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:13:14,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:13:14,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (1/1) ... [2021-10-15 19:13:14,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:13:14,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:13:14,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:13:14,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:13:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-15 19:13:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-15 19:13:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-15 19:13:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:13:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-15 19:13:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-15 19:13:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-15 19:13:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:13:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:13:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-15 19:13:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-15 19:13:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-15 19:13:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:13:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:13:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:13:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:13:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-15 19:13:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-15 19:13:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-15 19:13:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-10-15 19:13:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-15 19:13:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-10-15 19:13:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:13:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:13:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-15 19:13:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-10-15 19:13:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-10-15 19:13:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-15 19:13:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-15 19:13:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:13:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:13:15,446 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:13:15,665 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:13:15,695 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:13:15,705 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:13:15,782 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-15 19:15:24,629 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2438: assume false; [2021-10-15 19:15:24,629 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume !false; [2021-10-15 19:15:24,629 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-10-15 19:15:24,629 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-10-15 19:15:24,629 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2409: assume !false; [2021-10-15 19:15:24,630 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2408: assume false; [2021-10-15 19:15:24,630 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume !false; [2021-10-15 19:15:24,630 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2334: assume false; [2021-10-15 19:15:24,630 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2339: assume !false; [2021-10-15 19:15:24,630 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2338: assume false; [2021-10-15 19:15:24,630 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2326: assume !false; [2021-10-15 19:15:24,630 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2325: assume false; [2021-10-15 19:15:24,631 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-10-15 19:15:24,631 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-15 19:15:24,631 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-15 19:15:24,631 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-15 19:15:24,631 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-15 19:15:24,631 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-10-15 19:15:24,632 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-10-15 19:15:24,632 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-10-15 19:15:24,632 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-10-15 19:15:24,632 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-10-15 19:15:24,632 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-10-15 19:15:24,632 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-10-15 19:15:24,633 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-10-15 19:15:24,633 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,633 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-10-15 19:15:24,633 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-10-15 19:15:24,633 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-10-15 19:15:24,634 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2993: assume !false; [2021-10-15 19:15:24,634 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2992: assume false; [2021-10-15 19:15:24,634 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2999: assume !false; [2021-10-15 19:15:24,634 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2998: assume false; [2021-10-15 19:15:24,634 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2986: assume false; [2021-10-15 19:15:24,634 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2987: assume !false; [2021-10-15 19:15:24,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2829: assume !false; [2021-10-15 19:15:24,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2828: assume false; [2021-10-15 19:15:24,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2755: assume false; [2021-10-15 19:15:24,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2756: assume !false; [2021-10-15 19:15:24,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2759: assume false; [2021-10-15 19:15:24,635 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2760: assume !false; [2021-10-15 19:15:24,636 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2766: assume !false; [2021-10-15 19:15:24,636 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2765: assume false; [2021-10-15 19:15:24,636 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2609: assume false; [2021-10-15 19:15:24,636 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2610: assume !false; [2021-10-15 19:15:24,636 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2614: assume !false; [2021-10-15 19:15:24,637 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2613: assume false; [2021-10-15 19:15:24,637 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-10-15 19:15:24,637 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-10-15 19:15:24,637 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,637 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-10-15 19:15:24,637 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-10-15 19:15:24,638 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-10-15 19:15:24,638 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-10-15 19:15:24,638 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-10-15 19:15:24,638 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-10-15 19:15:24,638 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-10-15 19:15:24,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-10-15 19:15:24,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-10-15 19:15:24,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-10-15 19:15:24,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3006: assume false; [2021-10-15 19:15:24,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3007: assume !false; [2021-10-15 19:15:24,639 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4158: assume false; [2021-10-15 19:15:24,640 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4159: assume !false; [2021-10-15 19:15:24,640 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3110: assume !false; [2021-10-15 19:15:24,640 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3109: assume false; [2021-10-15 19:15:24,641 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-10-15 19:15:24,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-10-15 19:15:24,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-10-15 19:15:24,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-10-15 19:15:24,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-10-15 19:15:24,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-10-15 19:15:24,642 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-10-15 19:15:24,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-10-15 19:15:24,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-10-15 19:15:24,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-10-15 19:15:24,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,643 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-15 19:15:24,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-1: ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;havoc ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2021-10-15 19:15:24,644 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-2: ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;havoc ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;ppp_read_~__ptr___0~0.base, ppp_read_~__ptr___0~0.offset := ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset; [2021-10-15 19:15:24,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-3: ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;havoc ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;ppp_read_~__ptr___1~0.base, ppp_read_~__ptr___1~0.offset := ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset; [2021-10-15 19:15:24,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-8: ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;havoc ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;ppp_read_~__ptr___5~0.base, ppp_read_~__ptr___5~0.offset := ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset; [2021-10-15 19:15:24,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-6: ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;havoc ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;ppp_read_~__ptr___3~0.base, ppp_read_~__ptr___3~0.offset := ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset; [2021-10-15 19:15:24,645 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-7: ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;havoc ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;ppp_read_~__ptr___4~0.base, ppp_read_~__ptr___4~0.offset := ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset; [2021-10-15 19:15:24,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:15:24,687 INFO L299 CfgBuilder]: Removed 5484 assume(true) statements. [2021-10-15 19:15:24,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:15:24 BoogieIcfgContainer [2021-10-15 19:15:24,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:15:24,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:15:24,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:15:24,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:15:24,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:13:09" (1/3) ... [2021-10-15 19:15:24,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556379ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:15:24, skipping insertion in model container [2021-10-15 19:15:24,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:13:12" (2/3) ... [2021-10-15 19:15:24,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556379ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:15:24, skipping insertion in model container [2021-10-15 19:15:24,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:15:24" (3/3) ... [2021-10-15 19:15:24,702 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-15 19:15:24,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:15:24,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-15 19:15:24,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:15:24,764 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 19:15:24,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-15 19:15:24,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 4133 places, 5771 transitions, 11542 flow [2021-10-15 19:15:25,430 INFO L129 PetriNetUnfolder]: 1639/5771 cut-off events. [2021-10-15 19:15:25,431 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:15:25,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5772 conditions, 5771 events. 1639/5771 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 40316 event pairs, 0 based on Foata normal form. 0/4093 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2021-10-15 19:15:25,437 INFO L82 GeneralOperation]: Start removeDead. Operand has 4133 places, 5771 transitions, 11542 flow [2021-10-15 19:15:25,510 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 4045 places, 5534 transitions, 11068 flow [2021-10-15 19:15:25,512 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2021-10-15 19:15:25,513 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:15:25,513 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:15:25,514 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:15:25,514 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-15 19:15:25,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:25,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1393895239, now seen corresponding path program 1 times [2021-10-15 19:15:25,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:15:25,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852286493] [2021-10-15 19:15:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:25,539 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:15:25,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:15:25,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:15:25,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:15:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:26,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:15:26,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:15:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:26,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:15:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:26,888 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:15:26,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852286493] [2021-10-15 19:15:26,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852286493] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:15:26,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:15:26,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-15 19:15:26,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757477692] [2021-10-15 19:15:26,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:15:26,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:15:26,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:15:26,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:15:26,980 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 5510 out of 5771 [2021-10-15 19:15:27,069 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4045 places, 5534 transitions, 11068 flow. Second operand has 3 states, 3 states have (on average 5510.666666666667) internal successors, (16532), 3 states have internal predecessors, (16532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:27,069 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:15:27,069 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5510 of 5771 [2021-10-15 19:15:27,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:15:28,603 INFO L129 PetriNetUnfolder]: 2656/10669 cut-off events. [2021-10-15 19:15:28,604 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:15:28,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10831 conditions, 10669 events. 2656/10669 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 84454 event pairs, 0 based on Foata normal form. 280/8222 useless extension candidates. Maximal degree in co-relation 5229. Up to 122 conditions per place. [2021-10-15 19:15:28,658 INFO L132 encePairwiseOnDemand]: 5588/5771 looper letters, 156 selfloop transitions, 4 changer transitions 1/5428 dead transitions. [2021-10-15 19:15:28,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4040 places, 5428 transitions, 11176 flow [2021-10-15 19:15:28,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:15:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:15:28,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17008 transitions. [2021-10-15 19:15:28,724 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9823831802691619 [2021-10-15 19:15:28,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 17008 transitions. [2021-10-15 19:15:28,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 17008 transitions. [2021-10-15 19:15:28,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:15:28,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 17008 transitions. [2021-10-15 19:15:28,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 5669.333333333333) internal successors, (17008), 3 states have internal predecessors, (17008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:28,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 5771.0) internal successors, (23084), 4 states have internal predecessors, (23084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:28,880 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 5771.0) internal successors, (23084), 4 states have internal predecessors, (23084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:28,886 INFO L186 Difference]: Start difference. First operand has 4045 places, 5534 transitions, 11068 flow. Second operand 3 states and 17008 transitions. [2021-10-15 19:15:28,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 4040 places, 5428 transitions, 11176 flow [2021-10-15 19:15:28,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 4040 places, 5428 transitions, 11176 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:15:29,062 INFO L242 Difference]: Finished difference. Result has 4041 places, 5389 transitions, 10874 flow [2021-10-15 19:15:29,074 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=5771, PETRI_DIFFERENCE_MINUEND_FLOW=10774, PETRI_DIFFERENCE_MINUEND_PLACES=4038, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=10874, PETRI_PLACES=4041, PETRI_TRANSITIONS=5389} [2021-10-15 19:15:29,075 INFO L334 CegarLoopForPetriNet]: 4045 programPoint places, -4 predicate places. [2021-10-15 19:15:29,075 INFO L470 AbstractCegarLoop]: Abstraction has has 4041 places, 5389 transitions, 10874 flow [2021-10-15 19:15:29,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5510.666666666667) internal successors, (16532), 3 states have internal predecessors, (16532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:29,091 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:15:29,091 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:15:29,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:29,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:15:29,312 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-15 19:15:29,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:29,312 INFO L82 PathProgramCache]: Analyzing trace with hash -473324972, now seen corresponding path program 1 times [2021-10-15 19:15:29,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:15:29,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935381146] [2021-10-15 19:15:29,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:29,315 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:15:29,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:15:29,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:15:29,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-15 19:15:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:30,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:15:30,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:15:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:30,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:15:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:30,869 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:15:30,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935381146] [2021-10-15 19:15:30,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935381146] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:15:30,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:15:30,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-15 19:15:30,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416730871] [2021-10-15 19:15:30,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:15:30,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:15:30,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:15:30,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:15:30,933 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 5616 out of 5771 [2021-10-15 19:15:30,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4041 places, 5389 transitions, 10874 flow. Second operand has 5 states, 5 states have (on average 5617.4) internal successors, (28087), 5 states have internal predecessors, (28087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:30,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:15:30,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5616 of 5771 [2021-10-15 19:15:30,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:15:31,879 INFO L129 PetriNetUnfolder]: 2654/10671 cut-off events. [2021-10-15 19:15:31,879 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:15:31,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10739 conditions, 10671 events. 2654/10671 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 84440 event pairs, 0 based on Foata normal form. 1/7985 useless extension candidates. Maximal degree in co-relation 10690. Up to 58 conditions per place. [2021-10-15 19:15:31,934 INFO L132 encePairwiseOnDemand]: 5766/5771 looper letters, 11 selfloop transitions, 0 changer transitions 4/5391 dead transitions. [2021-10-15 19:15:31,935 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4045 places, 5391 transitions, 10908 flow [2021-10-15 19:15:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 19:15:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-15 19:15:32,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28096 transitions. [2021-10-15 19:15:32,017 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9736960665395945 [2021-10-15 19:15:32,017 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 28096 transitions. [2021-10-15 19:15:32,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 28096 transitions. [2021-10-15 19:15:32,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:15:32,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 28096 transitions. [2021-10-15 19:15:32,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 5619.2) internal successors, (28096), 5 states have internal predecessors, (28096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:32,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 5771.0) internal successors, (34626), 6 states have internal predecessors, (34626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:32,189 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 5771.0) internal successors, (34626), 6 states have internal predecessors, (34626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:32,190 INFO L186 Difference]: Start difference. First operand has 4041 places, 5389 transitions, 10874 flow. Second operand 5 states and 28096 transitions. [2021-10-15 19:15:32,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 4045 places, 5391 transitions, 10908 flow [2021-10-15 19:15:32,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 4044 places, 5391 transitions, 10904 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-15 19:15:32,322 INFO L242 Difference]: Finished difference. Result has 4047 places, 5387 transitions, 10872 flow [2021-10-15 19:15:32,331 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=5771, PETRI_DIFFERENCE_MINUEND_FLOW=10870, PETRI_DIFFERENCE_MINUEND_PLACES=4040, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=10872, PETRI_PLACES=4047, PETRI_TRANSITIONS=5387} [2021-10-15 19:15:32,332 INFO L334 CegarLoopForPetriNet]: 4045 programPoint places, 2 predicate places. [2021-10-15 19:15:32,332 INFO L470 AbstractCegarLoop]: Abstraction has has 4047 places, 5387 transitions, 10872 flow [2021-10-15 19:15:32,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5617.4) internal successors, (28087), 5 states have internal predecessors, (28087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:32,345 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:15:32,345 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:15:32,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:32,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:15:32,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-15 19:15:32,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:32,559 INFO L82 PathProgramCache]: Analyzing trace with hash -839366508, now seen corresponding path program 1 times [2021-10-15 19:15:32,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:15:32,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430966586] [2021-10-15 19:15:32,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:32,561 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:15:32,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:15:32,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:15:32,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-15 19:15:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:33,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:15:33,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:15:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:33,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:15:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:34,125 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:15:34,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430966586] [2021-10-15 19:15:34,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430966586] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:15:34,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:15:34,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-15 19:15:34,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395752490] [2021-10-15 19:15:34,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-15 19:15:34,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:15:34,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 19:15:34,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-15 19:15:34,164 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 5615 out of 5771 [2021-10-15 19:15:34,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4047 places, 5387 transitions, 10872 flow. Second operand has 4 states, 4 states have (on average 5616.0) internal successors, (22464), 4 states have internal predecessors, (22464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:34,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:15:34,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5615 of 5771 [2021-10-15 19:15:34,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:15:35,967 INFO L129 PetriNetUnfolder]: 5109/20670 cut-off events. [2021-10-15 19:15:35,968 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:15:36,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20831 conditions, 20670 events. 5109/20670 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 192325 event pairs, 2 based on Foata normal form. 0/15506 useless extension candidates. Maximal degree in co-relation 20824. Up to 174 conditions per place. [2021-10-15 19:15:36,074 INFO L132 encePairwiseOnDemand]: 5758/5771 looper letters, 17 selfloop transitions, 12 changer transitions 0/5401 dead transitions. [2021-10-15 19:15:36,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4047 places, 5401 transitions, 10958 flow [2021-10-15 19:15:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 19:15:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-15 19:15:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22495 transitions. [2021-10-15 19:15:36,137 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9744844914226304 [2021-10-15 19:15:36,137 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 22495 transitions. [2021-10-15 19:15:36,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 22495 transitions. [2021-10-15 19:15:36,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:15:36,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 22495 transitions. [2021-10-15 19:15:36,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 5623.75) internal successors, (22495), 4 states have internal predecessors, (22495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:36,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 5771.0) internal successors, (28855), 5 states have internal predecessors, (28855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:36,250 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 5771.0) internal successors, (28855), 5 states have internal predecessors, (28855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:36,251 INFO L186 Difference]: Start difference. First operand has 4047 places, 5387 transitions, 10872 flow. Second operand 4 states and 22495 transitions. [2021-10-15 19:15:36,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 4047 places, 5401 transitions, 10958 flow [2021-10-15 19:15:36,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 4044 places, 5401 transitions, 10952 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-10-15 19:15:36,413 INFO L242 Difference]: Finished difference. Result has 4047 places, 5394 transitions, 10950 flow [2021-10-15 19:15:36,423 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=5771, PETRI_DIFFERENCE_MINUEND_FLOW=10866, PETRI_DIFFERENCE_MINUEND_PLACES=4041, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=10950, PETRI_PLACES=4047, PETRI_TRANSITIONS=5394} [2021-10-15 19:15:36,423 INFO L334 CegarLoopForPetriNet]: 4045 programPoint places, 2 predicate places. [2021-10-15 19:15:36,423 INFO L470 AbstractCegarLoop]: Abstraction has has 4047 places, 5394 transitions, 10950 flow [2021-10-15 19:15:36,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5616.0) internal successors, (22464), 4 states have internal predecessors, (22464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:36,430 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:15:36,431 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:15:36,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:36,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:15:36,653 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-15 19:15:36,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:36,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1381473804, now seen corresponding path program 1 times [2021-10-15 19:15:36,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:15:36,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565807438] [2021-10-15 19:15:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:36,656 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:15:36,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:15:36,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:15:36,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-15 19:16:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:16:31,693 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:17:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:17:11,163 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-15 19:17:11,163 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:17:11,164 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,166 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,167 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,168 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,168 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,168 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,169 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,169 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,169 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,169 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,170 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,171 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,172 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,173 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,174 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,175 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,176 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:17:11,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:17:11,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:17:11,397 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:17:11,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:17:11 BoogieIcfgContainer [2021-10-15 19:17:11,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:17:11,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:17:11,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:17:11,736 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:17:11,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:15:24" (3/4) ... [2021-10-15 19:17:11,740 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:17:11,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:17:11,742 INFO L168 Benchmark]: Toolchain (without parser) took 242513.44 ms. Allocated memory was 62.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 29.3 MB in the beginning and 713.3 MB in the end (delta: -684.1 MB). Peak memory consumption was 910.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:11,748 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:17:11,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3382.30 ms. Allocated memory was 62.9 MB in the beginning and 155.2 MB in the end (delta: 92.3 MB). Free memory was 29.1 MB in the beginning and 83.2 MB in the end (delta: -54.1 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:11,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 890.96 ms. Allocated memory is still 155.2 MB. Free memory was 83.2 MB in the beginning and 50.4 MB in the end (delta: 32.7 MB). Peak memory consumption was 95.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:11,751 INFO L168 Benchmark]: Boogie Preprocessor took 1100.18 ms. Allocated memory was 155.2 MB in the beginning and 369.1 MB in the end (delta: 213.9 MB). Free memory was 50.4 MB in the beginning and 215.3 MB in the end (delta: -164.8 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:11,752 INFO L168 Benchmark]: RCFGBuilder took 130089.01 ms. Allocated memory was 369.1 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 215.3 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 399.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:11,757 INFO L168 Benchmark]: TraceAbstraction took 107037.97 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 714.4 MB in the end (delta: 530.6 MB). Peak memory consumption was 530.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:11,760 INFO L168 Benchmark]: Witness Printer took 4.65 ms. Allocated memory is still 1.7 GB. Free memory was 714.4 MB in the beginning and 713.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:17:11,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3382.30 ms. Allocated memory was 62.9 MB in the beginning and 155.2 MB in the end (delta: 92.3 MB). Free memory was 29.1 MB in the beginning and 83.2 MB in the end (delta: -54.1 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 890.96 ms. Allocated memory is still 155.2 MB. Free memory was 83.2 MB in the beginning and 50.4 MB in the end (delta: 32.7 MB). Peak memory consumption was 95.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1100.18 ms. Allocated memory was 155.2 MB in the beginning and 369.1 MB in the end (delta: 213.9 MB). Free memory was 50.4 MB in the beginning and 215.3 MB in the end (delta: -164.8 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 130089.01 ms. Allocated memory was 369.1 MB in the beginning and 1.7 GB in the end (delta: 1.3 GB). Free memory was 215.3 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 399.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 107037.97 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 714.4 MB in the end (delta: 530.6 MB). Peak memory consumption was 530.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.65 ms. Allocated memory is still 1.7 GB. Free memory was 714.4 MB in the beginning and 713.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L11180] return __VERIFIER_nondet_int(); [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L5879] int tmp ; [L11003] return __VERIFIER_nondet_int(); [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7037] val = (int )__val_gu___1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7038] COND FALSE !(__ret_gu___1 != 0) [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U [L7050] COND TRUE (cflags & 64) != 0 [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] xcomp->comp_free [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9975] xcomp->owner [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10809] reach_error() VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4133 locations, 39 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 106641.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5920.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 746.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 22 SDs, 0 SdLazy, 206 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 500.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 94.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11068occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 222.6ms SsaConstructionTime, 56230.6ms SatisfiabilityAnalysisTime, 970.4ms InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2119 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:17:11,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9bc04e1-fb7d-4152-84e8-91879c8f4437/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...