./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:23:15,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:23:15,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:23:15,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:23:15,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:23:15,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:23:15,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:23:15,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:23:15,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:23:15,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:23:15,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:23:15,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:23:15,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:23:15,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:23:15,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:23:15,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:23:15,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:23:15,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:23:15,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:23:15,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:23:15,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:23:15,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:23:15,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:23:15,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:23:15,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:23:15,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:23:15,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:23:15,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:23:15,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:23:15,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:23:15,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:23:15,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:23:15,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:23:15,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:23:15,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:23:15,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:23:15,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:23:15,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:23:15,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:23:15,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:23:15,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:23:15,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-21 20:23:15,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:23:15,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:23:15,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:23:15,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:23:15,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:23:15,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:23:15,610 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:23:15,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:23:15,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:23:15,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:23:15,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:23:15,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:23:15,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:23:15,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:23:15,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:23:15,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:23:15,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:23:15,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:23:15,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:23:15,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:23:15,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:23:15,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:23:15,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:23:15,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:23:15,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:23:15,624 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:23:15,624 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:23:15,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:23:15,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:23:15,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-10-21 20:23:15,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:23:15,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:23:15,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:23:15,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:23:15,968 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:23:15,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-21 20:23:16,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/2ba9cfb5d/5cf6a144d6b14a6cb3ada2a49fbc9dbc/FLAG198867b88 [2021-10-21 20:23:17,168 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:23:17,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-21 20:23:17,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/2ba9cfb5d/5cf6a144d6b14a6cb3ada2a49fbc9dbc/FLAG198867b88 [2021-10-21 20:23:17,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/2ba9cfb5d/5cf6a144d6b14a6cb3ada2a49fbc9dbc [2021-10-21 20:23:17,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:23:17,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:23:17,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:23:17,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:23:17,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:23:17,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:23:17" (1/1) ... [2021-10-21 20:23:17,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be94584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:17, skipping insertion in model container [2021-10-21 20:23:17,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:23:17" (1/1) ... [2021-10-21 20:23:17,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:23:17,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:23:20,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-21 20:23:20,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:23:20,334 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:23:20,744 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-21 20:23:20,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:23:21,144 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:23:21,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21 WrapperNode [2021-10-21 20:23:21,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:23:21,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:23:21,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:23:21,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:23:21,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:21,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:22,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:23:22,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:23:22,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:23:22,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:23:22,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:22,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:22,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:22,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:23,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:23,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:23,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:23,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:23:23,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:23:23,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:23:23,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:23:23,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (1/1) ... [2021-10-21 20:23:23,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:23:23,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:23,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:23,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:23:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-21 20:23:23,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-10-21 20:23:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-21 20:23:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 20:23:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:23:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:23:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:23:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:23:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:23:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-21 20:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-21 20:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-21 20:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-10-21 20:23:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-10-21 20:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:23:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:23:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:23:24,964 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:23:25,030 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:23:25,050 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:23:28,924 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-10-21 20:23:28,925 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-10-21 20:23:28,925 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##672: assume false; [2021-10-21 20:23:28,925 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##673: assume !false; [2021-10-21 20:23:28,925 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##679: assume !false; [2021-10-21 20:23:28,926 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##678: assume false; [2021-10-21 20:23:28,926 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##687: assume !false; [2021-10-21 20:23:28,926 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##686: assume false; [2021-10-21 20:23:28,926 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume !false; [2021-10-21 20:23:28,926 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##294: assume !false; [2021-10-21 20:23:28,927 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##293: assume false; [2021-10-21 20:23:28,927 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume false; [2021-10-21 20:23:28,927 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##789: assume false; [2021-10-21 20:23:28,927 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume !false; [2021-10-21 20:23:28,928 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2021-10-21 20:23:28,928 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2021-10-21 20:23:28,928 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume false; [2021-10-21 20:23:28,928 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##440: assume !false; [2021-10-21 20:23:28,929 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-10-21 20:23:28,929 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-10-21 20:23:28,929 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##508: assume false; [2021-10-21 20:23:28,929 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##509: assume !false; [2021-10-21 20:23:28,930 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !false; [2021-10-21 20:23:28,930 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume false; [2021-10-21 20:23:28,930 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-10-21 20:23:28,930 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-10-21 20:23:28,931 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2021-10-21 20:23:28,931 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-10-21 20:23:28,931 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-10-21 20:23:28,931 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-10-21 20:23:28,931 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-10-21 20:23:28,932 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2021-10-21 20:23:28,932 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !false; [2021-10-21 20:23:28,932 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##118: assume false; [2021-10-21 20:23:28,940 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:23:29,179 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:23:47,834 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3743: assume !false; [2021-10-21 20:23:47,836 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3742: assume false; [2021-10-21 20:23:47,837 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-10-21 20:23:47,838 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-21 20:23:47,838 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-21 20:23:47,838 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-21 20:23:47,839 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-21 20:23:47,839 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-10-21 20:23:47,839 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-10-21 20:23:47,839 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-10-21 20:23:47,839 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-10-21 20:23:47,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-10-21 20:23:47,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-10-21 20:23:47,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-10-21 20:23:47,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-10-21 20:23:47,840 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-10-21 20:23:47,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-10-21 20:23:47,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-10-21 20:23:47,841 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-10-21 20:23:47,842 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-10-21 20:23:47,842 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,842 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-10-21 20:23:47,842 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-10-21 20:23:47,842 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-10-21 20:23:47,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-10-21 20:23:47,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-10-21 20:23:47,843 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-10-21 20:23:47,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-10-21 20:23:47,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-10-21 20:23:47,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-10-21 20:23:47,844 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-10-21 20:23:47,846 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-10-21 20:23:47,846 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-10-21 20:23:47,847 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-10-21 20:23:47,847 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-10-21 20:23:47,847 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-10-21 20:23:47,847 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-10-21 20:23:47,848 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-10-21 20:23:47,849 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-10-21 20:23:47,849 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-10-21 20:23:47,849 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-10-21 20:23:47,850 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,851 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,851 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,851 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,851 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,852 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:23:47,852 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-1: ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;havoc ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2021-10-21 20:23:47,852 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-2: ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;havoc ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;ppp_read_~__ptr___0~0.base, ppp_read_~__ptr___0~0.offset := ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset; [2021-10-21 20:23:47,852 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-3: ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;havoc ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;ppp_read_~__ptr___1~0.base, ppp_read_~__ptr___1~0.offset := ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset; [2021-10-21 20:23:47,853 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-8: ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;havoc ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;ppp_read_~__ptr___5~0.base, ppp_read_~__ptr___5~0.offset := ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset; [2021-10-21 20:23:47,853 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-6: ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;havoc ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;ppp_read_~__ptr___3~0.base, ppp_read_~__ptr___3~0.offset := ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset; [2021-10-21 20:23:47,853 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-7: ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;havoc ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;ppp_read_~__ptr___4~0.base, ppp_read_~__ptr___4~0.offset := ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset; [2021-10-21 20:23:47,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:23:47,917 INFO L299 CfgBuilder]: Removed 5584 assume(true) statements. [2021-10-21 20:23:47,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:47 BoogieIcfgContainer [2021-10-21 20:23:47,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:23:47,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:23:47,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:23:47,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:23:47,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:23:17" (1/3) ... [2021-10-21 20:23:47,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179ca30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:23:47, skipping insertion in model container [2021-10-21 20:23:47,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:23:21" (2/3) ... [2021-10-21 20:23:47,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179ca30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:23:47, skipping insertion in model container [2021-10-21 20:23:47,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:47" (3/3) ... [2021-10-21 20:23:47,941 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-21 20:23:47,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:23:47,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-21 20:23:48,050 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:23:48,062 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:23:48,072 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-21 20:23:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 4363 states, 4318 states have (on average 1.4187123668364985) internal successors, (6126), 4357 states have internal predecessors, (6126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-21 20:23:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 20:23:48,223 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:48,224 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:48,224 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:23:48,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:48,229 INFO L82 PathProgramCache]: Analyzing trace with hash 611387097, now seen corresponding path program 1 times [2021-10-21 20:23:48,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:48,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696883728] [2021-10-21 20:23:48,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:48,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:48,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:48,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:48,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696883728] [2021-10-21 20:23:48,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696883728] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:48,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:48,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:23:48,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867848757] [2021-10-21 20:23:48,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:23:48,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:48,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:48,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:48,903 INFO L87 Difference]: Start difference. First operand has 4363 states, 4318 states have (on average 1.4187123668364985) internal successors, (6126), 4357 states have internal predecessors, (6126), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:49,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:49,725 INFO L93 Difference]: Finished difference Result 12998 states and 18305 transitions. [2021-10-21 20:23:49,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:23:49,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-21 20:23:49,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:49,819 INFO L225 Difference]: With dead ends: 12998 [2021-10-21 20:23:49,819 INFO L226 Difference]: Without dead ends: 8464 [2021-10-21 20:23:49,854 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:49,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8464 states. [2021-10-21 20:23:50,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8464 to 8388. [2021-10-21 20:23:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8388 states, 8339 states have (on average 1.3583163448854778) internal successors, (11327), 8377 states have internal predecessors, (11327), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2021-10-21 20:23:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8388 states to 8388 states and 11342 transitions. [2021-10-21 20:23:50,315 INFO L78 Accepts]: Start accepts. Automaton has 8388 states and 11342 transitions. Word has length 10 [2021-10-21 20:23:50,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:50,315 INFO L470 AbstractCegarLoop]: Abstraction has 8388 states and 11342 transitions. [2021-10-21 20:23:50,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8388 states and 11342 transitions. [2021-10-21 20:23:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-21 20:23:50,330 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:50,331 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:50,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:23:50,331 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:23:50,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:50,335 INFO L82 PathProgramCache]: Analyzing trace with hash -213849618, now seen corresponding path program 1 times [2021-10-21 20:23:50,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:50,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635564802] [2021-10-21 20:23:50,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:50,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:50,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:50,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635564802] [2021-10-21 20:23:50,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635564802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:50,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:50,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:23:50,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155856021] [2021-10-21 20:23:50,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:23:50,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:50,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:50,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:50,611 INFO L87 Difference]: Start difference. First operand 8388 states and 11342 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:51,200 INFO L93 Difference]: Finished difference Result 18994 states and 25742 transitions. [2021-10-21 20:23:51,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:23:51,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-21 20:23:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:51,270 INFO L225 Difference]: With dead ends: 18994 [2021-10-21 20:23:51,270 INFO L226 Difference]: Without dead ends: 10627 [2021-10-21 20:23:51,289 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10627 states. [2021-10-21 20:23:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10627 to 10603. [2021-10-21 20:23:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10603 states, 10552 states have (on average 1.362680060652009) internal successors, (14379), 10590 states have internal predecessors, (14379), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2021-10-21 20:23:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10603 states to 10603 states and 14399 transitions. [2021-10-21 20:23:51,673 INFO L78 Accepts]: Start accepts. Automaton has 10603 states and 14399 transitions. Word has length 35 [2021-10-21 20:23:51,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:51,674 INFO L470 AbstractCegarLoop]: Abstraction has 10603 states and 14399 transitions. [2021-10-21 20:23:51,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 10603 states and 14399 transitions. [2021-10-21 20:23:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-21 20:23:51,680 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:51,680 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:51,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:23:51,681 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:23:51,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:51,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1656598579, now seen corresponding path program 1 times [2021-10-21 20:23:51,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:51,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763276125] [2021-10-21 20:23:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:51,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:52,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:52,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763276125] [2021-10-21 20:23:52,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763276125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:52,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:52,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:23:52,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945694833] [2021-10-21 20:23:52,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:23:52,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:52,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:23:52,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:23:52,494 INFO L87 Difference]: Start difference. First operand 10603 states and 14399 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:52,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:52,925 INFO L93 Difference]: Finished difference Result 21188 states and 28776 transitions. [2021-10-21 20:23:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:23:52,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-21 20:23:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:23:53,227 INFO L225 Difference]: With dead ends: 21188 [2021-10-21 20:23:53,227 INFO L226 Difference]: Without dead ends: 10603 [2021-10-21 20:23:53,256 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 66.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:23:53,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10603 states. [2021-10-21 20:23:53,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10603 to 10603. [2021-10-21 20:23:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10603 states, 10552 states have (on average 1.3624905231235784) internal successors, (14377), 10590 states have internal predecessors, (14377), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2021-10-21 20:23:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10603 states to 10603 states and 14397 transitions. [2021-10-21 20:23:53,603 INFO L78 Accepts]: Start accepts. Automaton has 10603 states and 14397 transitions. Word has length 42 [2021-10-21 20:23:53,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:23:53,603 INFO L470 AbstractCegarLoop]: Abstraction has 10603 states and 14397 transitions. [2021-10-21 20:23:53,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:23:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 10603 states and 14397 transitions. [2021-10-21 20:23:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-21 20:23:53,609 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:23:53,609 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:53,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:23:53,612 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION === [ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:23:53,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:53,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1930573677, now seen corresponding path program 1 times [2021-10-21 20:23:53,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:53,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873206001] [2021-10-21 20:23:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:53,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:54,190 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:54,900 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:54,900 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:23:54,901 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ppp_ioctlErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,904 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ppp_ioctlErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,911 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,912 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,913 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,916 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,917 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,918 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,919 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:23:54,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:23:54,930 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:23:55,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:23:55 BoogieIcfgContainer [2021-10-21 20:23:55,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:23:55,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:23:55,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:23:55,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:23:55,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:47" (3/4) ... [2021-10-21 20:23:55,210 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:23:55,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:23:55,211 INFO L168 Benchmark]: Toolchain (without parser) took 37727.19 ms. Allocated memory was 100.7 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 53.4 MB in the beginning and 959.8 MB in the end (delta: -906.4 MB). Peak memory consumption was 349.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:55,212 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:55,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3661.97 ms. Allocated memory was 100.7 MB in the beginning and 205.5 MB in the end (delta: 104.9 MB). Free memory was 53.2 MB in the beginning and 135.9 MB in the end (delta: -82.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:55,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 1020.22 ms. Allocated memory was 205.5 MB in the beginning and 411.0 MB in the end (delta: 205.5 MB). Free memory was 135.9 MB in the beginning and 298.1 MB in the end (delta: -162.2 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:55,214 INFO L168 Benchmark]: Boogie Preprocessor took 1462.62 ms. Allocated memory is still 411.0 MB. Free memory was 298.1 MB in the beginning and 232.1 MB in the end (delta: 66.1 MB). Peak memory consumption was 100.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:55,214 INFO L168 Benchmark]: RCFGBuilder took 24292.66 ms. Allocated memory was 411.0 MB in the beginning and 1.4 GB in the end (delta: 945.8 MB). Free memory was 232.1 MB in the beginning and 1.1 GB in the end (delta: -827.2 MB). Peak memory consumption was 510.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:55,215 INFO L168 Benchmark]: TraceAbstraction took 7276.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 960.8 MB in the end (delta: 98.4 MB). Peak memory consumption was 284.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:55,215 INFO L168 Benchmark]: Witness Printer took 4.31 ms. Allocated memory is still 1.4 GB. Free memory was 960.8 MB in the beginning and 959.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:55,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3661.97 ms. Allocated memory was 100.7 MB in the beginning and 205.5 MB in the end (delta: 104.9 MB). Free memory was 53.2 MB in the beginning and 135.9 MB in the end (delta: -82.7 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 1020.22 ms. Allocated memory was 205.5 MB in the beginning and 411.0 MB in the end (delta: 205.5 MB). Free memory was 135.9 MB in the beginning and 298.1 MB in the end (delta: -162.2 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1462.62 ms. Allocated memory is still 411.0 MB. Free memory was 298.1 MB in the beginning and 232.1 MB in the end (delta: 66.1 MB). Peak memory consumption was 100.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24292.66 ms. Allocated memory was 411.0 MB in the beginning and 1.4 GB in the end (delta: 945.8 MB). Free memory was 232.1 MB in the beginning and 1.1 GB in the end (delta: -827.2 MB). Peak memory consumption was 510.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7276.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 960.8 MB in the end (delta: 98.4 MB). Peak memory consumption was 284.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.31 ms. Allocated memory is still 1.4 GB. Free memory was 960.8 MB in the beginning and 959.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L11180] return __VERIFIER_nondet_int(); [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L5879] int tmp ; [L11003] return __VERIFIER_nondet_int(); [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L7037] val = (int )__val_gu___1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L7038] COND FALSE !(__ret_gu___1 != 0) [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U [L7050] COND TRUE (cflags & 64) != 0 [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] xcomp->comp_free [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9975] xcomp->owner [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551650}, channel_count={84:0}, compressor_list={79:0}, compressor_list_lock={103:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={61:0}, npindex_to_proto={18:0}, ppp_class={0:0}, ppp_device_fops={115:0}, ppp_mutex={117:0}, ppp_net_id={89:0}, ppp_net_ops={113:0}, ppp_netdev_ops={94:0}, ppp_unit_count={98:0}] - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 4363 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 6880.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 63.0ms, AutomataDifference: 2420.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 112.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 17432 SDtfs, 7477 SDslu, 28750 SDs, 0 SdLazy, 194 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 271.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 74.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10603occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1173.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 100 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 68.6ms SsaConstructionTime, 1541.9ms SatisfiabilityAnalysisTime, 476.5ms InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:23:55,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:23:57,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:23:57,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:23:57,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:23:57,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:23:57,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:23:57,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:23:57,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:23:57,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:23:57,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:23:57,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:23:57,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:23:57,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:23:57,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:23:57,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:23:57,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:23:57,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:23:57,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:23:57,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:23:57,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:23:57,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:23:57,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:23:57,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:23:57,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:23:57,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:23:57,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:23:57,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:23:57,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:23:57,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:23:57,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:23:57,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:23:57,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:23:57,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:23:57,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:23:57,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:23:57,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:23:57,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:23:57,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:23:57,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:23:57,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:23:57,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:23:57,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-21 20:23:57,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:23:57,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:23:57,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:23:57,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:23:57,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:23:57,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:23:57,975 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:23:57,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:23:57,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:23:57,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:23:57,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:23:57,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:23:57,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:23:57,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:23:57,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:23:57,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:23:57,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:23:57,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:23:57,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:23:57,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:23:57,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:23:57,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:23:57,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:23:57,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:23:57,979 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:23:57,980 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:23:57,980 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:23:57,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:23:57,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:23:57,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:23:57,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:23:57,981 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-10-21 20:23:58,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:23:58,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:23:58,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:23:58,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:23:58,440 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:23:58,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-21 20:23:58,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/1024cf5c5/e7e33e01fda04b7aa74cf3e6b09d2bd4/FLAG670e4986f [2021-10-21 20:23:59,543 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:23:59,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-21 20:23:59,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/1024cf5c5/e7e33e01fda04b7aa74cf3e6b09d2bd4/FLAG670e4986f [2021-10-21 20:24:00,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/data/1024cf5c5/e7e33e01fda04b7aa74cf3e6b09d2bd4 [2021-10-21 20:24:00,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:24:00,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:24:00,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:24:00,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:24:00,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:24:00,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:24:00" (1/1) ... [2021-10-21 20:24:00,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f871e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:00, skipping insertion in model container [2021-10-21 20:24:00,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:24:00" (1/1) ... [2021-10-21 20:24:00,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:24:00,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:24:02,556 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-21 20:24:02,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:24:02,651 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:24:03,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-10-21 20:24:03,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:24:03,522 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:24:03,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03 WrapperNode [2021-10-21 20:24:03,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:24:03,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:24:03,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:24:03,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:24:03,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:03,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:04,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:24:04,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:24:04,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:24:04,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:24:04,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:04,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:04,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:04,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:05,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:05,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:05,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:05,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:24:05,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:24:05,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:24:05,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:24:05,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (1/1) ... [2021-10-21 20:24:05,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:24:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:24:05,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:24:05,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:24:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-21 20:24:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-21 20:24:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-10-21 20:24:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 20:24:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 20:24:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-21 20:24:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 20:24:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:24:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 20:24:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-21 20:24:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-21 20:24:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-21 20:24:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:24:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 20:24:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 20:24:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:24:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-21 20:24:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-10-21 20:24:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-21 20:24:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-10-21 20:24:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-10-21 20:24:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-10-21 20:24:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 20:24:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 20:24:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-10-21 20:24:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-10-21 20:24:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-10-21 20:24:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-10-21 20:24:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-10-21 20:24:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:24:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:24:07,044 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:24:07,315 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:24:07,418 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:24:07,430 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:24:07,548 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-21 20:26:14,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2438: assume false; [2021-10-21 20:26:14,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume !false; [2021-10-21 20:26:14,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-10-21 20:26:14,763 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2409: assume !false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2408: assume false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume !false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2334: assume false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2339: assume !false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2338: assume false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2326: assume !false; [2021-10-21 20:26:14,764 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2325: assume false; [2021-10-21 20:26:14,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-10-21 20:26:14,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-21 20:26:14,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-21 20:26:14,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-21 20:26:14,765 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-21 20:26:14,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-10-21 20:26:14,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-10-21 20:26:14,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2021-10-21 20:26:14,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2021-10-21 20:26:14,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2021-10-21 20:26:14,766 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2021-10-21 20:26:14,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2021-10-21 20:26:14,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2021-10-21 20:26:14,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2021-10-21 20:26:14,767 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2021-10-21 20:26:14,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2021-10-21 20:26:14,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2993: assume !false; [2021-10-21 20:26:14,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2992: assume false; [2021-10-21 20:26:14,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2999: assume !false; [2021-10-21 20:26:14,768 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2998: assume false; [2021-10-21 20:26:14,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2986: assume false; [2021-10-21 20:26:14,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2987: assume !false; [2021-10-21 20:26:14,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2829: assume !false; [2021-10-21 20:26:14,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2828: assume false; [2021-10-21 20:26:14,769 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2755: assume false; [2021-10-21 20:26:14,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2756: assume !false; [2021-10-21 20:26:14,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2759: assume false; [2021-10-21 20:26:14,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2760: assume !false; [2021-10-21 20:26:14,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2766: assume !false; [2021-10-21 20:26:14,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2765: assume false; [2021-10-21 20:26:14,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2609: assume false; [2021-10-21 20:26:14,770 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2610: assume !false; [2021-10-21 20:26:14,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2614: assume !false; [2021-10-21 20:26:14,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2613: assume false; [2021-10-21 20:26:14,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-10-21 20:26:14,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2021-10-21 20:26:14,771 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2021-10-21 20:26:14,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2021-10-21 20:26:14,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2021-10-21 20:26:14,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2021-10-21 20:26:14,772 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2021-10-21 20:26:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2021-10-21 20:26:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2021-10-21 20:26:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2021-10-21 20:26:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2021-10-21 20:26:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2021-10-21 20:26:14,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3006: assume false; [2021-10-21 20:26:14,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3007: assume !false; [2021-10-21 20:26:14,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4158: assume false; [2021-10-21 20:26:14,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4159: assume !false; [2021-10-21 20:26:14,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3110: assume !false; [2021-10-21 20:26:14,775 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3109: assume false; [2021-10-21 20:26:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2021-10-21 20:26:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2021-10-21 20:26:14,776 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2021-10-21 20:26:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2021-10-21 20:26:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2021-10-21 20:26:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2021-10-21 20:26:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2021-10-21 20:26:14,777 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2021-10-21 20:26:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2021-10-21 20:26:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2021-10-21 20:26:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,778 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2021-10-21 20:26:14,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-1: ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;havoc ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2021-10-21 20:26:14,779 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-2: ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;havoc ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;ppp_read_~__ptr___0~0.base, ppp_read_~__ptr___0~0.offset := ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset; [2021-10-21 20:26:14,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-3: ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;havoc ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;ppp_read_~__ptr___1~0.base, ppp_read_~__ptr___1~0.offset := ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset; [2021-10-21 20:26:14,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-8: ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;havoc ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;ppp_read_~__ptr___5~0.base, ppp_read_~__ptr___5~0.offset := ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset; [2021-10-21 20:26:14,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-6: ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;havoc ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;ppp_read_~__ptr___3~0.base, ppp_read_~__ptr___3~0.offset := ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset; [2021-10-21 20:26:14,780 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-7: ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;havoc ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;ppp_read_~__ptr___4~0.base, ppp_read_~__ptr___4~0.offset := ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset; [2021-10-21 20:26:14,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:26:14,832 INFO L299 CfgBuilder]: Removed 5484 assume(true) statements. [2021-10-21 20:26:14,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:14 BoogieIcfgContainer [2021-10-21 20:26:14,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:26:14,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:26:14,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:26:14,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:26:14,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:24:00" (1/3) ... [2021-10-21 20:26:14,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa6746b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:26:14, skipping insertion in model container [2021-10-21 20:26:14,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:24:03" (2/3) ... [2021-10-21 20:26:14,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa6746b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:26:14, skipping insertion in model container [2021-10-21 20:26:14,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:14" (3/3) ... [2021-10-21 20:26:14,851 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-10-21 20:26:14,856 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:26:14,857 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2021-10-21 20:26:14,923 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:26:14,929 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:26:14,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2021-10-21 20:26:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-21 20:26:15,019 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:15,019 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:15,020 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:26:15,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:15,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1393895239, now seen corresponding path program 1 times [2021-10-21 20:26:15,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:26:15,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33061155] [2021-10-21 20:26:15,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:15,043 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:26:15,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:26:15,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:26:15,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:26:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:16,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:26:16,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:16,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:26:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:16,258 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:26:16,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33061155] [2021-10-21 20:26:16,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33061155] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:16,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:16,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-21 20:26:16,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258529717] [2021-10-21 20:26:16,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:26:16,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:26:16,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:26:16,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:16,291 INFO L87 Difference]: Start difference. First operand has 4133 states, 4093 states have (on average 1.4099682384559002) internal successors, (5771), 4132 states have internal predecessors, (5771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:17,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:17,344 INFO L93 Difference]: Finished difference Result 12308 states and 17213 transitions. [2021-10-21 20:26:17,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:26:17,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-21 20:26:17,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:17,414 INFO L225 Difference]: With dead ends: 12308 [2021-10-21 20:26:17,414 INFO L226 Difference]: Without dead ends: 8004 [2021-10-21 20:26:17,429 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:26:17,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2021-10-21 20:26:17,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 7928. [2021-10-21 20:26:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.3457979465077956) internal successors, (10617), 7927 states have internal predecessors, (10617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10617 transitions. [2021-10-21 20:26:17,778 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10617 transitions. Word has length 10 [2021-10-21 20:26:17,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:17,778 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10617 transitions. [2021-10-21 20:26:17,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10617 transitions. [2021-10-21 20:26:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-21 20:26:17,784 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:17,785 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:17,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:18,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:26:18,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:26:18,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash -473324972, now seen corresponding path program 1 times [2021-10-21 20:26:18,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:26:18,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715719890] [2021-10-21 20:26:18,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:18,008 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:26:18,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:26:18,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:26:18,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:26:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:19,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:26:19,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:19,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:26:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:19,675 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:26:19,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715719890] [2021-10-21 20:26:19,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715719890] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:19,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:19,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-21 20:26:19,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222079111] [2021-10-21 20:26:19,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:26:19,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:26:19,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:26:19,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:26:19,679 INFO L87 Difference]: Start difference. First operand 7928 states and 10617 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:20,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:20,118 INFO L93 Difference]: Finished difference Result 15838 states and 21212 transitions. [2021-10-21 20:26:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:26:20,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-21 20:26:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:20,165 INFO L225 Difference]: With dead ends: 15838 [2021-10-21 20:26:20,165 INFO L226 Difference]: Without dead ends: 7928 [2021-10-21 20:26:20,180 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:26:20,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7928 states. [2021-10-21 20:26:20,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7928 to 7928. [2021-10-21 20:26:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7889 states have (on average 1.345544428951705) internal successors, (10615), 7927 states have internal predecessors, (10615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:20,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10615 transitions. [2021-10-21 20:26:20,472 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10615 transitions. Word has length 35 [2021-10-21 20:26:20,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:20,473 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 10615 transitions. [2021-10-21 20:26:20,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10615 transitions. [2021-10-21 20:26:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-21 20:26:20,476 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:20,476 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:20,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:20,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:26:20,693 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:26:20,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash -839366508, now seen corresponding path program 1 times [2021-10-21 20:26:20,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:26:20,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635832580] [2021-10-21 20:26:20,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:20,696 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:26:20,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:26:20,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:26:20,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-21 20:26:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:26:21,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:26:21,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:26:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:22,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:26:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:26:22,249 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:26:22,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635832580] [2021-10-21 20:26:22,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635832580] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:26:22,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:26:22,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-21 20:26:22,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719595842] [2021-10-21 20:26:22,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:26:22,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:26:22,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:26:22,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:22,252 INFO L87 Difference]: Start difference. First operand 7928 states and 10615 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:22,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:26:22,953 INFO L93 Difference]: Finished difference Result 23310 states and 31184 transitions. [2021-10-21 20:26:22,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:26:22,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-10-21 20:26:22,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:26:23,050 INFO L225 Difference]: With dead ends: 23310 [2021-10-21 20:26:23,050 INFO L226 Difference]: Without dead ends: 15403 [2021-10-21 20:26:23,071 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:26:23,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15403 states. [2021-10-21 20:26:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15403 to 15295. [2021-10-21 20:26:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15295 states, 15256 states have (on average 1.344257996853697) internal successors, (20508), 15294 states have internal predecessors, (20508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15295 states to 15295 states and 20508 transitions. [2021-10-21 20:26:23,861 INFO L78 Accepts]: Start accepts. Automaton has 15295 states and 20508 transitions. Word has length 42 [2021-10-21 20:26:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:26:23,862 INFO L470 AbstractCegarLoop]: Abstraction has 15295 states and 20508 transitions. [2021-10-21 20:26:23,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:26:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 15295 states and 20508 transitions. [2021-10-21 20:26:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-21 20:26:23,868 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:26:23,869 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:26:23,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:26:24,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:26:24,088 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 36 more)] === [2021-10-21 20:26:24,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:26:24,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1381473804, now seen corresponding path program 1 times [2021-10-21 20:26:24,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:26:24,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190031474] [2021-10-21 20:26:24,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:26:24,094 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:26:24,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:26:24,096 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:26:24,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-21 20:27:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:08,103 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:42,559 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 20:27:42,559 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:27:42,560 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,562 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,562 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,563 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,564 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,565 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,566 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,567 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,567 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,567 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,567 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,568 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,568 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,568 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,570 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,570 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,570 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,570 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,571 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,571 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,571 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,571 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,572 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:27:42,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-21 20:27:42,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:27:42,799 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:27:43,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:27:43 BoogieIcfgContainer [2021-10-21 20:27:43,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:27:43,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:27:43,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:27:43,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:27:43,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:26:14" (3/4) ... [2021-10-21 20:27:43,045 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:27:43,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:27:43,052 INFO L168 Benchmark]: Toolchain (without parser) took 223017.89 ms. Allocated memory was 52.4 MB in the beginning and 1.3 GB in the end (delta: 1.3 GB). Free memory was 27.1 MB in the beginning and 785.4 MB in the end (delta: -758.3 MB). Peak memory consumption was 502.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:43,053 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:43,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3493.47 ms. Allocated memory was 52.4 MB in the beginning and 163.6 MB in the end (delta: 111.1 MB). Free memory was 27.0 MB in the beginning and 79.0 MB in the end (delta: -52.0 MB). Peak memory consumption was 78.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:43,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 907.29 ms. Allocated memory was 163.6 MB in the beginning and 283.1 MB in the end (delta: 119.5 MB). Free memory was 79.0 MB in the beginning and 159.0 MB in the end (delta: -80.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:43,054 INFO L168 Benchmark]: Boogie Preprocessor took 1311.58 ms. Allocated memory is still 283.1 MB. Free memory was 159.0 MB in the beginning and 132.2 MB in the end (delta: 26.9 MB). Peak memory consumption was 95.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:43,055 INFO L168 Benchmark]: RCFGBuilder took 129095.10 ms. Allocated memory was 283.1 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 132.2 MB in the beginning and 717.8 MB in the end (delta: -585.6 MB). Peak memory consumption was 444.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:43,056 INFO L168 Benchmark]: TraceAbstraction took 88192.80 ms. Allocated memory is still 1.3 GB. Free memory was 717.8 MB in the beginning and 785.4 MB in the end (delta: -67.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:43,059 INFO L168 Benchmark]: Witness Printer took 7.13 ms. Allocated memory is still 1.3 GB. Free memory is still 785.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:43,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory is still 33.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3493.47 ms. Allocated memory was 52.4 MB in the beginning and 163.6 MB in the end (delta: 111.1 MB). Free memory was 27.0 MB in the beginning and 79.0 MB in the end (delta: -52.0 MB). Peak memory consumption was 78.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 907.29 ms. Allocated memory was 163.6 MB in the beginning and 283.1 MB in the end (delta: 119.5 MB). Free memory was 79.0 MB in the beginning and 159.0 MB in the end (delta: -80.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1311.58 ms. Allocated memory is still 283.1 MB. Free memory was 159.0 MB in the beginning and 132.2 MB in the end (delta: 26.9 MB). Peak memory consumption was 95.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 129095.10 ms. Allocated memory was 283.1 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 132.2 MB in the beginning and 717.8 MB in the end (delta: -585.6 MB). Peak memory consumption was 444.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 88192.80 ms. Allocated memory is still 1.3 GB. Free memory was 717.8 MB in the beginning and 785.4 MB in the end (delta: -67.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.13 ms. Allocated memory is still 1.3 GB. Free memory is still 785.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L11180] return __VERIFIER_nondet_int(); [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L5879] int tmp ; [L11003] return __VERIFIER_nondet_int(); [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7037] val = (int )__val_gu___1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L7038] COND FALSE !(__ret_gu___1 != 0) [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U [L7050] COND TRUE (cflags & 64) != 0 [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] xcomp->comp_free [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9975] xcomp->owner [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] [L10809] reach_error() VAL [__this_module={32784:0}, channel_count={-1397725251:0}, compressor_list={-1129289796:0}, compressor_list_lock={-1397750697:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-1934596164:0}, npindex_to_proto={-1397725258:0}, ppp_class={0:0}, ppp_device_fops={-1397725283:0}, ppp_mutex={-1934596162:0}, ppp_net_id={-1397725250:0}, ppp_net_ops={749758381:0}, ppp_netdev_ops={-592418882:0}, ppp_unit_count={-1397725281:0}] - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4133 locations, 39 error locations. Started 1 CEGAR loops. OverallTime: 87877.2ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 35.6ms, AutomataDifference: 2480.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 65.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 16337 SDtfs, 15806 SDslu, 29454 SDs, 0 SdLazy, 204 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 527.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 96.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15295occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1416.6ms AutomataMinimizationTime, 3 MinimizatonAttempts, 184 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 245.8ms SsaConstructionTime, 45140.4ms SatisfiabilityAnalysisTime, 1039.5ms InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2119 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-21 20:27:43,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3388fd2d-ed79-4494-b21f-1ba9c497dfaf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...