./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/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_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt --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_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/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_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt --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-4e77c04 [2021-10-13 00:18:53,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:18:53,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:18:53,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:18:53,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:18:53,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:18:53,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:18:53,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:18:53,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:18:53,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:18:53,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:18:53,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:18:53,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:18:53,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:18:53,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:18:53,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:18:53,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:18:53,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:18:53,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:18:53,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:18:53,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:18:53,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:18:53,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:18:53,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:18:53,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:18:53,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:18:53,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:18:53,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:18:53,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:18:53,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:18:53,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:18:53,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:18:53,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:18:53,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:18:53,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:18:53,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:18:53,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:18:53,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:18:53,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:18:53,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:18:53,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:18:53,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-13 00:18:53,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:18:53,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:18:53,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:18:53,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:18:53,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:18:53,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:18:53,814 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:18:53,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:18:53,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:18:53,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:18:53,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:18:53,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:18:53,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:18:53,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:18:53,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:18:53,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:18:53,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:18:53,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:18:53,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:18:53,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:18:53,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:18:53,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:18:53,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:18:53,818 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:18:53,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:18:53,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:18:53,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:18:53,818 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_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2021-10-13 00:18:54,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:18:54,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:18:54,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:18:54,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:18:54,092 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:18:54,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-13 00:18:54,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/256c8ef50/2c2a6d4693bc410e843ce142ed70ff94/FLAG579ce920c [2021-10-13 00:18:55,068 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:18:55,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-13 00:18:55,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/256c8ef50/2c2a6d4693bc410e843ce142ed70ff94/FLAG579ce920c [2021-10-13 00:18:55,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/256c8ef50/2c2a6d4693bc410e843ce142ed70ff94 [2021-10-13 00:18:55,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:18:55,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:18:55,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:18:55,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:18:55,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:18:55,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:55" (1/1) ... [2021-10-13 00:18:55,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b81512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:55, skipping insertion in model container [2021-10-13 00:18:55,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:55" (1/1) ... [2021-10-13 00:18:55,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:18:55,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:18:57,870 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_c0eac5ce-7387-4490-87d1-e3915df5a34d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-13 00:18:57,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:18:57,946 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:18:58,376 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_c0eac5ce-7387-4490-87d1-e3915df5a34d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-13 00:18:58,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:18:58,707 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:18:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58 WrapperNode [2021-10-13 00:18:58,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:18:58,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:18:58,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:18:58,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:18:58,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:18:58,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:18:59,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:18:59,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:18:59,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:18:59,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:18:59,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:18:59,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:18:59,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:18:59,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:19:00,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:19:00,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:19:00,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:19:00,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:19:00,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:19:00,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:19:00,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:19:00,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (1/1) ... [2021-10-13 00:19:00,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:19:00,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:00,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:00,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:19:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-13 00:19:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-13 00:19:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-13 00:19:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:19:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:19:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:19:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:19:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-13 00:19:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-10-13 00:19:00,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-10-13 00:19:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:19:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:19:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:19:01,706 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:01,754 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:01,795 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:04,932 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-10-13 00:19:04,932 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-10-13 00:19:04,932 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##672: assume false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##673: assume !false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##679: assume !false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##678: assume false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##687: assume !false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##686: assume false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume !false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##294: assume !false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##293: assume false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume false; [2021-10-13 00:19:04,933 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##789: assume false; [2021-10-13 00:19:04,934 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume !false; [2021-10-13 00:19:04,934 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2021-10-13 00:19:04,934 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2021-10-13 00:19:04,934 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume false; [2021-10-13 00:19:04,934 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##440: assume !false; [2021-10-13 00:19:04,934 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-10-13 00:19:04,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-10-13 00:19:04,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##508: assume false; [2021-10-13 00:19:04,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##509: assume !false; [2021-10-13 00:19:04,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !false; [2021-10-13 00:19:04,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume false; [2021-10-13 00:19:04,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-10-13 00:19:04,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-10-13 00:19:04,936 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2021-10-13 00:19:04,936 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-13 00:19:04,936 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-10-13 00:19:04,936 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-13 00:19:04,937 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-10-13 00:19:04,937 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2021-10-13 00:19:04,937 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !false; [2021-10-13 00:19:04,937 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume false; [2021-10-13 00:19:04,949 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:05,264 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:21,146 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3743: assume !false; [2021-10-13 00:19:21,147 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3742: assume false; [2021-10-13 00:19:21,148 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-10-13 00:19:21,148 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-13 00:19:21,148 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-13 00:19:21,148 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-13 00:19:21,148 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-13 00:19:21,148 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-10-13 00:19:21,149 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-10-13 00:19:21,149 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-10-13 00:19:21,149 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-10-13 00:19:21,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-10-13 00:19:21,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-10-13 00:19:21,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-10-13 00:19:21,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-10-13 00:19:21,150 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; [2021-10-13 00:19:21,150 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-10-13 00:19:21,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-10-13 00:19:21,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-10-13 00:19:21,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-10-13 00:19:21,151 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-10-13 00:19:21,152 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; [2021-10-13 00:19:21,152 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-10-13 00:19:21,152 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-10-13 00:19:21,152 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-10-13 00:19:21,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-10-13 00:19:21,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-10-13 00:19:21,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-10-13 00:19:21,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-10-13 00:19:21,153 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-10-13 00:19:21,154 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-10-13 00:19:21,154 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-10-13 00:19:21,155 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-10-13 00:19:21,155 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-10-13 00:19:21,155 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-10-13 00:19:21,156 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-10-13 00:19:21,156 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-10-13 00:19:21,156 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-10-13 00:19:21,157 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-10-13 00:19:21,157 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-10-13 00:19:21,157 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-10-13 00:19:21,158 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-10-13 00:19:21,158 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; [2021-10-13 00:19:21,158 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; [2021-10-13 00:19:21,159 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; [2021-10-13 00:19:21,159 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; [2021-10-13 00:19:21,160 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; [2021-10-13 00:19:21,160 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; [2021-10-13 00:19:21,160 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; [2021-10-13 00:19:21,160 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; [2021-10-13 00:19:21,161 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; [2021-10-13 00:19:21,161 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; [2021-10-13 00:19:21,161 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; [2021-10-13 00:19:21,161 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; [2021-10-13 00:19:21,214 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:19:21,214 INFO L299 CfgBuilder]: Removed 5584 assume(true) statements. [2021-10-13 00:19:21,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:19:21 BoogieIcfgContainer [2021-10-13 00:19:21,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:19:21,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:19:21,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:19:21,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:19:21,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:18:55" (1/3) ... [2021-10-13 00:19:21,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:19:21, skipping insertion in model container [2021-10-13 00:19:21,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:58" (2/3) ... [2021-10-13 00:19:21,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:19:21, skipping insertion in model container [2021-10-13 00:19:21,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:19:21" (3/3) ... [2021-10-13 00:19:21,242 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-13 00:19:21,248 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:19:21,248 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-13 00:19:21,317 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:19:21,323 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=FINITE_AUTOMATA, 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 [2021-10-13 00:19:21,323 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-13 00:19:21,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 4363 states, 4318 states have (on average 1.4187123668364985) internal successors, (6126), 4357 states have internal predecessors, (6126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 00:19:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:19:21,426 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:19:21,427 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:19:21,428 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-13 00:19:21,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:21,434 INFO L82 PathProgramCache]: Analyzing trace with hash 611387097, now seen corresponding path program 1 times [2021-10-13 00:19:21,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:21,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695503487] [2021-10-13 00:19:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:21,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:19:22,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:19:22,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695503487] [2021-10-13 00:19:22,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695503487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:19:22,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:19:22,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:19:22,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149284812] [2021-10-13 00:19:22,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:19:22,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:19:22,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:19:22,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:19:22,101 INFO L87 Difference]: Start difference. First operand has 4363 states, 4318 states have (on average 1.4187123668364985) internal successors, (6126), 4357 states have internal predecessors, (6126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-13 00:19:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:19:22,907 INFO L93 Difference]: Finished difference Result 12998 states and 18305 transitions. [2021-10-13 00:19:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:19:22,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) Word has length 10 [2021-10-13 00:19:22,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:19:22,993 INFO L225 Difference]: With dead ends: 12998 [2021-10-13 00:19:22,993 INFO L226 Difference]: Without dead ends: 8464 [2021-10-13 00:19:23,164 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:19:23,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8464 states. [2021-10-13 00:19:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8464 to 8388. [2021-10-13 00:19:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8388 states, 8339 states have (on average 1.3583163448854778) internal successors, (11327), 8377 states have internal predecessors, (11327), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2021-10-13 00:19:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 11342 transitions. [2021-10-13 00:19:23,610 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 11342 transitions. Word has length 10 [2021-10-13 00:19:23,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:19:23,611 INFO L470 AbstractCegarLoop]: Abstraction has 8388 states and 11342 transitions. [2021-10-13 00:19:23,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-13 00:19:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 11342 transitions. [2021-10-13 00:19:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:19:23,624 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:19:23,624 INFO L512 BasicCegarLoop]: 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] [2021-10-13 00:19:23,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:19:23,625 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-13 00:19:23,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:23,628 INFO L82 PathProgramCache]: Analyzing trace with hash -213849618, now seen corresponding path program 1 times [2021-10-13 00:19:23,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:23,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254728044] [2021-10-13 00:19:23,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:23,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:19:23,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:19:23,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254728044] [2021-10-13 00:19:23,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254728044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:19:23,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:19:23,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:19:23,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186779605] [2021-10-13 00:19:23,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:19:23,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:19:23,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:19:23,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:19:23,913 INFO L87 Difference]: Start difference. First operand 8388 states and 11342 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-13 00:19:24,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:19:24,355 INFO L93 Difference]: Finished difference Result 18994 states and 25742 transitions. [2021-10-13 00:19:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:19:24,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 35 [2021-10-13 00:19:24,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:19:24,428 INFO L225 Difference]: With dead ends: 18994 [2021-10-13 00:19:24,428 INFO L226 Difference]: Without dead ends: 10627 [2021-10-13 00:19:24,454 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:19:24,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10627 states. [2021-10-13 00:19:24,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10627 to 10603. [2021-10-13 00:19:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10603 states, 10552 states have (on average 1.362680060652009) internal successors, (14379), 10590 states have internal predecessors, (14379), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2021-10-13 00:19:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10603 states to 10603 states and 14399 transitions. [2021-10-13 00:19:24,904 INFO L78 Accepts]: Start accepts. Automaton has 10603 states and 14399 transitions. Word has length 35 [2021-10-13 00:19:24,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:19:24,904 INFO L470 AbstractCegarLoop]: Abstraction has 10603 states and 14399 transitions. [2021-10-13 00:19:24,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-13 00:19:24,906 INFO L276 IsEmpty]: Start isEmpty. Operand 10603 states and 14399 transitions. [2021-10-13 00:19:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 00:19:24,911 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:19:24,911 INFO L512 BasicCegarLoop]: 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] [2021-10-13 00:19:24,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:19:24,912 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-13 00:19:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:24,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1656598579, now seen corresponding path program 1 times [2021-10-13 00:19:24,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:24,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895272417] [2021-10-13 00:19:24,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:24,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:19:25,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:19:25,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895272417] [2021-10-13 00:19:25,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895272417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:19:25,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:19:25,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:19:25,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051569338] [2021-10-13 00:19:25,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:19:25,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:19:25,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:19:25,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:19:25,862 INFO L87 Difference]: Start difference. First operand 10603 states and 14399 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:26,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:19:26,269 INFO L93 Difference]: Finished difference Result 21188 states and 28776 transitions. [2021-10-13 00:19:26,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:19:26,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-13 00:19:26,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:19:26,351 INFO L225 Difference]: With dead ends: 21188 [2021-10-13 00:19:26,351 INFO L226 Difference]: Without dead ends: 10603 [2021-10-13 00:19:26,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 68.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:19:26,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10603 states. [2021-10-13 00:19:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10603 to 10603. [2021-10-13 00:19:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10603 states, 10552 states have (on average 1.3624905231235784) internal successors, (14377), 10590 states have internal predecessors, (14377), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2021-10-13 00:19:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10603 states to 10603 states and 14397 transitions. [2021-10-13 00:19:26,704 INFO L78 Accepts]: Start accepts. Automaton has 10603 states and 14397 transitions. Word has length 42 [2021-10-13 00:19:26,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:19:26,708 INFO L470 AbstractCegarLoop]: Abstraction has 10603 states and 14397 transitions. [2021-10-13 00:19:26,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 10603 states and 14397 transitions. [2021-10-13 00:19:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 00:19:26,715 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:19:26,715 INFO L512 BasicCegarLoop]: 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, 1] [2021-10-13 00:19:26,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:19:26,716 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-13 00:19:26,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:26,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1930573677, now seen corresponding path program 1 times [2021-10-13 00:19:26,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:26,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783502313] [2021-10-13 00:19:26,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:26,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:27,320 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:28,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:28,020 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:19:28,021 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,023 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,027 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,028 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,029 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,029 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,029 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,030 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,030 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,031 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,031 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,031 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,033 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,033 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,033 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,033 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,034 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,034 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,034 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,034 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,035 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,035 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,035 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,035 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,036 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,036 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,036 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,037 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,037 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,037 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,037 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:19:28,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:19:28,046 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:19:28,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:19:28 BoogieIcfgContainer [2021-10-13 00:19:28,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:19:28,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:19:28,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:19:28,327 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:19:28,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:19:21" (3/4) ... [2021-10-13 00:19:28,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:19:28,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:19:28,335 INFO L168 Benchmark]: Toolchain (without parser) took 32793.66 ms. Allocated memory was 94.4 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 53.5 MB in the beginning and 1.0 GB in the end (delta: -955.5 MB). Peak memory consumption was 369.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:28,336 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:28,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3167.00 ms. Allocated memory was 94.4 MB in the beginning and 195.0 MB in the end (delta: 100.7 MB). Free memory was 53.3 MB in the beginning and 86.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:28,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 885.01 ms. Allocated memory was 195.0 MB in the beginning and 377.5 MB in the end (delta: 182.5 MB). Free memory was 84.9 MB in the beginning and 264.3 MB in the end (delta: -179.4 MB). Peak memory consumption was 104.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:28,343 INFO L168 Benchmark]: Boogie Preprocessor took 1233.19 ms. Allocated memory is still 377.5 MB. Free memory was 264.3 MB in the beginning and 215.4 MB in the end (delta: 48.9 MB). Peak memory consumption was 123.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:28,344 INFO L168 Benchmark]: RCFGBuilder took 20394.39 ms. Allocated memory was 377.5 MB in the beginning and 773.8 MB in the end (delta: 396.4 MB). Free memory was 215.4 MB in the beginning and 349.6 MB in the end (delta: -134.3 MB). Peak memory consumption was 436.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:28,345 INFO L168 Benchmark]: TraceAbstraction took 7099.14 ms. Allocated memory was 773.8 MB in the beginning and 1.4 GB in the end (delta: 643.8 MB). Free memory was 348.6 MB in the beginning and 1.0 GB in the end (delta: -660.5 MB). Peak memory consumption was 265.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:28,346 INFO L168 Benchmark]: Witness Printer took 6.11 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:28,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3167.00 ms. Allocated memory was 94.4 MB in the beginning and 195.0 MB in the end (delta: 100.7 MB). Free memory was 53.3 MB in the beginning and 86.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 885.01 ms. Allocated memory was 195.0 MB in the beginning and 377.5 MB in the end (delta: 182.5 MB). Free memory was 84.9 MB in the beginning and 264.3 MB in the end (delta: -179.4 MB). Peak memory consumption was 104.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1233.19 ms. Allocated memory is still 377.5 MB. Free memory was 264.3 MB in the beginning and 215.4 MB in the end (delta: 48.9 MB). Peak memory consumption was 123.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 20394.39 ms. Allocated memory was 377.5 MB in the beginning and 773.8 MB in the end (delta: 396.4 MB). Free memory was 215.4 MB in the beginning and 349.6 MB in the end (delta: -134.3 MB). Peak memory consumption was 436.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7099.14 ms. Allocated memory was 773.8 MB in the beginning and 1.4 GB in the end (delta: 643.8 MB). Free memory was 348.6 MB in the beginning and 1.0 GB in the end (delta: -660.5 MB). Peak memory consumption was 265.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.11 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. 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, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939. 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={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [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={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [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={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [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={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [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={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [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 [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L7037] val = (int )__val_gu___1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [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 [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] - 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 3 procedures, 4363 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 6729.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 58.1ms, AutomataDifference: 2150.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 68.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 17432 SDtfs, 7477 SDslu, 28750 SDs, 0 SdLazy, 194 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 282.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 76.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10603occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1206.3ms AutomataMinimizationTime, 3 MinimizatonAttempts, 100 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 94.4ms SsaConstructionTime, 1674.4ms SatisfiabilityAnalysisTime, 491.6ms InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2021-10-13 00:19:28,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:19:30,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:19:30,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:19:30,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:19:30,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:19:30,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:19:30,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:19:30,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:19:30,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:19:30,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:19:30,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:19:30,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:19:30,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:19:30,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:19:30,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:19:30,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:19:30,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:19:30,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:19:31,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:19:31,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:19:31,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:19:31,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:19:31,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:19:31,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:19:31,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:19:31,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:19:31,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:19:31,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:19:31,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:19:31,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:19:31,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:19:31,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:19:31,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:19:31,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:19:31,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:19:31,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:19:31,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:19:31,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:19:31,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:19:31,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:19:31,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:19:31,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-13 00:19:31,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:19:31,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:19:31,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:19:31,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:19:31,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:19:31,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:19:31,096 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:19:31,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:19:31,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:19:31,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:19:31,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:19:31,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:19:31,098 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:19:31,099 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:19:31,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:19:31,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:19:31,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:19:31,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:19:31,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:19:31,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:19:31,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:19:31,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:19:31,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:19:31,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:19:31,102 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:19:31,102 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:19:31,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:19:31,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:19:31,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:19:31,103 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_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2021-10-13 00:19:31,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:19:31,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:19:31,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:19:31,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:19:31,580 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:19:31,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-13 00:19:31,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/b7716cb2f/aedea3b2d46f48958156e6f535f2f777/FLAG1620a4412 [2021-10-13 00:19:32,699 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:19:32,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-13 00:19:32,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/b7716cb2f/aedea3b2d46f48958156e6f535f2f777/FLAG1620a4412 [2021-10-13 00:19:33,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/data/b7716cb2f/aedea3b2d46f48958156e6f535f2f777 [2021-10-13 00:19:33,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:19:33,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:19:33,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:19:33,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:19:33,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:19:33,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:19:33" (1/1) ... [2021-10-13 00:19:33,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0d7cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:33, skipping insertion in model container [2021-10-13 00:19:33,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:19:33" (1/1) ... [2021-10-13 00:19:33,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:19:33,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:19:35,620 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_c0eac5ce-7387-4490-87d1-e3915df5a34d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-13 00:19:35,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:19:35,710 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:19:36,132 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_c0eac5ce-7387-4490-87d1-e3915df5a34d/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-13 00:19:36,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:19:36,508 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:19:36,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36 WrapperNode [2021-10-13 00:19:36,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:19:36,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:19:36,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:19:36,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:19:36,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:36,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:37,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:19:37,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:19:37,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:19:37,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:19:37,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:37,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:37,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:37,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:38,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:38,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:38,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:38,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:19:38,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:19:38,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:19:38,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:19:38,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (1/1) ... [2021-10-13 00:19:38,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:19:38,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:38,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:38,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:19:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-13 00:19:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-13 00:19:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-13 00:19:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:19:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-13 00:19:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-13 00:19:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-13 00:19:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:19:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:19:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-13 00:19:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-13 00:19:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-13 00:19:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:19:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:19:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 00:19:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:19:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-13 00:19:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-13 00:19:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-13 00:19:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-10-13 00:19:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-13 00:19:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-10-13 00:19:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:19:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:19:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-13 00:19:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-10-13 00:19:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-10-13 00:19:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-13 00:19:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-13 00:19:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:19:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:19:39,493 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:39,769 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:39,791 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:39,801 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:19:39,894 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:21:45,052 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2438: assume false; [2021-10-13 00:21:45,052 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume !false; [2021-10-13 00:21:45,052 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-10-13 00:21:45,052 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-10-13 00:21:45,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2409: assume !false; [2021-10-13 00:21:45,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2408: assume false; [2021-10-13 00:21:45,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume !false; [2021-10-13 00:21:45,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2334: assume false; [2021-10-13 00:21:45,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2339: assume !false; [2021-10-13 00:21:45,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2338: assume false; [2021-10-13 00:21:45,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2326: assume !false; [2021-10-13 00:21:45,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2325: assume false; [2021-10-13 00:21:45,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-10-13 00:21:45,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-13 00:21:45,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-13 00:21:45,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-13 00:21:45,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-13 00:21:45,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-10-13 00:21:45,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-10-13 00:21:45,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-10-13 00:21:45,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-10-13 00:21:45,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-10-13 00:21:45,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-10-13 00:21:45,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-10-13 00:21:45,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-10-13 00:21:45,057 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; [2021-10-13 00:21:45,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-10-13 00:21:45,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-10-13 00:21:45,057 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-10-13 00:21:45,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2993: assume !false; [2021-10-13 00:21:45,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2992: assume false; [2021-10-13 00:21:45,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2999: assume !false; [2021-10-13 00:21:45,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2998: assume false; [2021-10-13 00:21:45,058 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2986: assume false; [2021-10-13 00:21:45,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2987: assume !false; [2021-10-13 00:21:45,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2829: assume !false; [2021-10-13 00:21:45,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2828: assume false; [2021-10-13 00:21:45,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2755: assume false; [2021-10-13 00:21:45,059 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2756: assume !false; [2021-10-13 00:21:45,060 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2759: assume false; [2021-10-13 00:21:45,060 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2760: assume !false; [2021-10-13 00:21:45,060 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2766: assume !false; [2021-10-13 00:21:45,060 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2765: assume false; [2021-10-13 00:21:45,060 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2609: assume false; [2021-10-13 00:21:45,061 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2610: assume !false; [2021-10-13 00:21:45,061 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2614: assume !false; [2021-10-13 00:21:45,061 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2613: assume false; [2021-10-13 00:21:45,061 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-10-13 00:21:45,061 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-10-13 00:21:45,062 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; [2021-10-13 00:21:45,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-10-13 00:21:45,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-10-13 00:21:45,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-10-13 00:21:45,062 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-10-13 00:21:45,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-10-13 00:21:45,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-10-13 00:21:45,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-10-13 00:21:45,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-10-13 00:21:45,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-10-13 00:21:45,063 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-10-13 00:21:45,064 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3006: assume false; [2021-10-13 00:21:45,064 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3007: assume !false; [2021-10-13 00:21:45,064 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4158: assume false; [2021-10-13 00:21:45,064 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4159: assume !false; [2021-10-13 00:21:45,065 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3110: assume !false; [2021-10-13 00:21:45,065 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3109: assume false; [2021-10-13 00:21:45,066 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-10-13 00:21:45,066 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-10-13 00:21:45,067 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-10-13 00:21:45,067 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-10-13 00:21:45,067 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-10-13 00:21:45,067 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-10-13 00:21:45,067 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-10-13 00:21:45,067 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-10-13 00:21:45,068 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-10-13 00:21:45,068 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-10-13 00:21:45,068 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; [2021-10-13 00:21:45,068 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; [2021-10-13 00:21:45,068 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; [2021-10-13 00:21:45,069 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; [2021-10-13 00:21:45,069 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; [2021-10-13 00:21:45,069 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; [2021-10-13 00:21:45,069 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; [2021-10-13 00:21:45,069 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; [2021-10-13 00:21:45,070 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; [2021-10-13 00:21:45,070 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; [2021-10-13 00:21:45,070 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; [2021-10-13 00:21:45,070 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; [2021-10-13 00:21:45,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:21:45,111 INFO L299 CfgBuilder]: Removed 5484 assume(true) statements. [2021-10-13 00:21:45,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:21:45 BoogieIcfgContainer [2021-10-13 00:21:45,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:21:45,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:21:45,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:21:45,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:21:45,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:19:33" (1/3) ... [2021-10-13 00:21:45,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5d9040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:21:45, skipping insertion in model container [2021-10-13 00:21:45,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:36" (2/3) ... [2021-10-13 00:21:45,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5d9040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:21:45, skipping insertion in model container [2021-10-13 00:21:45,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:21:45" (3/3) ... [2021-10-13 00:21:45,126 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-13 00:21:45,132 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:21:45,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-13 00:21:45,196 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:21:45,202 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=FINITE_AUTOMATA, 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 [2021-10-13 00:21:45,203 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-13 00:21:45,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 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) [2021-10-13 00:21:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:21:45,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:21:45,288 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:21:45,289 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)] === [2021-10-13 00:21:45,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:21:45,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1393895239, now seen corresponding path program 1 times [2021-10-13 00:21:45,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:21:45,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204202913] [2021-10-13 00:21:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:21:45,311 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:21:45,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:21:45,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:21:45,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:21:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:21:46,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:21:46,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:21:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:21:46,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:21:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:21:46,620 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:21:46,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204202913] [2021-10-13 00:21:46,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204202913] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:21:46,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:21:46,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:21:46,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830883149] [2021-10-13 00:21:46,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:21:46,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:21:46,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:21:46,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:21:46,659 INFO L87 Difference]: Start difference. First operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 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) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-13 00:21:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:21:47,719 INFO L93 Difference]: Finished difference Result 12308 states and 17213 transitions. [2021-10-13 00:21:47,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:21:47,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) Word has length 10 [2021-10-13 00:21:47,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:21:47,802 INFO L225 Difference]: With dead ends: 12308 [2021-10-13 00:21:47,803 INFO L226 Difference]: Without dead ends: 8004 [2021-10-13 00:21:47,822 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:21:47,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2021-10-13 00:21:48,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 7928. [2021-10-13 00:21:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.3457979465077956) internal successors, (10617), 7927 states have internal predecessors, (10617), 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) [2021-10-13 00:21:48,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10617 transitions. [2021-10-13 00:21:48,227 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10617 transitions. Word has length 10 [2021-10-13 00:21:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:21:48,228 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10617 transitions. [2021-10-13 00:21:48,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-13 00:21:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10617 transitions. [2021-10-13 00:21:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:21:48,240 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:21:48,240 INFO L512 BasicCegarLoop]: 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] [2021-10-13 00:21:48,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:21:48,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:21:48,460 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)] === [2021-10-13 00:21:48,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:21:48,461 INFO L82 PathProgramCache]: Analyzing trace with hash -473324972, now seen corresponding path program 1 times [2021-10-13 00:21:48,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:21:48,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012072403] [2021-10-13 00:21:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:21:48,465 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:21:48,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:21:48,467 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:21:48,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 00:21:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:21:49,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:21:49,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:21:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:21:49,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:21:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:21:50,023 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:21:50,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012072403] [2021-10-13 00:21:50,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012072403] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:21:50,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:21:50,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 00:21:50,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449922567] [2021-10-13 00:21:50,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:21:50,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:21:50,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:21:50,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:21:50,027 INFO L87 Difference]: Start difference. First operand 7928 states and 10617 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-13 00:21:50,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:21:50,519 INFO L93 Difference]: Finished difference Result 15838 states and 21212 transitions. [2021-10-13 00:21:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:21:50,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) Word has length 35 [2021-10-13 00:21:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:21:50,568 INFO L225 Difference]: With dead ends: 15838 [2021-10-13 00:21:50,568 INFO L226 Difference]: Without dead ends: 7928 [2021-10-13 00:21:50,583 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 81.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:21:50,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7928 states. [2021-10-13 00:21:50,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7928 to 7928. [2021-10-13 00:21:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.345544428951705) internal successors, (10615), 7927 states have internal predecessors, (10615), 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) [2021-10-13 00:21:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10615 transitions. [2021-10-13 00:21:50,864 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10615 transitions. Word has length 35 [2021-10-13 00:21:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:21:50,865 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10615 transitions. [2021-10-13 00:21:50,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-13 00:21:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10615 transitions. [2021-10-13 00:21:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 00:21:50,867 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:21:50,868 INFO L512 BasicCegarLoop]: 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] [2021-10-13 00:21:50,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:21:51,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:21:51,086 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)] === [2021-10-13 00:21:51,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:21:51,086 INFO L82 PathProgramCache]: Analyzing trace with hash -839366508, now seen corresponding path program 1 times [2021-10-13 00:21:51,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:21:51,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701540755] [2021-10-13 00:21:51,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:21:51,089 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:21:51,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:21:51,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:21:51,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 00:21:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:21:52,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:21:52,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:21:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:21:52,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:21:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:21:52,955 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:21:52,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701540755] [2021-10-13 00:21:52,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701540755] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:21:52,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:21:52,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 00:21:52,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152891705] [2021-10-13 00:21:52,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:21:52,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:21:52,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:21:52,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:21:52,958 INFO L87 Difference]: Start difference. First operand 7928 states and 10615 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-10-13 00:21:53,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:21:53,606 INFO L93 Difference]: Finished difference Result 23310 states and 31184 transitions. [2021-10-13 00:21:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:21:53,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) Word has length 42 [2021-10-13 00:21:53,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:21:53,707 INFO L225 Difference]: With dead ends: 23310 [2021-10-13 00:21:53,707 INFO L226 Difference]: Without dead ends: 15403 [2021-10-13 00:21:53,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:21:53,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15403 states. [2021-10-13 00:21:54,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15403 to 15295. [2021-10-13 00:21:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15295 states, 15256 states have (on average 1.344257996853697) internal successors, (20508), 15294 states have internal predecessors, (20508), 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) [2021-10-13 00:21:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15295 states to 15295 states and 20508 transitions. [2021-10-13 00:21:54,346 INFO L78 Accepts]: Start accepts. Automaton has 15295 states and 20508 transitions. Word has length 42 [2021-10-13 00:21:54,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:21:54,347 INFO L470 AbstractCegarLoop]: Abstraction has 15295 states and 20508 transitions. [2021-10-13 00:21:54,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-10-13 00:21:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 15295 states and 20508 transitions. [2021-10-13 00:21:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-13 00:21:54,353 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:21:54,354 INFO L512 BasicCegarLoop]: 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] [2021-10-13 00:21:54,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:21:54,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:21:54,570 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)] === [2021-10-13 00:21:54,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:21:54,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1381473804, now seen corresponding path program 1 times [2021-10-13 00:21:54,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:21:54,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670610305] [2021-10-13 00:21:54,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:21:54,574 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:21:54,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:21:54,576 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:21:54,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 00:22:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:22:40,704 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:23:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:23:12,816 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-13 00:23:12,817 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:23:12,817 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,819 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,821 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,822 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:12,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 00:23:13,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:23:13,047 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:23:13,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:23:13 BoogieIcfgContainer [2021-10-13 00:23:13,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:23:13,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:23:13,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:23:13,266 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:23:13,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:21:45" (3/4) ... [2021-10-13 00:23:13,270 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:23:13,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:23:13,271 INFO L168 Benchmark]: Toolchain (without parser) took 220201.45 ms. Allocated memory was 60.8 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 28.4 MB in the beginning and 841.3 MB in the end (delta: -812.9 MB). Peak memory consumption was 807.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:13,272 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:13,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3440.78 ms. Allocated memory was 60.8 MB in the beginning and 157.3 MB in the end (delta: 96.5 MB). Free memory was 28.2 MB in the beginning and 63.6 MB in the end (delta: -35.4 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:13,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 878.52 ms. Allocated memory was 157.3 MB in the beginning and 310.4 MB in the end (delta: 153.1 MB). Free memory was 63.6 MB in the beginning and 209.0 MB in the end (delta: -145.4 MB). Peak memory consumption was 69.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:13,274 INFO L168 Benchmark]: Boogie Preprocessor took 1229.01 ms. Allocated memory is still 310.4 MB. Free memory was 209.0 MB in the beginning and 151.3 MB in the end (delta: 57.7 MB). Peak memory consumption was 109.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:13,274 INFO L168 Benchmark]: RCFGBuilder took 126497.26 ms. Allocated memory was 310.4 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 151.3 MB in the beginning and 1.1 GB in the end (delta: -969.1 MB). Peak memory consumption was 404.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:13,275 INFO L168 Benchmark]: TraceAbstraction took 88145.89 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 841.3 MB in the end (delta: 278.1 MB). Peak memory consumption was 277.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:13,275 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.7 GB. Free memory is still 841.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:13,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3440.78 ms. Allocated memory was 60.8 MB in the beginning and 157.3 MB in the end (delta: 96.5 MB). Free memory was 28.2 MB in the beginning and 63.6 MB in the end (delta: -35.4 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 878.52 ms. Allocated memory was 157.3 MB in the beginning and 310.4 MB in the end (delta: 153.1 MB). Free memory was 63.6 MB in the beginning and 209.0 MB in the end (delta: -145.4 MB). Peak memory consumption was 69.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1229.01 ms. Allocated memory is still 310.4 MB. Free memory was 209.0 MB in the beginning and 151.3 MB in the end (delta: 57.7 MB). Peak memory consumption was 109.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 126497.26 ms. Allocated memory was 310.4 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 151.3 MB in the beginning and 1.1 GB in the end (delta: -969.1 MB). Peak memory consumption was 404.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 88145.89 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 841.3 MB in the end (delta: 278.1 MB). Peak memory consumption was 277.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.7 GB. Free memory is still 841.3 MB. There was no memory consumed. 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. OverallTime: 87851.9ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 40.5ms, AutomataDifference: 2516.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 62.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 16337 SDtfs, 15806 SDslu, 29454 SDs, 0 SdLazy, 204 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 546.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 107.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15295occurred in iteration=3, 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: 1289.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 184 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 227.9ms SsaConstructionTime, 47413.9ms SatisfiabilityAnalysisTime, 1290.5ms 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 [2021-10-13 00:23:13,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0eac5ce-7387-4490-87d1-e3915df5a34d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...