./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y --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 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:48:19,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:48:19,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:48:19,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:48:19,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:48:19,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:48:19,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:48:19,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:48:19,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:48:19,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:48:19,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:48:19,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:48:19,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:48:19,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:48:19,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:48:19,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:48:19,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:48:19,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:48:19,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:48:19,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:48:19,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:48:19,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:48:19,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:48:19,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:48:19,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:48:19,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:48:19,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:48:19,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:48:19,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:48:19,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:48:19,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:48:19,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:48:19,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:48:19,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:48:19,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:48:19,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:48:19,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:48:19,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:48:19,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:48:19,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:48:19,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:48:19,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:48:20,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:48:20,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:48:20,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:48:20,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:48:20,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:48:20,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:48:20,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:48:20,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:48:20,053 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:48:20,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:48:20,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:48:20,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:48:20,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:48:20,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:48:20,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:48:20,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:48:20,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:48:20,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:48:20,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:48:20,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:48:20,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:48:20,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:48:20,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:48:20,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:48:20,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:48:20,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:48:20,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:48:20,059 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:48:20,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:48:20,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:48:20,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:48:20,062 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_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 [2021-11-13 18:48:20,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:48:20,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:48:20,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:48:20,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:48:20,391 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:48:20,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-13 18:48:20,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/data/e48710825/98e9f0a904ae4c0fa4915b7c5ce823b5/FLAG87e66339c [2021-11-13 18:48:21,735 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:48:21,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-13 18:48:21,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/data/e48710825/98e9f0a904ae4c0fa4915b7c5ce823b5/FLAG87e66339c [2021-11-13 18:48:21,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/data/e48710825/98e9f0a904ae4c0fa4915b7c5ce823b5 [2021-11-13 18:48:21,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:48:21,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:48:21,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:48:21,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:48:21,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:48:21,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:21" (1/1) ... [2021-11-13 18:48:21,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e3d2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:21, skipping insertion in model container [2021-11-13 18:48:21,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:21" (1/1) ... [2021-11-13 18:48:21,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:48:22,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:48:32,367 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_46762ba6-aeb1-435b-91aa-d92fa1101c8c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2021-11-13 18:48:32,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:48:32,565 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:48:33,694 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_46762ba6-aeb1-435b-91aa-d92fa1101c8c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2021-11-13 18:48:33,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:48:34,602 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:48:34,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34 WrapperNode [2021-11-13 18:48:34,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:48:34,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:48:34,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:48:34,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:48:34,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:34,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:35,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:48:35,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:48:35,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:48:35,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:48:35,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:35,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:35,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:35,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:36,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:36,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:37,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:37,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:48:37,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:48:37,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:48:37,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:48:37,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (1/1) ... [2021-11-13 18:48:37,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:48:37,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:37,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:37,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:48:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-13 18:48:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-13 18:48:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-13 18:48:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-13 18:48:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-13 18:48:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-13 18:48:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 18:48:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 18:48:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-13 18:48:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-13 18:48:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-13 18:48:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-13 18:48:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:48:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:48:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:48:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:48:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-13 18:48:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-13 18:48:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-13 18:48:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-13 18:48:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-13 18:48:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-13 18:48:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-13 18:48:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-13 18:48:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-13 18:48:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-13 18:48:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 18:48:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 18:48:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 18:48:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 18:48:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-13 18:48:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-13 18:48:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-13 18:48:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-13 18:48:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 18:48:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 18:48:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-13 18:48:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-13 18:48:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:48:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:48:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_19_2 [2021-11-13 18:48:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_19_2 [2021-11-13 18:48:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-13 18:48:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-13 18:48:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-13 18:48:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-13 18:48:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:48:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:48:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-13 18:48:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-13 18:48:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-13 18:48:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-13 18:48:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-13 18:48:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-13 18:48:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 18:48:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 18:48:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:48:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-13 18:48:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-13 18:48:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-13 18:48:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2021-11-13 18:48:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 18:48:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 18:48:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-13 18:48:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-13 18:48:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-13 18:48:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-13 18:48:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:48:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:48:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-13 18:48:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-13 18:48:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-13 18:48:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-13 18:48:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-13 18:48:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-13 18:48:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-13 18:48:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-13 18:48:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-13 18:48:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-13 18:48:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-13 18:48:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-13 18:48:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:48:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-13 18:48:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-13 18:48:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 18:48:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 18:48:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:48:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:48:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-13 18:48:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-13 18:48:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:48:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-13 18:48:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-13 18:48:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-13 18:48:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-13 18:48:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-13 18:48:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-13 18:48:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-13 18:48:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-13 18:48:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:48:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:48:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-13 18:48:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-13 18:48:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-13 18:48:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-13 18:48:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:48:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:48:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-13 18:48:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-13 18:48:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-13 18:48:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-13 18:48:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 18:48:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 18:48:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-13 18:48:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-13 18:48:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-13 18:48:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-13 18:48:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-13 18:48:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-13 18:48:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-13 18:48:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-13 18:48:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:48:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:48:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-13 18:48:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-13 18:48:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-13 18:48:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-13 18:48:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-13 18:48:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-13 18:48:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-13 18:48:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-13 18:48:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-13 18:48:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-13 18:48:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-13 18:48:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-13 18:48:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:48:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:48:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-13 18:48:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-13 18:48:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 18:48:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 18:48:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-13 18:48:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-13 18:48:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-13 18:48:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-13 18:48:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-13 18:48:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-13 18:48:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-13 18:48:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-13 18:48:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:48:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:48:37,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:48:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-13 18:48:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-13 18:48:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-13 18:48:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-13 18:48:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 18:48:37,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 18:48:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-13 18:48:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-13 18:48:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 18:48:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 18:48:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-13 18:48:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-13 18:48:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-13 18:48:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-13 18:48:37,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2021-11-13 18:48:37,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2021-11-13 18:48:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-13 18:48:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-13 18:48:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-13 18:48:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-13 18:48:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-13 18:48:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-13 18:48:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:48:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:48:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-13 18:48:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-13 18:48:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-13 18:48:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-13 18:48:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-13 18:48:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-13 18:48:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-13 18:48:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-13 18:48:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 18:48:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 18:48:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-13 18:48:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-13 18:48:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:48:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-13 18:48:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-13 18:48:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-13 18:48:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-13 18:48:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:48:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-13 18:48:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-13 18:48:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-13 18:48:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-13 18:48:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-13 18:48:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-13 18:48:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-13 18:48:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-13 18:48:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-13 18:48:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-13 18:48:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-13 18:48:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-13 18:48:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-13 18:48:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-13 18:48:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 18:48:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 18:48:37,690 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-13 18:48:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-13 18:48:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-13 18:48:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-13 18:48:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 18:48:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 18:48:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:48:37,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:48:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-13 18:48:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-13 18:48:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-13 18:48:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-13 18:48:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-13 18:48:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-13 18:48:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-13 18:48:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-13 18:48:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-13 18:48:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-13 18:48:37,693 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 18:48:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 18:48:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 18:48:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 18:48:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-13 18:48:37,694 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-13 18:48:37,694 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:48:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:48:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-13 18:48:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-13 18:48:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_2_5 [2021-11-13 18:48:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_2_5 [2021-11-13 18:48:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-13 18:48:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-13 18:48:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:48:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-13 18:48:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-13 18:48:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-13 18:48:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-13 18:48:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:48:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:48:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-13 18:48:37,697 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-13 18:48:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2021-11-13 18:48:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2021-11-13 18:48:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-13 18:48:37,698 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-13 18:48:37,698 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-13 18:48:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-13 18:48:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 18:48:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 18:48:37,699 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-13 18:48:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-13 18:48:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-13 18:48:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-13 18:48:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-13 18:48:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-13 18:48:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-13 18:48:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-13 18:48:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-13 18:48:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-13 18:48:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-13 18:48:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-13 18:48:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-13 18:48:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-13 18:48:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-13 18:48:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-13 18:48:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-13 18:48:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-13 18:48:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-13 18:48:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-13 18:48:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 18:48:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 18:48:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:48:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:48:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-13 18:48:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-13 18:48:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-13 18:48:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-13 18:48:37,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:48:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:48:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-13 18:48:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-13 18:48:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-13 18:48:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-13 18:48:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 18:48:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 18:48:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-13 18:48:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-13 18:48:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-13 18:48:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-13 18:48:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-13 18:48:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-13 18:48:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:48:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:48:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-13 18:48:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-13 18:48:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-13 18:48:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-13 18:48:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-13 18:48:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-13 18:48:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 18:48:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 18:48:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 18:48:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 18:48:37,709 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-13 18:48:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-13 18:48:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-13 18:48:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-13 18:48:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:48:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-13 18:48:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-13 18:48:37,710 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-13 18:48:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-13 18:48:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-13 18:48:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-13 18:48:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-13 18:48:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-13 18:48:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-13 18:48:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-13 18:48:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-13 18:48:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-13 18:48:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-13 18:48:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-13 18:48:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 18:48:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 18:48:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-13 18:48:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-13 18:48:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-13 18:48:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-13 18:48:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:48:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-13 18:48:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-13 18:48:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-13 18:48:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-13 18:48:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-13 18:48:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-13 18:48:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-13 18:48:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-13 18:48:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2021-11-13 18:48:37,715 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2021-11-13 18:48:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-13 18:48:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-13 18:48:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:48:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:48:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:48:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-13 18:48:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-13 18:48:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:48:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:48:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-13 18:48:37,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-13 18:48:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:48:37,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:48:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 18:48:37,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 18:48:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-13 18:48:37,718 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-13 18:48:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 18:48:37,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 18:48:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-13 18:48:37,719 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-13 18:48:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-13 18:48:37,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-13 18:48:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-13 18:48:37,720 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-13 18:48:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-13 18:48:37,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-13 18:48:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-13 18:48:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-13 18:48:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-13 18:48:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-13 18:48:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-13 18:48:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-13 18:48:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-13 18:48:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-13 18:48:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-13 18:48:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-13 18:48:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-13 18:48:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-13 18:48:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 18:48:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 18:48:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-13 18:48:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-13 18:48:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-13 18:48:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-13 18:48:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-13 18:48:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-13 18:48:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 18:48:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 18:48:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-13 18:48:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-13 18:48:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-13 18:48:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-13 18:48:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-13 18:48:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-13 18:48:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-13 18:48:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-13 18:48:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-13 18:48:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-13 18:48:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-13 18:48:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-13 18:48:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:48:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:48:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-13 18:48:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-13 18:48:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-13 18:48:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-13 18:48:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:48:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:48:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-13 18:48:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-13 18:48:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-13 18:48:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-13 18:48:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-13 18:48:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-13 18:48:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-13 18:48:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-13 18:48:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-13 18:48:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-13 18:48:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-13 18:48:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-13 18:48:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-13 18:48:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-13 18:48:37,730 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-13 18:48:37,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-13 18:48:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 18:48:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 18:48:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-13 18:48:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-13 18:48:37,731 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 18:48:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 18:48:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-13 18:48:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-13 18:48:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-13 18:48:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-13 18:48:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-13 18:48:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-13 18:48:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-13 18:48:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-13 18:48:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:48:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:48:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:48:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-13 18:48:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-13 18:48:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 18:48:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 18:48:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-13 18:48:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-13 18:48:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:48:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:48:37,750 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-13 18:48:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-13 18:48:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-13 18:48:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-13 18:48:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-13 18:48:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-13 18:48:37,751 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-13 18:48:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-13 18:48:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 18:48:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 18:48:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-13 18:48:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-13 18:48:37,752 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-13 18:48:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-13 18:48:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-13 18:48:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-13 18:48:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-13 18:48:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-13 18:48:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 18:48:37,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 18:48:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-13 18:48:37,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-13 18:48:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 18:48:37,754 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 18:48:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2021-11-13 18:48:37,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2021-11-13 18:48:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-13 18:48:37,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-13 18:48:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-13 18:48:37,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-13 18:48:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 18:48:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 18:48:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-13 18:48:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-13 18:48:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:48:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-13 18:48:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-13 18:48:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-13 18:48:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-13 18:48:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-13 18:48:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-13 18:48:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 18:48:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 18:48:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 18:48:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 18:48:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 18:48:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 18:48:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-13 18:48:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-13 18:48:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 18:48:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 18:48:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 18:48:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 18:48:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-13 18:48:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-13 18:48:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-13 18:48:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-13 18:48:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-13 18:48:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-13 18:48:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-13 18:48:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-13 18:48:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-13 18:48:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-13 18:48:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-13 18:48:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-13 18:48:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:48:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:48:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-13 18:48:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-13 18:48:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-13 18:48:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-13 18:48:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-13 18:48:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-13 18:48:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-13 18:48:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-13 18:48:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-13 18:48:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-13 18:48:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-13 18:48:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-13 18:48:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-13 18:48:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-13 18:48:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 18:48:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 18:48:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-13 18:48:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-13 18:48:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 18:48:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 18:48:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-13 18:48:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-13 18:48:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-13 18:48:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-13 18:48:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_18 [2021-11-13 18:48:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_18 [2021-11-13 18:48:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2021-11-13 18:48:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2021-11-13 18:48:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2021-11-13 18:48:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2021-11-13 18:48:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-13 18:48:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-13 18:48:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-13 18:48:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-13 18:48:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-13 18:48:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-13 18:48:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 18:48:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 18:48:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-13 18:48:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-13 18:48:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-13 18:48:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-13 18:48:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-13 18:48:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-13 18:48:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-13 18:48:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-13 18:48:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:48:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:48:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 18:48:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 18:48:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-13 18:48:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-13 18:48:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 18:48:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 18:48:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-13 18:48:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-13 18:48:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-13 18:48:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-13 18:48:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-13 18:48:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-13 18:48:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:48:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 18:48:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 18:48:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2021-11-13 18:48:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2021-11-13 18:48:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2021-11-13 18:48:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2021-11-13 18:48:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 18:48:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 18:48:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-13 18:48:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-13 18:48:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-13 18:48:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-13 18:48:40,990 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:50:42,372 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:50:42,373 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:50:42,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:50:42 BoogieIcfgContainer [2021-11-13 18:50:42,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:50:42,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:50:42,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:50:42,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:50:42,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:48:21" (1/3) ... [2021-11-13 18:50:42,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642deeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:50:42, skipping insertion in model container [2021-11-13 18:50:42,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:34" (2/3) ... [2021-11-13 18:50:42,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@642deeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:50:42, skipping insertion in model container [2021-11-13 18:50:42,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:50:42" (3/3) ... [2021-11-13 18:50:42,399 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-13 18:50:42,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:50:42,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:50:42,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:50:42,515 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 [2021-11-13 18:50:42,515 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:50:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 4999 states, 3440 states have (on average 1.2936046511627908) internal successors, (4450), 3579 states have internal predecessors, (4450), 1266 states have call successors, (1266), 292 states have call predecessors, (1266), 291 states have return successors, (1251), 1175 states have call predecessors, (1251), 1251 states have call successors, (1251) [2021-11-13 18:50:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 18:50:42,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:50:42,658 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:42,659 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:50:42,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:42,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1399050847, now seen corresponding path program 1 times [2021-11-13 18:50:42,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:42,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131991864] [2021-11-13 18:50:42,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:42,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:45,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:50:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:45,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-13 18:50:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-13 18:50:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 18:50:45,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:50:45,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131991864] [2021-11-13 18:50:45,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131991864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:50:45,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:50:45,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:50:45,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958727602] [2021-11-13 18:50:45,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:50:45,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:50:45,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:50:45,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:50:45,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:50:45,962 INFO L87 Difference]: Start difference. First operand has 4999 states, 3440 states have (on average 1.2936046511627908) internal successors, (4450), 3579 states have internal predecessors, (4450), 1266 states have call successors, (1266), 292 states have call predecessors, (1266), 291 states have return successors, (1251), 1175 states have call predecessors, (1251), 1251 states have call successors, (1251) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 18:50:46,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:50:46,760 INFO L93 Difference]: Finished difference Result 9961 states and 14024 transitions. [2021-11-13 18:50:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:50:46,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2021-11-13 18:50:46,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:50:46,869 INFO L225 Difference]: With dead ends: 9961 [2021-11-13 18:50:46,869 INFO L226 Difference]: Without dead ends: 4977 [2021-11-13 18:50:46,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:50:46,928 INFO L933 BasicCegarLoop]: 6955 mSDtfsCounter, 6946 mSDsluCounter, 13907 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6948 SdHoareTripleChecker+Valid, 20862 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 116.07ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.24ms IncrementalHoareTripleChecker+Time [2021-11-13 18:50:46,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6948 Valid, 20862 Invalid, 10 Unknown, 0 Unchecked, 116.07ms Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 19.24ms Time] [2021-11-13 18:50:46,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2021-11-13 18:50:47,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 4977. [2021-11-13 18:50:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4977 states, 3435 states have (on average 1.2882096069868996) internal successors, (4425), 3561 states have internal predecessors, (4425), 1251 states have call successors, (1251), 292 states have call predecessors, (1251), 290 states have return successors, (1248), 1172 states have call predecessors, (1248), 1248 states have call successors, (1248) [2021-11-13 18:50:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 4977 states and 6924 transitions. [2021-11-13 18:50:47,382 INFO L78 Accepts]: Start accepts. Automaton has 4977 states and 6924 transitions. Word has length 39 [2021-11-13 18:50:47,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:50:47,385 INFO L470 AbstractCegarLoop]: Abstraction has 4977 states and 6924 transitions. [2021-11-13 18:50:47,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 18:50:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4977 states and 6924 transitions. [2021-11-13 18:50:47,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 18:50:47,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:50:47,390 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:47,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:50:47,391 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:50:47,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:47,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1062149609, now seen corresponding path program 1 times [2021-11-13 18:50:47,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:47,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940844310] [2021-11-13 18:50:47,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:47,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-13 18:50:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:49,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-13 18:50:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-13 18:50:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:50:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 18:50:49,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:50:49,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940844310] [2021-11-13 18:50:49,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940844310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:50:49,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:50:49,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:50:49,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254713369] [2021-11-13 18:50:49,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:50:49,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:50:49,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:50:49,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:50:49,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:50:49,131 INFO L87 Difference]: Start difference. First operand 4977 states and 6924 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 18:50:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:50:49,916 INFO L93 Difference]: Finished difference Result 9901 states and 14010 transitions. [2021-11-13 18:50:49,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:50:49,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2021-11-13 18:50:49,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:50:50,044 INFO L225 Difference]: With dead ends: 9901 [2021-11-13 18:50:50,045 INFO L226 Difference]: Without dead ends: 8847 [2021-11-13 18:50:50,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:50:50,068 INFO L933 BasicCegarLoop]: 8488 mSDtfsCounter, 7024 mSDsluCounter, 23930 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7024 SdHoareTripleChecker+Valid, 32418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 122.34ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.29ms IncrementalHoareTripleChecker+Time [2021-11-13 18:50:50,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7024 Valid, 32418 Invalid, 11 Unknown, 0 Unchecked, 122.34ms Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 17.29ms Time] [2021-11-13 18:50:50,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8847 states. [2021-11-13 18:50:50,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8847 to 8816. [2021-11-13 18:50:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8816 states, 6022 states have (on average 1.2864496844902027) internal successors, (7747), 6260 states have internal predecessors, (7747), 2230 states have call successors, (2230), 567 states have call predecessors, (2230), 563 states have return successors, (2459), 2079 states have call predecessors, (2459), 2228 states have call successors, (2459) [2021-11-13 18:50:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8816 states to 8816 states and 12436 transitions. [2021-11-13 18:50:50,794 INFO L78 Accepts]: Start accepts. Automaton has 8816 states and 12436 transitions. Word has length 44 [2021-11-13 18:50:50,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:50:50,795 INFO L470 AbstractCegarLoop]: Abstraction has 8816 states and 12436 transitions. [2021-11-13 18:50:50,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 18:50:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 8816 states and 12436 transitions. [2021-11-13 18:50:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2021-11-13 18:50:50,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:50:50,981 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 12, 12, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:50:50,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:50:50,982 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:50:50,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash -697889187, now seen corresponding path program 1 times [2021-11-13 18:50:50,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:50,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035096296] [2021-11-13 18:50:50,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:50,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:52,192 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:50:52,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111129271] [2021-11-13 18:50:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:52,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:50:52,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:50:52,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:50:52,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:51:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:01,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 22143 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:51:01,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:51:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4788 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3273 trivial. 0 not checked. [2021-11-13 18:51:04,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:51:04,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:51:04,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035096296] [2021-11-13 18:51:04,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:51:04,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111129271] [2021-11-13 18:51:04,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111129271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:51:04,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:51:04,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:51:04,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813013454] [2021-11-13 18:51:04,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:51:04,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:51:04,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:51:04,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:51:04,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:51:04,273 INFO L87 Difference]: Start difference. First operand 8816 states and 12436 transitions. Second operand has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) [2021-11-13 18:51:05,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:51:05,133 INFO L93 Difference]: Finished difference Result 16454 states and 23119 transitions. [2021-11-13 18:51:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:51:05,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) Word has length 1052 [2021-11-13 18:51:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:51:05,252 INFO L225 Difference]: With dead ends: 16454 [2021-11-13 18:51:05,252 INFO L226 Difference]: Without dead ends: 8820 [2021-11-13 18:51:05,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1053 GetRequests, 1047 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:51:05,318 INFO L933 BasicCegarLoop]: 6911 mSDtfsCounter, 19 mSDsluCounter, 27607 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34518 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 116.74ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.79ms IncrementalHoareTripleChecker+Time [2021-11-13 18:51:05,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 34518 Invalid, 56 Unknown, 0 Unchecked, 116.74ms Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 99.79ms Time] [2021-11-13 18:51:05,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8820 states. [2021-11-13 18:51:05,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8820 to 8820. [2021-11-13 18:51:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8820 states, 6024 states have (on average 1.2863545816733069) internal successors, (7749), 6263 states have internal predecessors, (7749), 2231 states have call successors, (2231), 567 states have call predecessors, (2231), 564 states have return successors, (2462), 2080 states have call predecessors, (2462), 2229 states have call successors, (2462) [2021-11-13 18:51:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8820 states to 8820 states and 12442 transitions. [2021-11-13 18:51:06,056 INFO L78 Accepts]: Start accepts. Automaton has 8820 states and 12442 transitions. Word has length 1052 [2021-11-13 18:51:06,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:51:06,061 INFO L470 AbstractCegarLoop]: Abstraction has 8820 states and 12442 transitions. [2021-11-13 18:51:06,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) [2021-11-13 18:51:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 8820 states and 12442 transitions. [2021-11-13 18:51:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2021-11-13 18:51:06,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:51:06,399 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 13, 13, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:51:06,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:51:06,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:06,626 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:51:06,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:51:06,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1780813479, now seen corresponding path program 1 times [2021-11-13 18:51:06,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:51:06,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462902658] [2021-11-13 18:51:06,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:06,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:51:07,562 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:51:07,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235301663] [2021-11-13 18:51:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:07,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:07,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:51:07,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:51:07,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 18:51:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:16,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 22159 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:51:16,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:51:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2021-11-13 18:51:18,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:51:18,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:51:18,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462902658] [2021-11-13 18:51:18,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:51:18,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235301663] [2021-11-13 18:51:18,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235301663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:51:18,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:51:18,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:51:18,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614997095] [2021-11-13 18:51:18,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:51:18,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:51:18,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:51:18,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:51:18,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:51:18,593 INFO L87 Difference]: Start difference. First operand 8820 states and 12442 transitions. Second operand has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2021-11-13 18:51:19,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:51:19,366 INFO L93 Difference]: Finished difference Result 16462 states and 23130 transitions. [2021-11-13 18:51:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:51:19,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) Word has length 1058 [2021-11-13 18:51:19,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:51:19,467 INFO L225 Difference]: With dead ends: 16462 [2021-11-13 18:51:19,468 INFO L226 Difference]: Without dead ends: 8824 [2021-11-13 18:51:19,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1059 GetRequests, 1053 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:51:19,517 INFO L933 BasicCegarLoop]: 6912 mSDtfsCounter, 19 mSDsluCounter, 27613 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 34525 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 97.22ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.83ms IncrementalHoareTripleChecker+Time [2021-11-13 18:51:19,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 34525 Invalid, 49 Unknown, 0 Unchecked, 97.22ms Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 97.83ms Time] [2021-11-13 18:51:19,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2021-11-13 18:51:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8824. [2021-11-13 18:51:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 6026 states have (on average 1.286259541984733) internal successors, (7751), 6266 states have internal predecessors, (7751), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 565 states have return successors, (2464), 2081 states have call predecessors, (2464), 2230 states have call successors, (2464) [2021-11-13 18:51:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 12447 transitions. [2021-11-13 18:51:20,085 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 12447 transitions. Word has length 1058 [2021-11-13 18:51:20,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:51:20,091 INFO L470 AbstractCegarLoop]: Abstraction has 8824 states and 12447 transitions. [2021-11-13 18:51:20,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2021-11-13 18:51:20,092 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 12447 transitions. [2021-11-13 18:51:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2021-11-13 18:51:20,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:51:20,197 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 8, 8, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:51:20,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:51:20,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:20,420 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:51:20,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:51:20,421 INFO L85 PathProgramCache]: Analyzing trace with hash -367793566, now seen corresponding path program 1 times [2021-11-13 18:51:20,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:51:20,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257456129] [2021-11-13 18:51:20,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:20,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:51:21,575 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:51:21,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323908376] [2021-11-13 18:51:21,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:21,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:21,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:51:21,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:51:21,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 18:51:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:29,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 22192 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:51:29,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:51:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 1490 proven. 0 refuted. 0 times theorem prover too weak. 3361 trivial. 0 not checked. [2021-11-13 18:51:31,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:51:31,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:51:31,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257456129] [2021-11-13 18:51:31,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:51:31,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323908376] [2021-11-13 18:51:31,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323908376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:51:31,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:51:31,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:51:31,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689008550] [2021-11-13 18:51:31,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:51:31,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:51:31,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:51:31,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:51:31,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:51:31,566 INFO L87 Difference]: Start difference. First operand 8824 states and 12447 transitions. Second operand has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) [2021-11-13 18:51:32,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:51:32,076 INFO L93 Difference]: Finished difference Result 17695 states and 25466 transitions. [2021-11-13 18:51:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:51:32,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) Word has length 1066 [2021-11-13 18:51:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:51:32,152 INFO L225 Difference]: With dead ends: 17695 [2021-11-13 18:51:32,152 INFO L226 Difference]: Without dead ends: 8904 [2021-11-13 18:51:32,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1065 GetRequests, 1062 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:51:32,208 INFO L933 BasicCegarLoop]: 6935 mSDtfsCounter, 130 mSDsluCounter, 20647 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 27582 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 61.01ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.16ms IncrementalHoareTripleChecker+Time [2021-11-13 18:51:32,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 27582 Invalid, 20 Unknown, 0 Unchecked, 61.01ms Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 30.16ms Time] [2021-11-13 18:51:32,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8904 states. [2021-11-13 18:51:32,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8904 to 8832. [2021-11-13 18:51:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8832 states, 6032 states have (on average 1.285974801061008) internal successors, (7757), 6272 states have internal predecessors, (7757), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 567 states have return successors, (2468), 2083 states have call predecessors, (2468), 2230 states have call successors, (2468) [2021-11-13 18:51:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8832 states to 8832 states and 12457 transitions. [2021-11-13 18:51:32,919 INFO L78 Accepts]: Start accepts. Automaton has 8832 states and 12457 transitions. Word has length 1066 [2021-11-13 18:51:32,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:51:32,922 INFO L470 AbstractCegarLoop]: Abstraction has 8832 states and 12457 transitions. [2021-11-13 18:51:32,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) [2021-11-13 18:51:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 8832 states and 12457 transitions. [2021-11-13 18:51:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2021-11-13 18:51:33,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:51:33,047 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:51:33,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:51:33,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:33,262 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:51:33,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:51:33,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1909309866, now seen corresponding path program 1 times [2021-11-13 18:51:33,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:51:33,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938357279] [2021-11-13 18:51:33,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:33,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:51:34,026 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:51:34,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217681365] [2021-11-13 18:51:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:34,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:34,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:51:34,028 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:51:34,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 18:51:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:42,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 22333 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:51:42,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:51:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4914 trivial. 0 not checked. [2021-11-13 18:51:45,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:51:45,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:51:45,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938357279] [2021-11-13 18:51:45,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:51:45,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217681365] [2021-11-13 18:51:45,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217681365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:51:45,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:51:45,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:51:45,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829272212] [2021-11-13 18:51:45,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:51:45,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:51:45,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:51:45,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:51:45,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:51:45,028 INFO L87 Difference]: Start difference. First operand 8832 states and 12457 transitions. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2021-11-13 18:51:48,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:51:48,281 INFO L93 Difference]: Finished difference Result 23113 states and 33198 transitions. [2021-11-13 18:51:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:51:48,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) Word has length 1081 [2021-11-13 18:51:48,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:51:48,399 INFO L225 Difference]: With dead ends: 23113 [2021-11-13 18:51:48,399 INFO L226 Difference]: Without dead ends: 14299 [2021-11-13 18:51:48,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1082 GetRequests, 1077 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:51:48,603 INFO L933 BasicCegarLoop]: 10899 mSDtfsCounter, 5503 mSDsluCounter, 27454 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1779.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5880 SdHoareTripleChecker+Valid, 38353 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.25ms SdHoareTripleChecker+Time, 1890 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2135.08ms IncrementalHoareTripleChecker+Time [2021-11-13 18:51:48,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5880 Valid, 38353 Invalid, 1908 Unknown, 0 Unchecked, 103.25ms Time], IncrementalHoareTripleChecker [1890 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2135.08ms Time] [2021-11-13 18:51:48,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14299 states. [2021-11-13 18:51:49,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14299 to 8835. [2021-11-13 18:51:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8835 states, 6035 states have (on average 1.2858326429163214) internal successors, (7760), 6275 states have internal predecessors, (7760), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 567 states have return successors, (2468), 2083 states have call predecessors, (2468), 2230 states have call successors, (2468) [2021-11-13 18:51:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8835 states to 8835 states and 12460 transitions. [2021-11-13 18:51:49,334 INFO L78 Accepts]: Start accepts. Automaton has 8835 states and 12460 transitions. Word has length 1081 [2021-11-13 18:51:49,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:51:49,335 INFO L470 AbstractCegarLoop]: Abstraction has 8835 states and 12460 transitions. [2021-11-13 18:51:49,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2021-11-13 18:51:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8835 states and 12460 transitions. [2021-11-13 18:51:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2021-11-13 18:51:49,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:51:49,418 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:51:49,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:51:49,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:49,646 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:51:49,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:51:49,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1393992024, now seen corresponding path program 1 times [2021-11-13 18:51:49,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:51:49,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709975659] [2021-11-13 18:51:49,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:49,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:51:50,744 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:51:50,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493487083] [2021-11-13 18:51:50,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:51:50,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:51:50,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:51:50,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:51:50,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 18:51:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:51:58,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 22332 conjuncts, 76 conjunts are in the unsatisfiable core [2021-11-13 18:51:58,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:52:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 1388 proven. 66 refuted. 0 times theorem prover too weak. 3460 trivial. 0 not checked. [2021-11-13 18:52:02,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:52:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4883 trivial. 0 not checked. [2021-11-13 18:52:16,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:52:16,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709975659] [2021-11-13 18:52:16,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:52:16,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493487083] [2021-11-13 18:52:16,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493487083] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 18:52:16,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:52:16,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2021-11-13 18:52:16,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662421875] [2021-11-13 18:52:16,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:52:16,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:52:16,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:52:16,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:52:16,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-13 18:52:16,743 INFO L87 Difference]: Start difference. First operand 8835 states and 12460 transitions. Second operand has 8 states, 8 states have (on average 50.125) internal successors, (401), 7 states have internal predecessors, (401), 4 states have call successors, (117), 3 states have call predecessors, (117), 4 states have return successors, (115), 6 states have call predecessors, (115), 4 states have call successors, (115) [2021-11-13 18:52:19,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:21,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:23,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:52:37,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-13 18:53:30,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:53:30,067 INFO L93 Difference]: Finished difference Result 29845 states and 44526 transitions. [2021-11-13 18:53:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 18:53:30,067 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 50.125) internal successors, (401), 7 states have internal predecessors, (401), 4 states have call successors, (117), 3 states have call predecessors, (117), 4 states have return successors, (115), 6 states have call predecessors, (115), 4 states have call successors, (115) Word has length 1081 [2021-11-13 18:53:30,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:53:30,235 INFO L225 Difference]: With dead ends: 29845 [2021-11-13 18:53:30,235 INFO L226 Difference]: Without dead ends: 21042 [2021-11-13 18:53:30,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2168 GetRequests, 2148 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2021-11-13 18:53:30,288 INFO L933 BasicCegarLoop]: 8600 mSDtfsCounter, 16327 mSDsluCounter, 16108 mSDsCounter, 0 mSdLazyCounter, 22161 mSolverCounterSat, 4833 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63693.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17467 SdHoareTripleChecker+Valid, 24708 SdHoareTripleChecker+Invalid, 26998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 313.57ms SdHoareTripleChecker+Time, 4833 IncrementalHoareTripleChecker+Valid, 22161 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70720.63ms IncrementalHoareTripleChecker+Time [2021-11-13 18:53:30,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17467 Valid, 24708 Invalid, 26998 Unknown, 0 Unchecked, 313.57ms Time], IncrementalHoareTripleChecker [4833 Valid, 22161 Invalid, 4 Unknown, 0 Unchecked, 70720.63ms Time] [2021-11-13 18:53:30,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21042 states. [2021-11-13 18:53:31,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21042 to 20642. [2021-11-13 18:53:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20642 states, 14158 states have (on average 1.2880350331967791) internal successors, (18236), 14633 states have internal predecessors, (18236), 5182 states have call successors, (5182), 1129 states have call predecessors, (5182), 1301 states have return successors, (7592), 5076 states have call predecessors, (7592), 5180 states have call successors, (7592) [2021-11-13 18:53:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20642 states to 20642 states and 31010 transitions. [2021-11-13 18:53:31,986 INFO L78 Accepts]: Start accepts. Automaton has 20642 states and 31010 transitions. Word has length 1081 [2021-11-13 18:53:31,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:53:31,989 INFO L470 AbstractCegarLoop]: Abstraction has 20642 states and 31010 transitions. [2021-11-13 18:53:31,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 50.125) internal successors, (401), 7 states have internal predecessors, (401), 4 states have call successors, (117), 3 states have call predecessors, (117), 4 states have return successors, (115), 6 states have call predecessors, (115), 4 states have call successors, (115) [2021-11-13 18:53:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 20642 states and 31010 transitions. [2021-11-13 18:53:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1084 [2021-11-13 18:53:32,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:53:32,222 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:53:32,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:32,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-13 18:53:32,437 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:53:32,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:32,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1717231280, now seen corresponding path program 1 times [2021-11-13 18:53:32,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:32,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305625909] [2021-11-13 18:53:32,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:32,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:33,670 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:53:33,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256150445] [2021-11-13 18:53:33,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:33,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:53:33,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:33,672 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:53:33,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 18:53:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:53:41,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 22341 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-13 18:53:41,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:53:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4899 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 4576 trivial. 0 not checked. [2021-11-13 18:53:45,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:53:45,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:53:45,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305625909] [2021-11-13 18:53:45,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:53:45,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256150445] [2021-11-13 18:53:45,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256150445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:53:45,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:53:45,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-13 18:53:45,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637049534] [2021-11-13 18:53:45,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:53:45,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-13 18:53:45,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:53:45,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-13 18:53:45,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-11-13 18:53:45,053 INFO L87 Difference]: Start difference. First operand 20642 states and 31010 transitions. Second operand has 15 states, 14 states have (on average 29.071428571428573) internal successors, (407), 14 states have internal predecessors, (407), 4 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (115), 4 states have call predecessors, (115), 4 states have call successors, (115) [2021-11-13 18:53:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:53:48,242 INFO L93 Difference]: Finished difference Result 41292 states and 62032 transitions. [2021-11-13 18:53:48,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 18:53:48,246 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 29.071428571428573) internal successors, (407), 14 states have internal predecessors, (407), 4 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (115), 4 states have call predecessors, (115), 4 states have call successors, (115) Word has length 1083 [2021-11-13 18:53:48,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:53:48,409 INFO L225 Difference]: With dead ends: 41292 [2021-11-13 18:53:48,409 INFO L226 Difference]: Without dead ends: 20633 [2021-11-13 18:53:48,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1096 GetRequests, 1069 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2021-11-13 18:53:48,538 INFO L933 BasicCegarLoop]: 6883 mSDtfsCounter, 51 mSDsluCounter, 89400 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1119.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 96283 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 119.55ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1247.55ms IncrementalHoareTripleChecker+Time [2021-11-13 18:53:48,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 96283 Invalid, 661 Unknown, 0 Unchecked, 119.55ms Time], IncrementalHoareTripleChecker [52 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 1247.55ms Time] [2021-11-13 18:53:48,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20633 states. [2021-11-13 18:53:50,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20633 to 20633. [2021-11-13 18:53:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20633 states, 14151 states have (on average 1.2879655148046074) internal successors, (18226), 14625 states have internal predecessors, (18226), 5181 states have call successors, (5181), 1128 states have call predecessors, (5181), 1300 states have return successors, (7591), 5075 states have call predecessors, (7591), 5179 states have call successors, (7591) [2021-11-13 18:53:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20633 states to 20633 states and 30998 transitions. [2021-11-13 18:53:50,240 INFO L78 Accepts]: Start accepts. Automaton has 20633 states and 30998 transitions. Word has length 1083 [2021-11-13 18:53:50,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:53:50,241 INFO L470 AbstractCegarLoop]: Abstraction has 20633 states and 30998 transitions. [2021-11-13 18:53:50,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 29.071428571428573) internal successors, (407), 14 states have internal predecessors, (407), 4 states have call successors, (117), 2 states have call predecessors, (117), 4 states have return successors, (115), 4 states have call predecessors, (115), 4 states have call successors, (115) [2021-11-13 18:53:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 20633 states and 30998 transitions. [2021-11-13 18:53:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2021-11-13 18:53:50,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:53:50,537 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:53:50,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:53:50,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-13 18:53:50,758 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:53:50,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:50,759 INFO L85 PathProgramCache]: Analyzing trace with hash -523067003, now seen corresponding path program 1 times [2021-11-13 18:53:50,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:50,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850327905] [2021-11-13 18:53:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:50,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:51,810 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:53:51,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669998415] [2021-11-13 18:53:51,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:51,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:53:51,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:51,812 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:53:51,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 18:54:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:54:00,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 22383 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 18:54:00,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:54:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4899 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 3415 trivial. 0 not checked. [2021-11-13 18:54:02,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:54:02,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:54:02,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850327905] [2021-11-13 18:54:02,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:54:02,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669998415] [2021-11-13 18:54:02,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669998415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:54:02,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:54:02,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 18:54:02,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368486811] [2021-11-13 18:54:02,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:54:02,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:54:02,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:54:02,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:54:02,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:54:02,928 INFO L87 Difference]: Start difference. First operand 20633 states and 30998 transitions. Second operand has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) [2021-11-13 18:54:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:54:04,403 INFO L93 Difference]: Finished difference Result 41287 states and 65509 transitions. [2021-11-13 18:54:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:54:04,404 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1087 [2021-11-13 18:54:04,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:54:04,576 INFO L225 Difference]: With dead ends: 41287 [2021-11-13 18:54:04,576 INFO L226 Difference]: Without dead ends: 20681 [2021-11-13 18:54:04,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1078 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:54:04,810 INFO L933 BasicCegarLoop]: 6910 mSDtfsCounter, 2 mSDsluCounter, 55246 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 149.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62156 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 128.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.09ms IncrementalHoareTripleChecker+Time [2021-11-13 18:54:04,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 62156 Invalid, 79 Unknown, 0 Unchecked, 128.75ms Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 165.09ms Time] [2021-11-13 18:54:04,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20681 states. [2021-11-13 18:54:06,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20681 to 20681. [2021-11-13 18:54:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20681 states, 14191 states have (on average 1.2871538298921852) internal successors, (18266), 14665 states have internal predecessors, (18266), 5181 states have call successors, (5181), 1128 states have call predecessors, (5181), 1308 states have return successors, (8099), 5083 states have call predecessors, (8099), 5179 states have call successors, (8099) [2021-11-13 18:54:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20681 states to 20681 states and 31546 transitions. [2021-11-13 18:54:06,615 INFO L78 Accepts]: Start accepts. Automaton has 20681 states and 31546 transitions. Word has length 1087 [2021-11-13 18:54:06,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:54:06,618 INFO L470 AbstractCegarLoop]: Abstraction has 20681 states and 31546 transitions. [2021-11-13 18:54:06,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) [2021-11-13 18:54:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 20681 states and 31546 transitions. [2021-11-13 18:54:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2021-11-13 18:54:07,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:54:07,014 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:54:07,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:07,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:07,229 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:54:07,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:54:07,230 INFO L85 PathProgramCache]: Analyzing trace with hash 236881172, now seen corresponding path program 1 times [2021-11-13 18:54:07,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:54:07,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200331737] [2021-11-13 18:54:07,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:07,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:54:08,369 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:54:08,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416805174] [2021-11-13 18:54:08,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:54:08,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:54:08,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:08,371 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:54:08,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46762ba6-aeb1-435b-91aa-d92fa1101c8c/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process