./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/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-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 000266d1ff8e4d6f60c9fa95c9a128823f423eeb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/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-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 000266d1ff8e4d6f60c9fa95c9a128823f423eeb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:57:07,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:57:07,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:57:07,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:57:07,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:57:07,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:57:07,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:57:07,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:57:07,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:57:07,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:57:07,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:57:07,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:57:07,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:57:07,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:57:07,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:57:07,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:57:07,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:57:07,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:57:07,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:57:07,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:57:07,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:57:07,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:57:07,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:57:07,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:57:07,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:57:07,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:57:07,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:57:07,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:57:07,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:57:07,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:57:07,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:57:07,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:57:07,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:57:07,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:57:07,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:57:07,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:57:07,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:57:07,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:57:07,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:57:07,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:57:07,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:57:07,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 18:57:07,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:57:07,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:57:07,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:57:07,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:57:07,812 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:57:07,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:57:07,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:57:07,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:57:07,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:57:07,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:57:07,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:57:07,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:57:07,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:57:07,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:57:07,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:57:07,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:57:07,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:57:07,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:57:07,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:57:07,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:57:07,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:57:07,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:57:07,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:57:07,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:57:07,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:57:07,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:57:07,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:57:07,815 INFO L138 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer 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(__VERIFIER_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 -> 000266d1ff8e4d6f60c9fa95c9a128823f423eeb [2019-12-07 18:57:07,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:57:07,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:57:07,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:57:07,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:57:07,933 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:57:07,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2019-12-07 18:57:07,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/f0b68bfaa/449a4778892e42ac86eb80fec4f7bcae/FLAGcbdd19b83 [2019-12-07 18:57:08,609 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:57:08,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2019-12-07 18:57:08,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/f0b68bfaa/449a4778892e42ac86eb80fec4f7bcae/FLAGcbdd19b83 [2019-12-07 18:57:09,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/f0b68bfaa/449a4778892e42ac86eb80fec4f7bcae [2019-12-07 18:57:09,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:57:09,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:57:09,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:09,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:57:09,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:57:09,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:09" (1/1) ... [2019-12-07 18:57:09,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a57512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:09, skipping insertion in model container [2019-12-07 18:57:09,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:09" (1/1) ... [2019-12-07 18:57:09,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:57:09,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:57:10,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:10,571 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:57:10,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:11,223 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:57:11,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11 WrapperNode [2019-12-07 18:57:11,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:11,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:11,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:57:11,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:57:11,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:11,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:57:11,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:57:11,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:57:11,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... [2019-12-07 18:57:11,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:57:11,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:57:11,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:57:11,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:57:11,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-12-07 18:57:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:57:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2019-12-07 18:57:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:57:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:57:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:57:12,387 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:12,421 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:12,429 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##650: assume false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##651: assume !false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##657: assume !false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##656: assume false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##663: assume !false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##662: assume false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##671: assume !false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##670: assume false; [2019-12-07 18:57:14,501 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume !false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##762: assume !false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##761: assume false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##419: assume false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##420: assume !false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##429: assume false; [2019-12-07 18:57:14,502 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##430: assume !false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##492: assume false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##493: assume !false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##81: assume !false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2019-12-07 18:57:14,503 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-12-07 18:57:14,504 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2019-12-07 18:57:14,504 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-12-07 18:57:14,504 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2019-12-07 18:57:14,504 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false; [2019-12-07 18:57:14,510 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:14,596 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:28,957 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: 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; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume !false; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !true; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !true; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2019-12-07 18:57:28,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume !false; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume false; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume !false; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: 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; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-12-07 18:57:28,959 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2019-12-07 18:57:28,960 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2019-12-07 18:57:28,960 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3512: assume !false; [2019-12-07 18:57:28,960 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3511: assume false; [2019-12-07 18:57:28,960 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2019-12-07 18:57:28,960 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !true; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !true; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume !false; [2019-12-07 18:57:28,961 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume false; [2019-12-07 18:57:28,962 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-4: assume !true; [2019-12-07 18:57:28,962 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-4: goto; [2019-12-07 18:57:28,962 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-1: assume !true; [2019-12-07 18:57:28,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-1: goto; [2019-12-07 18:57:28,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-2: call __bad_percpu_size(); [2019-12-07 18:57:28,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-3: call __bad_percpu_size(); [2019-12-07 18:57:28,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-1: call __bad_percpu_size(); [2019-12-07 18:57:28,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-6: call __bad_percpu_size(); [2019-12-07 18:57:28,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-7: call __bad_percpu_size(); [2019-12-07 18:57:28,963 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-8: call __bad_percpu_size(); [2019-12-07 18:57:28,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:57:28,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:57:28,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:57:28,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:57:28,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:57:28,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:57:28,964 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-1: ppp_read_#t~ret301.base, ppp_read_#t~ret301.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret301.base, ppp_read_#t~ret301.offset;havoc ppp_read_#t~ret301.base, ppp_read_#t~ret301.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2019-12-07 18:57:28,965 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-2: ppp_read_#t~ret302.base, ppp_read_#t~ret302.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret302.base, ppp_read_#t~ret302.offset;havoc ppp_read_#t~ret302.base, ppp_read_#t~ret302.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; [2019-12-07 18:57:28,965 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-6: ppp_read_#t~ret313.base, ppp_read_#t~ret313.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret313.base, ppp_read_#t~ret313.offset;havoc ppp_read_#t~ret313.base, ppp_read_#t~ret313.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; [2019-12-07 18:57:28,965 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-3: ppp_read_#t~ret303.base, ppp_read_#t~ret303.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret303.base, ppp_read_#t~ret303.offset;havoc ppp_read_#t~ret303.base, ppp_read_#t~ret303.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; [2019-12-07 18:57:28,965 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-7: ppp_read_#t~ret314.base, ppp_read_#t~ret314.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret314.base, ppp_read_#t~ret314.offset;havoc ppp_read_#t~ret314.base, ppp_read_#t~ret314.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; [2019-12-07 18:57:28,965 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-8: ppp_read_#t~ret315.base, ppp_read_#t~ret315.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret315.base, ppp_read_#t~ret315.offset;havoc ppp_read_#t~ret315.base, ppp_read_#t~ret315.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; [2019-12-07 18:57:28,967 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:57:28,967 INFO L287 CfgBuilder]: Removed 5254 assume(true) statements. [2019-12-07 18:57:28,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:28 BoogieIcfgContainer [2019-12-07 18:57:28,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:57:28,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:57:28,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:57:28,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:57:28,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:57:09" (1/3) ... [2019-12-07 18:57:28,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bac8288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:57:28, skipping insertion in model container [2019-12-07 18:57:28,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:11" (2/3) ... [2019-12-07 18:57:28,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bac8288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:57:28, skipping insertion in model container [2019-12-07 18:57:28,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:28" (3/3) ... [2019-12-07 18:57:28,976 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2019-12-07 18:57:28,985 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:57:28,993 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2019-12-07 18:57:29,001 INFO L249 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2019-12-07 18:57:29,031 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:57:29,031 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:57:29,031 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:57:29,031 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:57:29,031 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:57:29,031 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:57:29,031 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:57:29,031 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:57:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states. [2019-12-07 18:57:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 18:57:29,083 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:29,083 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:57:29,084 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ppp_ioctlErr6ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr3ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr5ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr9ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr7ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:29,088 INFO L82 PathProgramCache]: Analyzing trace with hash 146430825, now seen corresponding path program 1 times [2019-12-07 18:57:29,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:29,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771179662] [2019-12-07 18:57:29,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:57:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:57:29,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771179662] [2019-12-07 18:57:29,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:57:29,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:57:29,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887687043] [2019-12-07 18:57:29,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:57:29,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:57:29,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:57:29,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:57:29,396 INFO L87 Difference]: Start difference. First operand 4062 states. Second operand 3 states. [2019-12-07 18:57:29,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:57:29,834 INFO L93 Difference]: Finished difference Result 12094 states and 17034 transitions. [2019-12-07 18:57:29,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:57:29,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 18:57:29,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:57:29,880 INFO L225 Difference]: With dead ends: 12094 [2019-12-07 18:57:29,880 INFO L226 Difference]: Without dead ends: 7867 [2019-12-07 18:57:29,894 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:57:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7867 states. [2019-12-07 18:57:30,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7867 to 7791. [2019-12-07 18:57:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7791 states. [2019-12-07 18:57:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7791 states to 7791 states and 10610 transitions. [2019-12-07 18:57:30,111 INFO L78 Accepts]: Start accepts. Automaton has 7791 states and 10610 transitions. Word has length 10 [2019-12-07 18:57:30,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:57:30,112 INFO L462 AbstractCegarLoop]: Abstraction has 7791 states and 10610 transitions. [2019-12-07 18:57:30,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:57:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 7791 states and 10610 transitions. [2019-12-07 18:57:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 18:57:30,117 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:30,118 INFO L410 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] [2019-12-07 18:57:30,118 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ppp_ioctlErr6ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr3ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr5ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr9ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr7ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:30,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:30,119 INFO L82 PathProgramCache]: Analyzing trace with hash -410394594, now seen corresponding path program 1 times [2019-12-07 18:57:30,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:30,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980085207] [2019-12-07 18:57:30,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:57:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:57:30,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980085207] [2019-12-07 18:57:30,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:57:30,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:57:30,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197120548] [2019-12-07 18:57:30,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:57:30,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:57:30,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:57:30,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:57:30,241 INFO L87 Difference]: Start difference. First operand 7791 states and 10610 transitions. Second operand 3 states. [2019-12-07 18:57:30,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:57:30,464 INFO L93 Difference]: Finished difference Result 17639 states and 24080 transitions. [2019-12-07 18:57:30,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:57:30,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-12-07 18:57:30,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:57:30,503 INFO L225 Difference]: With dead ends: 17639 [2019-12-07 18:57:30,503 INFO L226 Difference]: Without dead ends: 9864 [2019-12-07 18:57:30,516 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:57:30,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9864 states. [2019-12-07 18:57:30,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9864 to 9840. [2019-12-07 18:57:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9840 states. [2019-12-07 18:57:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9840 states to 9840 states and 13463 transitions. [2019-12-07 18:57:30,695 INFO L78 Accepts]: Start accepts. Automaton has 9840 states and 13463 transitions. Word has length 35 [2019-12-07 18:57:30,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:57:30,696 INFO L462 AbstractCegarLoop]: Abstraction has 9840 states and 13463 transitions. [2019-12-07 18:57:30,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:57:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 9840 states and 13463 transitions. [2019-12-07 18:57:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-07 18:57:30,699 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:30,699 INFO L410 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] [2019-12-07 18:57:30,700 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ppp_ioctlErr6ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr3ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr5ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr9ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr7ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:30,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:30,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1065908168, now seen corresponding path program 1 times [2019-12-07 18:57:30,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:30,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827781727] [2019-12-07 18:57:30,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:57:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:57:31,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827781727] [2019-12-07 18:57:31,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:57:31,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:57:31,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850049772] [2019-12-07 18:57:31,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:57:31,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:57:31,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:57:31,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:57:31,015 INFO L87 Difference]: Start difference. First operand 9840 states and 13463 transitions. Second operand 5 states. [2019-12-07 18:57:31,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:57:31,267 INFO L93 Difference]: Finished difference Result 19667 states and 26910 transitions. [2019-12-07 18:57:31,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:57:31,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2019-12-07 18:57:31,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:57:31,308 INFO L225 Difference]: With dead ends: 19667 [2019-12-07 18:57:31,308 INFO L226 Difference]: Without dead ends: 9840 [2019-12-07 18:57:31,325 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:57:31,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9840 states. [2019-12-07 18:57:31,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9840 to 9840. [2019-12-07 18:57:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9840 states. [2019-12-07 18:57:31,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9840 states to 9840 states and 13461 transitions. [2019-12-07 18:57:31,509 INFO L78 Accepts]: Start accepts. Automaton has 9840 states and 13461 transitions. Word has length 42 [2019-12-07 18:57:31,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:57:31,509 INFO L462 AbstractCegarLoop]: Abstraction has 9840 states and 13461 transitions. [2019-12-07 18:57:31,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:57:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 9840 states and 13461 transitions. [2019-12-07 18:57:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-07 18:57:31,512 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:57:31,512 INFO L410 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] [2019-12-07 18:57:31,512 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ppp_ioctlErr6ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr3ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr5ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr9ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr7ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:57:31,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:57:31,513 INFO L82 PathProgramCache]: Analyzing trace with hash 199784655, now seen corresponding path program 1 times [2019-12-07 18:57:31,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:57:31,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984772642] [2019-12-07 18:57:31,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:57:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:57:32,087 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:57:32,087 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:57:32,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:57:32 BoogieIcfgContainer [2019-12-07 18:57:32,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:57:32,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:57:32,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:57:32,209 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:57:32,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:57:28" (3/4) ... [2019-12-07 18:57:32,212 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:57:32,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:57:32,214 INFO L168 Benchmark]: Toolchain (without parser) took 23193.03 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 929.6 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 326.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:32,214 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:32,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2201.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 929.6 MB in the beginning and 980.8 MB in the end (delta: -51.2 MB). Peak memory consumption was 228.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:32,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.27 ms. Allocated memory is still 1.1 GB. Free memory was 980.8 MB in the beginning and 860.9 MB in the end (delta: 119.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:32,215 INFO L168 Benchmark]: Boogie Preprocessor took 370.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 860.9 MB in the beginning and 1.0 GB in the end (delta: -178.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:57:32,216 INFO L168 Benchmark]: RCFGBuilder took 17085.92 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -551.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-12-07 18:57:32,216 INFO L168 Benchmark]: TraceAbstraction took 3237.57 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 266.3 MB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -602.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:32,217 INFO L168 Benchmark]: Witness Printer took 3.07 ms. Allocated memory is still 2.6 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:57:32,219 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2201.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 929.6 MB in the beginning and 980.8 MB in the end (delta: -51.2 MB). Peak memory consumption was 228.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 289.27 ms. Allocated memory is still 1.1 GB. Free memory was 980.8 MB in the beginning and 860.9 MB in the end (delta: 119.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 370.22 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 860.9 MB in the beginning and 1.0 GB in the end (delta: -178.6 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 17085.92 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -551.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * TraceAbstraction took 3237.57 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 266.3 MB). Free memory was 1.6 GB in the beginning and 2.2 GB in the end (delta: -602.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.07 ms. Allocated memory is still 2.6 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10798]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 6156, overapproximation of bitwiseOr at line 7927, overapproximation of bitwiseAnd at line 7928. Possible FailurePath: [L6153-L6160] 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}}; [L6161] static atomic_t ppp_unit_count = {0}; [L6162] static atomic_t channel_count = {0}; [L6163] static int ppp_net_id ; [L6196] static struct class *ppp_class ; [L6257-L6258] 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}; [L6302-L6303] 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}; [L7610-L7635] 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}; [L7668-L7669] 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}; [L7880-L7916] 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}; [L8301] static bool mp_protocol_compress = (bool )1; [L9978] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9979-L9983] 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}}}}; [L10609] int LDV_IN_INTERRUPT ; [L10802] int ldv_module_refcounter = 1; VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10611] struct file *var_group1 ; [L10612] char *var_ppp_read_5_p1 ; [L10613] size_t var_ppp_read_5_p2 ; [L10614] loff_t *var_ppp_read_5_p3 ; [L10615] ssize_t res_ppp_read_5 ; [L10616] char const *var_ppp_write_6_p1 ; [L10617] size_t var_ppp_write_6_p2 ; [L10618] loff_t *var_ppp_write_6_p3 ; [L10619] ssize_t res_ppp_write_6 ; [L10620] poll_table *var_ppp_poll_7_p1 ; [L10621] unsigned int var_ppp_ioctl_9_p1 ; [L10622] unsigned long var_ppp_ioctl_9_p2 ; [L10623] struct inode *var_group2 ; [L10624] int res_ppp_open_3 ; [L10625] struct net *var_group3 ; [L10626] struct sk_buff *var_group4 ; [L10627] struct net_device *var_group5 ; [L10628] struct ifreq *var_group6 ; [L10629] int var_ppp_net_ioctl_15_p2 ; [L10630] int ldv_s_ppp_device_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10636] ldv_s_ppp_device_fops_file_operations = 0 [L10637] LDV_IN_INTERRUPT = 1 VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L7671] int err ; [L7672] struct lock_class_key __key ; [L7673] struct class *tmp ; [L7674] long tmp___0 ; [L7675] long tmp___1 ; [L11150] return __VERIFIER_nondet_int(); [L7679] err = register_pernet_device(& ppp_net_ops) [L7681] COND FALSE !(err != 0) [L5868] int tmp ; [L10973] return __VERIFIER_nondet_int(); [L5871] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5873] return (tmp); VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L7689] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7691] COND FALSE !(err != 0) [L10942] return ldv_malloc(sizeof(struct class)); [L7699] tmp = __class_create(& __this_module, "ppp", & __key) [L7700] ppp_class = tmp [L5206] long tmp ; [L5209] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5211] return (tmp); VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L7701] tmp___1 = IS_ERR((void const *)ppp_class) [L7703] COND FALSE !(tmp___1 != 0L) [L7714] return (0); [L7714] return (0); VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10639] tmp = ppp_init() [L10641] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10773] tmp___1 = __VERIFIER_nondet_int() [L10775] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10648] tmp___0 = __VERIFIER_nondet_int() [L10650] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10653] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10656] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10659] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10662] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10665] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10742] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L6735] struct ppp_file *pf ; [L6736] struct ppp *ppp ; [L6737] int err ; [L6738] int val ; [L6739] int val2 ; [L6740] int i ; [L6741] struct ppp_idle idle ; [L6742] struct npioctl npi ; [L6743] int unit ; [L6744] int cflags ; [L6745] struct slcompress *vj ; [L6746] void *argp ; [L6747] int *p ; [L6748] struct task_struct *tmp ; [L6749] int tmp___0 ; [L6750] struct ppp_file const *__mptr ; [L6751] long tmp___1 ; [L6752] long tmp___2 ; [L6753] struct channel *pch ; [L6754] struct ppp_channel *chan ; [L6755] struct ppp_file const *__mptr___0 ; [L6756] int __ret_gu ; [L6757] unsigned long __val_gu ; [L6758] struct ppp_file const *__mptr___1 ; [L6759] int __ret_gu___0 ; [L6760] unsigned long __val_gu___0 ; [L6761] int __ret_gu___1 ; [L6762] unsigned long __val_gu___1 ; [L6763] int __ret_pu ; [L6764] int __pu_val ; [L6765] int __ret_pu___0 ; [L6766] int __pu_val___0 ; [L6767] int __ret_gu___2 ; [L6768] unsigned long __val_gu___2 ; [L6769] int __ret_pu___1 ; [L6770] int __pu_val___1 ; [L6771] int tmp___3 ; [L6772] int __ret_gu___3 ; [L6773] unsigned long __val_gu___3 ; [L6774] unsigned long tmp___4 ; [L6775] int tmp___5 ; [L6776] struct sock_filter *code ; [L6777] struct sock_filter *code___0 ; [L6778] int __ret_gu___4 ; [L6779] unsigned long __val_gu___4 ; [L6781] EXPR file->private_data [L6781] pf = (struct ppp_file *)file->private_data [L6782] err = -14 [L6783] argp = (void *)arg [L6784] p = (int *)argp VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L6785] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L6793] COND FALSE !(cmd == 1074033724U) [L6829] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L6829] COND FALSE !((unsigned int )pf->kind == 2U) [L6912] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L6912] COND FALSE !((unsigned int )pf->kind != 1U) [L6921] __mptr___1 = (struct ppp_file const *)pf [L6922] ppp = (struct ppp *)__mptr___1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L6924] COND FALSE !((int )cmd == 1074033746) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L6927] COND TRUE (int )cmd == 1074033753 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L7026] val = (int )__val_gu___1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L7027] COND FALSE !(__ret_gu___1 != 0) [L7034] EXPR ppp->flags [L7034] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7035] ppp->flags = (unsigned int )val & 4214508U [L7039] COND TRUE (cflags & 64) != 0 [L9941] void *xstate ; [L9942] void *rstate ; [L9943] struct compressor *xcomp ; [L9944] struct compressor *rcomp ; [L9949] EXPR ppp->flags [L9949] ppp->flags = ppp->flags & 4294967103U [L9950] ppp->xstate = 0U [L9951] EXPR ppp->xcomp [L9951] xcomp = ppp->xcomp [L9952] EXPR ppp->xc_state [L9952] xstate = ppp->xc_state [L9953] ppp->xc_state = (void *)0 [L9954] ppp->rstate = 0U [L9955] EXPR ppp->rcomp [L9955] rcomp = ppp->rcomp [L9956] EXPR ppp->rc_state [L9956] rstate = ppp->rc_state [L9957] ppp->rc_state = (void *)0 [L9961] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9963] xcomp->comp_free [L7920] dev->netdev_ops = & ppp_netdev_ops [L7921] dev->hard_header_len = (unsigned short)4 [L7922] dev->mtu = 1500U [L7923] dev->addr_len = (unsigned char)0 [L7924] dev->tx_queue_len = 3UL [L7925] dev->type = (unsigned short)512 [L7926] dev->flags = 4240U [L7927] EXPR dev->features [L7927] dev->features = dev->features | 8192U [L7928] EXPR dev->priv_flags [L7928] dev->priv_flags = dev->priv_flags & 4294966271U [L9964] xcomp->owner [L10834] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10835] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] [L10798] __VERIFIER_error() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551622:18446744073709551629}, channel_count={118:0}, compressor_list={101:0}, compressor_list_lock={92:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={23:0}, ppp_class={0:0}, ppp_device_fops={17:0}, ppp_mutex={95:0}, ppp_net_id={34:0}, ppp_net_ops={97:0}, ppp_netdev_ops={42:0}, ppp_unit_count={127:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 4062 locations, 39 error locations. Result: UNSAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16325 SDtfs, 7000 SDslu, 26917 SDs, 0 SdLazy, 194 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9840occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 100 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 4998 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:57:33,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:57:33,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:57:33,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:57:33,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:57:33,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:57:33,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:57:33,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:57:33,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:57:33,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:57:33,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:57:33,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:57:33,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:57:33,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:57:33,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:57:33,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:57:33,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:57:33,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:57:33,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:57:33,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:57:33,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:57:33,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:57:33,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:57:33,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:57:33,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:57:33,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:57:33,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:57:33,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:57:33,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:57:33,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:57:33,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:57:33,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:57:33,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:57:33,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:57:33,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:57:33,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:57:33,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:57:33,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:57:33,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:57:33,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:57:33,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:57:33,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 18:57:33,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:57:33,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:57:33,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:57:33,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:57:33,721 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:57:33,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:57:33,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:57:33,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:57:33,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:57:33,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:57:33,722 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:57:33,722 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:57:33,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:57:33,722 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:57:33,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:57:33,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:57:33,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:57:33,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:57:33,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:57:33,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:57:33,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:57:33,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 18:57:33,724 INFO L138 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer 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(__VERIFIER_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 -> 000266d1ff8e4d6f60c9fa95c9a128823f423eeb [2019-12-07 18:57:33,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:57:33,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:57:33,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:57:33,903 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:57:33,903 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:57:33,904 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2019-12-07 18:57:33,948 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/bf794870b/58bdf6bb91dc4598b676a0ffb85495f7/FLAG5ea067656 [2019-12-07 18:57:34,601 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:57:34,601 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2019-12-07 18:57:34,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/bf794870b/58bdf6bb91dc4598b676a0ffb85495f7/FLAG5ea067656 [2019-12-07 18:57:34,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/data/bf794870b/58bdf6bb91dc4598b676a0ffb85495f7 [2019-12-07 18:57:34,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:57:34,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:57:34,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:34,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:57:34,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:57:34,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:34" (1/1) ... [2019-12-07 18:57:34,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5258ce92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:34, skipping insertion in model container [2019-12-07 18:57:34,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:57:34" (1/1) ... [2019-12-07 18:57:34,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:57:35,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:57:36,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:36,570 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:57:36,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:57:37,224 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:57:37,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37 WrapperNode [2019-12-07 18:57:37,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:57:37,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:37,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:57:37,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:57:37,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:57:37,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:57:37,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:57:37,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:57:37,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... [2019-12-07 18:57:37,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:57:37,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:57:37,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:57:37,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:57:37,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:57:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 18:57:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2019-12-07 18:57:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-12-07 18:57:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:57:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:57:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2019-12-07 18:57:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-12-07 18:57:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2019-12-07 18:57:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:57:37,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:57:38,426 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:38,583 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:38,590 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:38,594 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:57:38,626 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 18:59:37,505 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2591: assume !false; [2019-12-07 18:59:37,505 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2590: assume false; [2019-12-07 18:59:37,505 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2580: assume false; [2019-12-07 18:59:37,505 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2581: assume !false; [2019-12-07 18:59:37,505 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2584: assume false; [2019-12-07 18:59:37,505 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2585: assume !false; [2019-12-07 18:59:37,505 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3899: assume false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2443: assume !false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2442: assume false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2438: assume false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume !false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2267: assume false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2268: assume !false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2241: assume false; [2019-12-07 18:59:37,506 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2242: assume !false; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##98: 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; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume !false; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume false; [2019-12-07 18:59:37,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !true; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !true; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !false; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume !false; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume false; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume !false; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: 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; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2019-12-07 18:59:37,508 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false; [2019-12-07 18:59:37,509 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-12-07 18:59:37,509 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-12-07 18:59:37,509 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2236: assume !false; [2019-12-07 18:59:37,509 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2235: assume false; [2019-12-07 18:59:37,509 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2019-12-07 18:59:37,509 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2019-12-07 18:59:37,510 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2922: assume false; [2019-12-07 18:59:37,510 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2923: assume !false; [2019-12-07 18:59:37,510 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2832: assume !false; [2019-12-07 18:59:37,510 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2831: assume false; [2019-12-07 18:59:37,510 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2818: assume !false; [2019-12-07 18:59:37,510 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2817: assume false; [2019-12-07 18:59:37,510 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2823: assume false; [2019-12-07 18:59:37,511 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2824: assume !false; [2019-12-07 18:59:37,511 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2812: assume !false; [2019-12-07 18:59:37,511 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2811: assume false; [2019-12-07 18:59:37,511 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3900: assume !false; [2019-12-07 18:59:37,511 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2019-12-07 18:59:37,511 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !true; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2654: assume !false; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2653: assume false; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !true; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2019-12-07 18:59:37,512 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2019-12-07 18:59:37,513 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume !false; [2019-12-07 18:59:37,513 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##117: assume false; [2019-12-07 18:59:37,513 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2180: assume !false; [2019-12-07 18:59:37,514 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2175: assume false; [2019-12-07 18:59:37,514 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2176: assume !false; [2019-12-07 18:59:37,514 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2179: assume false; [2019-12-07 18:59:37,514 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2166: assume false; [2019-12-07 18:59:37,514 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2167: assume !false; [2019-12-07 18:59:37,514 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-4: assume !true; [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-4: goto; [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-1: assume !true; [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5170-1: goto; [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-2: call __bad_percpu_size(); [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-3: call __bad_percpu_size(); [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-1: call __bad_percpu_size(); [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-6: call __bad_percpu_size(); [2019-12-07 18:59:37,515 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-7: call __bad_percpu_size(); [2019-12-07 18:59:37,516 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5173-8: call __bad_percpu_size(); [2019-12-07 18:59:37,516 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:59:37,516 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:59:37,516 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:59:37,516 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:59:37,516 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:59:37,516 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5174-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2019-12-07 18:59:37,517 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-1: ppp_read_#t~ret301.base, ppp_read_#t~ret301.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret301.base, ppp_read_#t~ret301.offset;havoc ppp_read_#t~ret301.base, ppp_read_#t~ret301.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2019-12-07 18:59:37,517 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-2: ppp_read_#t~ret302.base, ppp_read_#t~ret302.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret302.base, ppp_read_#t~ret302.offset;havoc ppp_read_#t~ret302.base, ppp_read_#t~ret302.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; [2019-12-07 18:59:37,517 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-6: ppp_read_#t~ret313.base, ppp_read_#t~ret313.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret313.base, ppp_read_#t~ret313.offset;havoc ppp_read_#t~ret313.base, ppp_read_#t~ret313.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; [2019-12-07 18:59:37,517 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-3: ppp_read_#t~ret303.base, ppp_read_#t~ret303.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret303.base, ppp_read_#t~ret303.offset;havoc ppp_read_#t~ret303.base, ppp_read_#t~ret303.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; [2019-12-07 18:59:37,517 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-7: ppp_read_#t~ret314.base, ppp_read_#t~ret314.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret314.base, ppp_read_#t~ret314.offset;havoc ppp_read_#t~ret314.base, ppp_read_#t~ret314.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; [2019-12-07 18:59:37,517 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint L5192-8: ppp_read_#t~ret315.base, ppp_read_#t~ret315.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret315.base, ppp_read_#t~ret315.offset;havoc ppp_read_#t~ret315.base, ppp_read_#t~ret315.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; [2019-12-07 18:59:37,519 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:59:37,519 INFO L287 CfgBuilder]: Removed 5154 assume(true) statements. [2019-12-07 18:59:37,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:37 BoogieIcfgContainer [2019-12-07 18:59:37,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:59:37,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:59:37,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:59:37,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:59:37,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:57:34" (1/3) ... [2019-12-07 18:59:37,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f685911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:59:37, skipping insertion in model container [2019-12-07 18:59:37,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:57:37" (2/3) ... [2019-12-07 18:59:37,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f685911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:59:37, skipping insertion in model container [2019-12-07 18:59:37,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:37" (3/3) ... [2019-12-07 18:59:37,528 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2019-12-07 18:59:37,536 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:59:37,544 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2019-12-07 18:59:37,553 INFO L249 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2019-12-07 18:59:37,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:59:37,579 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:59:37,579 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:59:37,580 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:59:37,580 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:59:37,580 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:59:37,580 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:59:37,580 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:59:37,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states. [2019-12-07 18:59:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 18:59:37,629 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:37,629 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:37,630 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:37,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:37,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1409194679, now seen corresponding path program 1 times [2019-12-07 18:59:37,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:59:37,642 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143507371] [2019-12-07 18:59:37,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 18:59:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:38,330 INFO L264 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:38,334 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:38,356 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:59:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:38,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143507371] [2019-12-07 18:59:38,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:38,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:59:38,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426380991] [2019-12-07 18:59:38,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:59:38,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:59:38,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:59:38,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:59:38,381 INFO L87 Difference]: Start difference. First operand 3832 states. Second operand 3 states. [2019-12-07 18:59:38,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:38,906 INFO L93 Difference]: Finished difference Result 11404 states and 15942 transitions. [2019-12-07 18:59:38,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:59:38,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 18:59:38,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:38,950 INFO L225 Difference]: With dead ends: 11404 [2019-12-07 18:59:38,950 INFO L226 Difference]: Without dead ends: 7407 [2019-12-07 18:59:38,960 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:59:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7407 states. [2019-12-07 18:59:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7407 to 7331. [2019-12-07 18:59:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7331 states. [2019-12-07 18:59:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7331 states to 7331 states and 9885 transitions. [2019-12-07 18:59:39,159 INFO L78 Accepts]: Start accepts. Automaton has 7331 states and 9885 transitions. Word has length 10 [2019-12-07 18:59:39,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:39,160 INFO L462 AbstractCegarLoop]: Abstraction has 7331 states and 9885 transitions. [2019-12-07 18:59:39,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:59:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 7331 states and 9885 transitions. [2019-12-07 18:59:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 18:59:39,164 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:39,164 INFO L410 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] [2019-12-07 18:59:39,365 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:59:39,365 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:39,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:39,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1665120500, now seen corresponding path program 1 times [2019-12-07 18:59:39,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:59:39,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271835117] [2019-12-07 18:59:39,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 18:59:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:40,100 INFO L264 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:59:40,102 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:40,119 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:59:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:40,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271835117] [2019-12-07 18:59:40,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:40,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 18:59:40,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271713330] [2019-12-07 18:59:40,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:59:40,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:59:40,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:59:40,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:59:40,127 INFO L87 Difference]: Start difference. First operand 7331 states and 9885 transitions. Second operand 5 states. [2019-12-07 18:59:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:40,411 INFO L93 Difference]: Finished difference Result 14649 states and 19754 transitions. [2019-12-07 18:59:40,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:59:40,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2019-12-07 18:59:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:40,438 INFO L225 Difference]: With dead ends: 14649 [2019-12-07 18:59:40,438 INFO L226 Difference]: Without dead ends: 7331 [2019-12-07 18:59:40,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:59:40,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7331 states. [2019-12-07 18:59:40,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7331 to 7331. [2019-12-07 18:59:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7331 states. [2019-12-07 18:59:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7331 states to 7331 states and 9883 transitions. [2019-12-07 18:59:40,601 INFO L78 Accepts]: Start accepts. Automaton has 7331 states and 9883 transitions. Word has length 35 [2019-12-07 18:59:40,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:40,601 INFO L462 AbstractCegarLoop]: Abstraction has 7331 states and 9883 transitions. [2019-12-07 18:59:40,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:59:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 7331 states and 9883 transitions. [2019-12-07 18:59:40,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-07 18:59:40,603 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:40,603 INFO L410 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] [2019-12-07 18:59:40,803 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:59:40,804 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:40,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:40,804 INFO L82 PathProgramCache]: Analyzing trace with hash -280784569, now seen corresponding path program 1 times [2019-12-07 18:59:40,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:59:40,805 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356097630] [2019-12-07 18:59:40,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 18:59:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:41,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:41,588 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:41,595 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:59:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:41,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356097630] [2019-12-07 18:59:41,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:41,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 18:59:41,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115212525] [2019-12-07 18:59:41,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:59:41,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:59:41,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:59:41,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:59:41,608 INFO L87 Difference]: Start difference. First operand 7331 states and 9883 transitions. Second operand 4 states. [2019-12-07 18:59:41,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:41,929 INFO L93 Difference]: Finished difference Result 21649 states and 29150 transitions. [2019-12-07 18:59:41,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:59:41,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2019-12-07 18:59:41,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:41,978 INFO L225 Difference]: With dead ends: 21649 [2019-12-07 18:59:41,978 INFO L226 Difference]: Without dead ends: 14334 [2019-12-07 18:59:41,989 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:59:42,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14334 states. [2019-12-07 18:59:42,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14334 to 14226. [2019-12-07 18:59:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14226 states. [2019-12-07 18:59:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14226 states to 14226 states and 19200 transitions. [2019-12-07 18:59:42,295 INFO L78 Accepts]: Start accepts. Automaton has 14226 states and 19200 transitions. Word has length 40 [2019-12-07 18:59:42,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:42,295 INFO L462 AbstractCegarLoop]: Abstraction has 14226 states and 19200 transitions. [2019-12-07 18:59:42,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:59:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 14226 states and 19200 transitions. [2019-12-07 18:59:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-07 18:59:42,298 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:42,298 INFO L410 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] [2019-12-07 18:59:42,498 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:59:42,499 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:42,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1542873191, now seen corresponding path program 1 times [2019-12-07 18:59:42,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:59:42,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282120038] [2019-12-07 18:59:42,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b9ad99a-5d1d-4c50-a450-9aa8ac472f85/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 19:00:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:00:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:00:31,437 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 19:00:31,438 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:00:31,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 19:00:31,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:00:31 BoogieIcfgContainer [2019-12-07 19:00:31,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:00:31,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:00:31,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:00:31,816 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:00:31,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:37" (3/4) ... [2019-12-07 19:00:31,819 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:00:31,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:00:31,820 INFO L168 Benchmark]: Toolchain (without parser) took 176875.04 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 936.2 MB in the beginning and 1.3 GB in the end (delta: -341.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-12-07 19:00:31,821 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:00:31,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2277.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.2 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -223.2 MB). Peak memory consumption was 302.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:31,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 327.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:31,822 INFO L168 Benchmark]: Boogie Preprocessor took 364.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 933.2 MB in the end (delta: 121.9 MB). Peak memory consumption was 121.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:31,823 INFO L168 Benchmark]: RCFGBuilder took 119604.34 ms. Allocated memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 933.2 MB in the beginning and 1.7 GB in the end (delta: -720.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2019-12-07 19:00:31,823 INFO L168 Benchmark]: TraceAbstraction took 54293.08 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 373.8 MB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 376.2 MB). Peak memory consumption was 750.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:00:31,824 INFO L168 Benchmark]: Witness Printer took 2.95 ms. Allocated memory is still 2.7 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:00:31,827 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2277.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.2 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -223.2 MB). Peak memory consumption was 302.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 327.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 364.70 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 933.2 MB in the end (delta: 121.9 MB). Peak memory consumption was 121.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 119604.34 ms. Allocated memory was 1.3 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 933.2 MB in the beginning and 1.7 GB in the end (delta: -720.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * TraceAbstraction took 54293.08 ms. Allocated memory was 2.4 GB in the beginning and 2.7 GB in the end (delta: 373.8 MB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 376.2 MB). Peak memory consumption was 750.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.95 ms. Allocated memory is still 2.7 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10798]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 6156. Possible FailurePath: [L6153-L6160] 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}}; [L6161] static atomic_t ppp_unit_count = {0}; [L6162] static atomic_t channel_count = {0}; [L6163] static int ppp_net_id ; [L6196] static struct class *ppp_class ; [L6257-L6258] 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}; [L6302-L6303] 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}; [L7610-L7635] 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}; [L7668-L7669] 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}; [L7880-L7916] 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}; [L8301] static bool mp_protocol_compress = (bool )1; [L9978] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9979-L9983] 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}}}}; [L10609] int LDV_IN_INTERRUPT ; [L10802] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={0:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10611] struct file *var_group1 ; [L10612] char *var_ppp_read_5_p1 ; [L10613] size_t var_ppp_read_5_p2 ; [L10614] loff_t *var_ppp_read_5_p3 ; [L10615] ssize_t res_ppp_read_5 ; [L10616] char const *var_ppp_write_6_p1 ; [L10617] size_t var_ppp_write_6_p2 ; [L10618] loff_t *var_ppp_write_6_p3 ; [L10619] ssize_t res_ppp_write_6 ; [L10620] poll_table *var_ppp_poll_7_p1 ; [L10621] unsigned int var_ppp_ioctl_9_p1 ; [L10622] unsigned long var_ppp_ioctl_9_p2 ; [L10623] struct inode *var_group2 ; [L10624] int res_ppp_open_3 ; [L10625] struct net *var_group3 ; [L10626] struct sk_buff *var_group4 ; [L10627] struct net_device *var_group5 ; [L10628] struct ifreq *var_group6 ; [L10629] int var_ppp_net_ioctl_15_p2 ; [L10630] int ldv_s_ppp_device_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10636] ldv_s_ppp_device_fops_file_operations = 0 [L10637] LDV_IN_INTERRUPT = 1 VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={0:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L7671] int err ; [L7672] struct lock_class_key __key ; [L7673] struct class *tmp ; [L7674] long tmp___0 ; [L7675] long tmp___1 ; [L11150] return __VERIFIER_nondet_int(); [L7679] err = register_pernet_device(& ppp_net_ops) [L7681] COND FALSE !(err != 0) [L5868] int tmp ; [L10973] return __VERIFIER_nondet_int(); [L5871] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5873] return (tmp); VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={0:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L7689] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7691] COND FALSE !(err != 0) [L10942] return ldv_malloc(sizeof(struct class)); [L7699] tmp = __class_create(& __this_module, "ppp", & __key) [L7700] ppp_class = tmp [L5206] long tmp ; [L5209] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5211] return (tmp); VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L7701] tmp___1 = IS_ERR((void const *)ppp_class) [L7703] COND FALSE !(tmp___1 != 0L) [L7714] return (0); [L7714] return (0); VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10639] tmp = ppp_init() [L10641] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10773] tmp___1 = __VERIFIER_nondet_int() [L10775] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10648] tmp___0 = __VERIFIER_nondet_int() [L10650] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10653] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10656] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10659] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10662] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10665] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L6735] struct ppp_file *pf ; [L6736] struct ppp *ppp ; [L6737] int err ; [L6738] int val ; [L6739] int val2 ; [L6740] int i ; [L6741] struct ppp_idle idle ; [L6742] struct npioctl npi ; [L6743] int unit ; [L6744] int cflags ; [L6745] struct slcompress *vj ; [L6746] void *argp ; [L6747] int *p ; [L6748] struct task_struct *tmp ; [L6749] int tmp___0 ; [L6750] struct ppp_file const *__mptr ; [L6751] long tmp___1 ; [L6752] long tmp___2 ; [L6753] struct channel *pch ; [L6754] struct ppp_channel *chan ; [L6755] struct ppp_file const *__mptr___0 ; [L6756] int __ret_gu ; [L6757] unsigned long __val_gu ; [L6758] struct ppp_file const *__mptr___1 ; [L6759] int __ret_gu___0 ; [L6760] unsigned long __val_gu___0 ; [L6761] int __ret_gu___1 ; [L6762] unsigned long __val_gu___1 ; [L6763] int __ret_pu ; [L6764] int __pu_val ; [L6765] int __ret_pu___0 ; [L6766] int __pu_val___0 ; [L6767] int __ret_gu___2 ; [L6768] unsigned long __val_gu___2 ; [L6769] int __ret_pu___1 ; [L6770] int __pu_val___1 ; [L6771] int tmp___3 ; [L6772] int __ret_gu___3 ; [L6773] unsigned long __val_gu___3 ; [L6774] unsigned long tmp___4 ; [L6775] int tmp___5 ; [L6776] struct sock_filter *code ; [L6777] struct sock_filter *code___0 ; [L6778] int __ret_gu___4 ; [L6779] unsigned long __val_gu___4 ; [L6781] EXPR file->private_data [L6781] pf = (struct ppp_file *)file->private_data [L6782] err = -14 [L6783] argp = (void *)arg [L6784] p = (int *)argp VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L6785] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L6793] COND FALSE !(cmd == 1074033724U) [L6829] EXPR pf->kind VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L6829] COND FALSE !((unsigned int )pf->kind == 2U) [L6912] EXPR pf->kind VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L6912] COND FALSE !((unsigned int )pf->kind != 1U) [L6921] __mptr___1 = (struct ppp_file const *)pf [L6922] ppp = (struct ppp *)__mptr___1 VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L6924] COND FALSE !((int )cmd == 1074033746) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L6927] COND TRUE (int )cmd == 1074033753 VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L7026] val = (int )__val_gu___1 VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L7027] COND FALSE !(__ret_gu___1 != 0) [L7034] EXPR ppp->flags [L7034] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7035] ppp->flags = (unsigned int )val & 4214508U [L7039] COND TRUE (cflags & 64) != 0 [L9941] void *xstate ; [L9942] void *rstate ; [L9943] struct compressor *xcomp ; [L9944] struct compressor *rcomp ; [L9949] EXPR ppp->flags [L9949] ppp->flags = ppp->flags & 4294967103U [L9950] ppp->xstate = 0U [L9951] EXPR ppp->xcomp [L9951] xcomp = ppp->xcomp [L9952] EXPR ppp->xc_state [L9952] xstate = ppp->xc_state [L9953] ppp->xc_state = (void *)0 [L9954] ppp->rstate = 0U [L9955] EXPR ppp->rcomp [L9955] rcomp = ppp->rcomp [L9956] EXPR ppp->rc_state [L9956] rstate = ppp->rc_state [L9957] ppp->rc_state = (void *)0 [L9961] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9963] xcomp->comp_free [L7920] dev->netdev_ops = & ppp_netdev_ops [L7921] dev->hard_header_len = (unsigned short)4 [L7922] dev->mtu = 1500U [L7923] dev->addr_len = (unsigned char)0 [L7924] dev->tx_queue_len = 3UL [L7925] dev->type = (unsigned short)512 [L7926] dev->flags = 4240U [L7927] EXPR dev->features [L7927] dev->features = dev->features | 8192U [L7928] EXPR dev->priv_flags [L7928] dev->priv_flags = dev->priv_flags & 4294966271U [L9964] xcomp->owner [L10834] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10835] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] [L10798] __VERIFIER_error() VAL [__this_module={0:0}, channel_count={-1073741746:0}, compressor_list={26:0}, compressor_list_lock={1073872930:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1073741135:0}, npindex_to_proto={-1056798718:0}, ppp_class={570425344:0}, ppp_device_fops={-1073217406:0}, ppp_mutex={1601961843:0}, ppp_net_id={-1073741182:0}, ppp_net_ops={-1073610746:0}, ppp_netdev_ops={805306417:0}, ppp_unit_count={-814768266:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3832 locations, 39 error locations. Result: UNSAFE, OverallTime: 54.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 15230 SDtfs, 12385 SDslu, 27616 SDs, 0 SdLazy, 207 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14226occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 184 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 19.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 11891 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2082 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...