./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa --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 3690840768266c876b9a5649dea3d910fb39c399b8d09186979b1540326c7185 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:18:07,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:18:07,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:18:07,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:18:07,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:18:07,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:18:07,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:18:07,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:18:08,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:18:08,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:18:08,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:18:08,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:18:08,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:18:08,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:18:08,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:18:08,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:18:08,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:18:08,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:18:08,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:18:08,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:18:08,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:18:08,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:18:08,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:18:08,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:18:08,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:18:08,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:18:08,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:18:08,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:18:08,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:18:08,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:18:08,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:18:08,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:18:08,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:18:08,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:18:08,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:18:08,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:18:08,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:18:08,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:18:08,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:18:08,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:18:08,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:18:08,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 18:18:08,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:18:08,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:18:08,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:18:08,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:18:08,060 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:18:08,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:18:08,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:18:08,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:18:08,061 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:18:08,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:18:08,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:18:08,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:18:08,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:18:08,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:18:08,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:18:08,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:18:08,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:18:08,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:18:08,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:18:08,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:18:08,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:18:08,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:18:08,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:18:08,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:18:08,063 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_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3690840768266c876b9a5649dea3d910fb39c399b8d09186979b1540326c7185 [2021-12-06 18:18:08,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:18:08,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:18:08,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:18:08,253 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:18:08,254 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:18:08,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 18:18:08,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/data/bd12d79ec/05886bcb5cd84b1289d3ba8b5f12ae43/FLAGdc89b0704 [2021-12-06 18:18:08,988 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:18:08,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 18:18:09,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/data/bd12d79ec/05886bcb5cd84b1289d3ba8b5f12ae43/FLAGdc89b0704 [2021-12-06 18:18:09,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/data/bd12d79ec/05886bcb5cd84b1289d3ba8b5f12ae43 [2021-12-06 18:18:09,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:18:09,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:18:09,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:18:09,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:18:09,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:18:09,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:09" (1/1) ... [2021-12-06 18:18:09,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fabde15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:09, skipping insertion in model container [2021-12-06 18:18:09,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:18:09" (1/1) ... [2021-12-06 18:18:09,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:18:09,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:18:13,881 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554141,554154] [2021-12-06 18:18:13,884 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554310,554323] [2021-12-06 18:18:13,884 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554477,554490] [2021-12-06 18:18:13,885 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554645,554658] [2021-12-06 18:18:13,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:18:13,957 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:18:14,344 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554141,554154] [2021-12-06 18:18:14,345 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554310,554323] [2021-12-06 18:18:14,345 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554477,554490] [2021-12-06 18:18:14,345 WARN L230 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_33b90e49-df44-4f6c-92df-b5a768027150/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554645,554658] [2021-12-06 18:18:14,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:18:14,553 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:18:14,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14 WrapperNode [2021-12-06 18:18:14,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:18:14,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:18:14,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:18:14,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:18:14,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:14,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:14,860 INFO L137 Inliner]: procedures = 704, calls = 4224, calls flagged for inlining = 360, calls inlined = 292, statements flattened = 8578 [2021-12-06 18:18:14,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:18:14,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:18:14,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:18:14,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:18:14,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:14,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:14,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:14,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:15,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:15,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:15,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:15,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:18:15,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:18:15,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:18:15,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:18:15,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (1/1) ... [2021-12-06 18:18:15,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:18:15,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:18:15,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:18:15,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b90e49-df44-4f6c-92df-b5a768027150/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:18:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-12-06 18:18:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-12-06 18:18:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-12-06 18:18:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-12-06 18:18:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-12-06 18:18:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-12-06 18:18:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 18:18:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 18:18:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-06 18:18:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-06 18:18:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2021-12-06 18:18:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2021-12-06 18:18:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 18:18:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 18:18:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-12-06 18:18:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-12-06 18:18:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 18:18:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 18:18:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 18:18:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 18:18:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 18:18:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 18:18:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-06 18:18:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-06 18:18:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-06 18:18:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-06 18:18:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 18:18:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 18:18:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 18:18:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 18:18:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 18:18:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 18:18:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-06 18:18:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-06 18:18:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-12-06 18:18:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-12-06 18:18:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-06 18:18:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-06 18:18:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-06 18:18:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-06 18:18:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-12-06 18:18:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-12-06 18:18:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 18:18:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 18:18:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 18:18:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 18:18:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 18:18:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 18:18:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 18:18:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 18:18:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 18:18:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 18:18:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:18:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 18:18:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 18:18:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-12-06 18:18:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-12-06 18:18:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-06 18:18:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-06 18:18:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 18:18:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 18:18:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-06 18:18:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-06 18:18:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 18:18:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 18:18:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-06 18:18:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-06 18:18:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 18:18:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 18:18:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 18:18:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 18:18:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 18:18:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 18:18:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 18:18:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 18:18:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-12-06 18:18:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-12-06 18:18:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:18:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-12-06 18:18:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-12-06 18:18:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 18:18:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 18:18:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 18:18:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 18:18:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 18:18:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 18:18:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 18:18:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 18:18:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-06 18:18:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-06 18:18:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 18:18:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 18:18:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-06 18:18:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-06 18:18:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 18:18:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 18:18:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-12-06 18:18:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-12-06 18:18:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 18:18:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 18:18:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-12-06 18:18:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-12-06 18:18:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-12-06 18:18:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-12-06 18:18:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-06 18:18:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-06 18:18:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-06 18:18:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-06 18:18:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-12-06 18:18:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-12-06 18:18:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 18:18:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 18:18:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-12-06 18:18:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-12-06 18:18:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 18:18:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 18:18:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 18:18:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 18:18:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 18:18:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 18:18:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 18:18:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 18:18:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 18:18:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-06 18:18:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-06 18:18:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:18:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 18:18:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 18:18:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 18:18:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 18:18:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:18:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 18:18:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:18:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 18:18:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-12-06 18:18:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-12-06 18:18:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-12-06 18:18:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-12-06 18:18:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 18:18:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 18:18:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 18:18:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 18:18:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-06 18:18:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-06 18:18:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 18:18:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 18:18:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-12-06 18:18:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-12-06 18:18:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 18:18:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 18:18:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-06 18:18:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-06 18:18:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-06 18:18:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-06 18:18:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 18:18:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 18:18:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 18:18:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 18:18:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-12-06 18:18:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-12-06 18:18:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-12-06 18:18:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-12-06 18:18:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:18:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:18:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 18:18:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 18:18:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 18:18:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-12-06 18:18:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-12-06 18:18:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 18:18:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 18:18:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 18:18:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 18:18:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 18:18:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 18:18:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 18:18:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 18:18:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 18:18:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 18:18:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 18:18:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 18:18:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 18:18:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 18:18:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 18:18:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 18:18:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 18:18:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 18:18:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-12-06 18:18:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-12-06 18:18:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-06 18:18:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-06 18:18:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 18:18:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 18:18:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 18:18:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 18:18:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-12-06 18:18:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-12-06 18:18:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 18:18:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 18:18:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 18:18:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 18:18:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 18:18:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 18:18:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-06 18:18:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-06 18:18:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 18:18:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 18:18:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:18:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 18:18:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 18:18:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 18:18:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-06 18:18:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-06 18:18:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-06 18:18:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-06 18:18:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-12-06 18:18:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-12-06 18:18:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 18:18:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:18:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 18:18:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 18:18:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 18:18:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-12-06 18:18:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-12-06 18:18:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 18:18:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 18:18:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 18:18:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 18:18:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 18:18:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 18:18:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 18:18:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 18:18:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-12-06 18:18:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-12-06 18:18:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-12-06 18:18:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-12-06 18:18:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 18:18:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 18:18:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-06 18:18:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-06 18:18:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 18:18:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 18:18:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 18:18:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 18:18:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-12-06 18:18:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-12-06 18:18:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-12-06 18:18:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-12-06 18:18:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 18:18:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 18:18:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-12-06 18:18:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-12-06 18:18:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:18:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-06 18:18:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-06 18:18:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 18:18:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 18:18:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-12-06 18:18:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-12-06 18:18:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 18:18:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 18:18:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 18:18:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 18:18:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 18:18:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 18:18:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-06 18:18:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-06 18:18:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-12-06 18:18:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-12-06 18:18:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-06 18:18:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-06 18:18:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-12-06 18:18:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-12-06 18:18:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-06 18:18:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-06 18:18:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-12-06 18:18:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-12-06 18:18:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 18:18:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 18:18:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-12-06 18:18:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-12-06 18:18:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-12-06 18:18:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-12-06 18:18:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-12-06 18:18:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-12-06 18:18:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 18:18:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 18:18:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 18:18:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 18:18:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 18:18:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 18:18:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-12-06 18:18:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-12-06 18:18:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 18:18:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 18:18:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 18:18:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 18:18:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 18:18:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 18:18:15,226 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 18:18:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 18:18:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 18:18:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 18:18:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:18:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-12-06 18:18:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-12-06 18:18:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-06 18:18:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-06 18:18:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 18:18:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 18:18:15,227 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-12-06 18:18:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-12-06 18:18:15,228 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-06 18:18:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-06 18:18:15,918 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:18:15,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:18:16,070 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 18:31:49,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 18:31:49,980 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:31:50,003 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:31:50,003 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-06 18:31:50,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:31:50 BoogieIcfgContainer [2021-12-06 18:31:50,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:31:50,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:31:50,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:31:50,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:31:50,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:18:09" (1/3) ... [2021-12-06 18:31:50,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6272ce80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:31:50, skipping insertion in model container [2021-12-06 18:31:50,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:18:14" (2/3) ... [2021-12-06 18:31:50,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6272ce80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:31:50, skipping insertion in model container [2021-12-06 18:31:50,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:31:50" (3/3) ... [2021-12-06 18:31:50,014 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 18:31:50,018 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:31:50,018 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 18:31:50,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:31:50,083 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 [2021-12-06 18:31:50,084 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 18:31:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 2920 states, 2075 states have (on average 1.2915662650602409) internal successors, (2680), 2111 states have internal predecessors, (2680), 695 states have call successors, (695), 148 states have call predecessors, (695), 147 states have return successors, (684), 678 states have call predecessors, (684), 684 states have call successors, (684) [2021-12-06 18:31:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-06 18:31:50,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:31:50,175 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:31:50,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:31:50,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:50,181 INFO L85 PathProgramCache]: Analyzing trace with hash 877612621, now seen corresponding path program 1 times [2021-12-06 18:31:50,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:50,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213833555] [2021-12-06 18:31:50,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:50,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:31:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:31:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:31:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:31:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:31:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:31:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:31:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:31:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:31:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:31:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:31:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:31:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:31:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:31:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:31:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:31:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:31:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:31:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:31:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:31:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:31:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:31:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:31:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 18:31:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-06 18:31:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-06 18:31:52,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:31:52,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213833555] [2021-12-06 18:31:52,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213833555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:31:52,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:31:52,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:31:52,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181551668] [2021-12-06 18:31:52,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:31:52,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:31:52,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:31:52,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:31:52,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:31:52,179 INFO L87 Difference]: Start difference. First operand has 2920 states, 2075 states have (on average 1.2915662650602409) internal successors, (2680), 2111 states have internal predecessors, (2680), 695 states have call successors, (695), 148 states have call predecessors, (695), 147 states have return successors, (684), 678 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 18:31:54,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:31:56,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:32:00,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:32:06,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:32:15,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:32:15,284 INFO L93 Difference]: Finished difference Result 8642 states and 12391 transitions. [2021-12-06 18:32:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:32:15,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 270 [2021-12-06 18:32:15,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:32:15,335 INFO L225 Difference]: With dead ends: 8642 [2021-12-06 18:32:15,336 INFO L226 Difference]: Without dead ends: 5752 [2021-12-06 18:32:15,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:32:15,360 INFO L933 BasicCegarLoop]: 3996 mSDtfsCounter, 5487 mSDsluCounter, 3852 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 2275 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6116 SdHoareTripleChecker+Valid, 7848 SdHoareTripleChecker+Invalid, 5106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:32:15,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6116 Valid, 7848 Invalid, 5106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2275 Valid, 2827 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2021-12-06 18:32:15,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5752 states. [2021-12-06 18:32:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5752 to 5584. [2021-12-06 18:32:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5584 states, 3982 states have (on average 1.261928679055751) internal successors, (5025), 4049 states have internal predecessors, (5025), 1309 states have call successors, (1309), 291 states have call predecessors, (1309), 290 states have return successors, (1305), 1293 states have call predecessors, (1305), 1305 states have call successors, (1305) [2021-12-06 18:32:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5584 states to 5584 states and 7639 transitions. [2021-12-06 18:32:15,671 INFO L78 Accepts]: Start accepts. Automaton has 5584 states and 7639 transitions. Word has length 270 [2021-12-06 18:32:15,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:32:15,672 INFO L470 AbstractCegarLoop]: Abstraction has 5584 states and 7639 transitions. [2021-12-06 18:32:15,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 18:32:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 5584 states and 7639 transitions. [2021-12-06 18:32:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-06 18:32:15,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:32:15,680 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:32:15,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:32:15,680 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 18:32:15,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:32:15,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1251298824, now seen corresponding path program 1 times [2021-12-06 18:32:15,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:32:15,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742847017] [2021-12-06 18:32:15,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:32:15,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:32:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 18:32:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:32:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:32:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 18:32:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 18:32:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 18:32:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 18:32:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 18:32:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 18:32:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 18:32:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 18:32:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 18:32:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 18:32:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 18:32:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 18:32:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 18:32:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 18:32:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 18:32:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 18:32:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 18:32:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 18:32:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 18:32:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 18:32:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 18:32:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 18:32:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:32:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-06 18:32:16,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:32:16,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742847017] [2021-12-06 18:32:16,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742847017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:32:16,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:32:16,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:32:16,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844072445] [2021-12-06 18:32:16,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:32:16,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:32:16,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:32:16,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:32:16,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:32:16,951 INFO L87 Difference]: Start difference. First operand 5584 states and 7639 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 18:32:19,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:32:21,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:32:25,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:32:32,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []