./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc --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 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:54:43,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:54:43,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:54:43,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:54:43,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:54:43,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:54:43,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:54:43,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:54:43,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:54:43,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:54:43,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:54:43,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:54:43,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:54:43,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:54:43,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:54:43,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:54:43,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:54:43,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:54:43,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:54:43,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:54:43,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:54:43,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:54:43,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:54:43,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:54:43,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:54:43,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:54:43,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:54:43,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:54:43,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:54:43,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:54:43,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:54:43,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:54:43,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:54:43,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:54:43,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:54:43,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:54:43,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:54:43,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:54:43,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:54:43,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:54:43,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:54:43,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:54:43,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:54:43,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:54:43,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:54:43,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:54:43,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:54:43,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:54:43,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:54:43,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:54:43,976 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:54:43,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:54:43,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:54:43,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:54:43,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:54:43,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:54:43,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:54:43,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:54:43,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:54:43,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:54:43,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:54:43,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:54:43,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:54:43,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:54:43,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:54:43,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:54:43,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:54:43,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:54:43,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:54:43,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:54:43,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:54:43,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:54:43,986 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_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2022-11-02 20:54:44,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:54:44,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:54:44,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:54:44,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:54:44,427 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:54:44,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-02 20:54:44,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/data/4f2a7c08d/8281b9025f8d4e48a5234ee8e4da28f7/FLAG089ec7b3e [2022-11-02 20:54:45,572 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:54:45,573 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-02 20:54:45,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/data/4f2a7c08d/8281b9025f8d4e48a5234ee8e4da28f7/FLAG089ec7b3e [2022-11-02 20:54:46,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/data/4f2a7c08d/8281b9025f8d4e48a5234ee8e4da28f7 [2022-11-02 20:54:46,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:54:46,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:54:46,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:54:46,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:54:46,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:54:46,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:54:46" (1/1) ... [2022-11-02 20:54:46,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4d5cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:46, skipping insertion in model container [2022-11-02 20:54:46,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:54:46" (1/1) ... [2022-11-02 20:54:46,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:54:46,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:54:47,959 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_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-11-02 20:54:48,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:54:48,142 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:54:48,677 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_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2022-11-02 20:54:48,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:54:48,746 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:54:48,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48 WrapperNode [2022-11-02 20:54:48,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:54:48,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:54:48,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:54:48,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:54:48,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,897 INFO L138 Inliner]: procedures = 127, calls = 966, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 848 [2022-11-02 20:54:48,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:54:48,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:54:48,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:54:48,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:54:48,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:48,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:54:49,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:54:49,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:54:49,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:54:49,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (1/1) ... [2022-11-02 20:54:49,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:54:49,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:54:49,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:54:49,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:54:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:54:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:54:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2022-11-02 20:54:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2022-11-02 20:54:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-02 20:54:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-02 20:54:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:54:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-02 20:54:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-02 20:54:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:54:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:54:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2022-11-02 20:54:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2022-11-02 20:54:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:54:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:54:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:54:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:54:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:54:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2022-11-02 20:54:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2022-11-02 20:54:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:54:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:54:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:54:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:54:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2022-11-02 20:54:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2022-11-02 20:54:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:54:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-02 20:54:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-02 20:54:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:54:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:54:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:54:49,627 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:54:49,629 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:54:51,600 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:54:51,613 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:54:51,613 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:54:51,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:54:51 BoogieIcfgContainer [2022-11-02 20:54:51,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:54:51,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:54:51,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:54:51,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:54:51,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:54:46" (1/3) ... [2022-11-02 20:54:51,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fee0929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:54:51, skipping insertion in model container [2022-11-02 20:54:51,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:54:48" (2/3) ... [2022-11-02 20:54:51,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fee0929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:54:51, skipping insertion in model container [2022-11-02 20:54:51,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:54:51" (3/3) ... [2022-11-02 20:54:51,627 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-02 20:54:51,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:54:51,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:54:51,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:54:51,746 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b5aa638, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:54:51,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:54:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-02 20:54:51,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-02 20:54:51,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:51,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:54:51,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:51,773 INFO L85 PathProgramCache]: Analyzing trace with hash 717894242, now seen corresponding path program 1 times [2022-11-02 20:54:51,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:51,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071306879] [2022-11-02 20:54:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:51,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:54:52,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:52,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071306879] [2022-11-02 20:54:52,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071306879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:52,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:52,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:54:52,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747412354] [2022-11-02 20:54:52,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:52,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:54:52,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:52,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:54:52,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:52,435 INFO L87 Difference]: Start difference. First operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:52,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:52,631 INFO L93 Difference]: Finished difference Result 603 states and 818 transitions. [2022-11-02 20:54:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:54:52,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-02 20:54:52,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:52,661 INFO L225 Difference]: With dead ends: 603 [2022-11-02 20:54:52,661 INFO L226 Difference]: Without dead ends: 389 [2022-11-02 20:54:52,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:52,672 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 249 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:52,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 563 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:54:52,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-11-02 20:54:52,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2022-11-02 20:54:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 323 states have (on average 1.346749226006192) internal successors, (435), 329 states have internal predecessors, (435), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-02 20:54:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 522 transitions. [2022-11-02 20:54:52,793 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 522 transitions. Word has length 16 [2022-11-02 20:54:52,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:52,795 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 522 transitions. [2022-11-02 20:54:52,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2022-11-02 20:54:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:54:52,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:52,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:54:52,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:54:52,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:52,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:52,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1068806708, now seen corresponding path program 1 times [2022-11-02 20:54:52,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:52,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670640749] [2022-11-02 20:54:52,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:52,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:54:52,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:52,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670640749] [2022-11-02 20:54:52,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670640749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:52,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:52,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:54:52,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224175887] [2022-11-02 20:54:52,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:52,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:54:52,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:52,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:54:52,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:52,995 INFO L87 Difference]: Start difference. First operand 389 states and 522 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:53,056 INFO L93 Difference]: Finished difference Result 407 states and 542 transitions. [2022-11-02 20:54:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:54:53,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-02 20:54:53,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:53,059 INFO L225 Difference]: With dead ends: 407 [2022-11-02 20:54:53,060 INFO L226 Difference]: Without dead ends: 398 [2022-11-02 20:54:53,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:53,062 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 268 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:53,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 292 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:54:53,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-02 20:54:53,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 389. [2022-11-02 20:54:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 323 states have (on average 1.3436532507739938) internal successors, (434), 329 states have internal predecessors, (434), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-02 20:54:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 521 transitions. [2022-11-02 20:54:53,104 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 521 transitions. Word has length 19 [2022-11-02 20:54:53,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:53,104 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 521 transitions. [2022-11-02 20:54:53,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 521 transitions. [2022-11-02 20:54:53,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:54:53,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:53,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:54:53,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:54:53,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:53,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:53,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1126065010, now seen corresponding path program 1 times [2022-11-02 20:54:53,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:53,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259106306] [2022-11-02 20:54:53,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:53,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:54:53,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:53,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259106306] [2022-11-02 20:54:53,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259106306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:53,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:53,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:54:53,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937574886] [2022-11-02 20:54:53,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:53,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:54:53,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:53,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:54:53,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:53,287 INFO L87 Difference]: Start difference. First operand 389 states and 521 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:53,325 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2022-11-02 20:54:53,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:54:53,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-02 20:54:53,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:53,328 INFO L225 Difference]: With dead ends: 391 [2022-11-02 20:54:53,328 INFO L226 Difference]: Without dead ends: 388 [2022-11-02 20:54:53,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:53,330 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 255 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:53,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 270 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:54:53,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-11-02 20:54:53,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2022-11-02 20:54:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 323 states have (on average 1.3405572755417956) internal successors, (433), 328 states have internal predecessors, (433), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-02 20:54:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 519 transitions. [2022-11-02 20:54:53,359 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 519 transitions. Word has length 19 [2022-11-02 20:54:53,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:53,360 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 519 transitions. [2022-11-02 20:54:53,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,360 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2022-11-02 20:54:53,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 20:54:53,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:53,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:54:53,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:54:53,362 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:53,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:53,362 INFO L85 PathProgramCache]: Analyzing trace with hash 548175285, now seen corresponding path program 1 times [2022-11-02 20:54:53,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:53,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457637686] [2022-11-02 20:54:53,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:53,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:54:53,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:53,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457637686] [2022-11-02 20:54:53,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457637686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:53,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:53,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:54:53,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620744977] [2022-11-02 20:54:53,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:53,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:54:53,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:53,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:54:53,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:53,522 INFO L87 Difference]: Start difference. First operand 388 states and 519 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:53,583 INFO L93 Difference]: Finished difference Result 390 states and 520 transitions. [2022-11-02 20:54:53,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:54:53,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-02 20:54:53,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:53,588 INFO L225 Difference]: With dead ends: 390 [2022-11-02 20:54:53,588 INFO L226 Difference]: Without dead ends: 387 [2022-11-02 20:54:53,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:53,599 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 252 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:53,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 268 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:54:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-11-02 20:54:53,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2022-11-02 20:54:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 323 states have (on average 1.3374613003095974) internal successors, (432), 327 states have internal predecessors, (432), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-02 20:54:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 517 transitions. [2022-11-02 20:54:53,651 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 517 transitions. Word has length 20 [2022-11-02 20:54:53,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:53,654 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 517 transitions. [2022-11-02 20:54:53,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 517 transitions. [2022-11-02 20:54:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 20:54:53,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:54:53,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:54:53,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:54:53,658 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:54:53,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:54:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash -186532139, now seen corresponding path program 1 times [2022-11-02 20:54:53,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:54:53,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529467224] [2022-11-02 20:54:53,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:54:53,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:54:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:54:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:54:53,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:54:53,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529467224] [2022-11-02 20:54:53,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529467224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:54:53,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:54:53,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:54:53,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839890690] [2022-11-02 20:54:53,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:54:53,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:54:53,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:54:53,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:54:53,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:53,839 INFO L87 Difference]: Start difference. First operand 387 states and 517 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:54:53,879 INFO L93 Difference]: Finished difference Result 387 states and 517 transitions. [2022-11-02 20:54:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:54:53,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-02 20:54:53,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:54:53,880 INFO L225 Difference]: With dead ends: 387 [2022-11-02 20:54:53,881 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:54:53,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:54:53,883 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 248 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:54:53,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 266 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:54:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:54:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:54:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:54:53,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-02 20:54:53,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:54:53,885 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:54:53,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:54:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:54:53,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:54:53,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:54:53,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:54:53,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:54:55,488 INFO L899 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2022-11-02 20:54:55,488 INFO L899 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2022-11-02 20:54:55,488 INFO L902 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2022-11-02 20:54:55,489 INFO L899 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2022-11-02 20:54:55,489 INFO L899 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2022-11-02 20:54:55,489 INFO L902 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2022-11-02 20:54:55,489 INFO L899 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2022-11-02 20:54:55,489 INFO L902 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2022-11-02 20:54:55,489 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2022-11-02 20:54:55,489 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2022-11-02 20:54:55,489 INFO L902 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2022-11-02 20:54:55,490 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2022-11-02 20:54:55,490 INFO L902 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2022-11-02 20:54:55,490 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2022-11-02 20:54:55,490 INFO L902 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2022-11-02 20:54:55,490 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2022-11-02 20:54:55,490 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2022-11-02 20:54:55,490 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2022-11-02 20:54:55,490 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2022-11-02 20:54:55,490 INFO L902 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2022-11-02 20:54:55,491 INFO L899 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2022-11-02 20:54:55,491 INFO L902 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2022-11-02 20:54:55,491 INFO L902 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: true [2022-11-02 20:54:55,491 INFO L899 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2022-11-02 20:54:55,491 INFO L899 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2022-11-02 20:54:55,491 INFO L899 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2022-11-02 20:54:55,491 INFO L899 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2022-11-02 20:54:55,491 INFO L902 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2022-11-02 20:54:55,491 INFO L902 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: true [2022-11-02 20:54:55,491 INFO L902 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: true [2022-11-02 20:54:55,492 INFO L902 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: true [2022-11-02 20:54:55,492 INFO L902 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2022-11-02 20:54:55,492 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:54:55,492 INFO L902 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: true [2022-11-02 20:54:55,492 INFO L902 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: true [2022-11-02 20:54:55,492 INFO L899 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2022-11-02 20:54:55,492 INFO L899 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2022-11-02 20:54:55,492 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2022-11-02 20:54:55,492 INFO L902 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2022-11-02 20:54:55,492 INFO L899 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2022-11-02 20:54:55,493 INFO L899 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2022-11-02 20:54:55,493 INFO L902 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: true [2022-11-02 20:54:55,493 INFO L899 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2022-11-02 20:54:55,493 INFO L902 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: true [2022-11-02 20:54:55,493 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2022-11-02 20:54:55,493 INFO L902 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: true [2022-11-02 20:54:55,493 INFO L902 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: true [2022-11-02 20:54:55,493 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2022-11-02 20:54:55,493 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2022-11-02 20:54:55,493 INFO L899 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2022-11-02 20:54:55,494 INFO L902 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: true [2022-11-02 20:54:55,494 INFO L902 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2022-11-02 20:54:55,494 INFO L899 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2022-11-02 20:54:55,494 INFO L899 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2022-11-02 20:54:55,495 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2022-11-02 20:54:55,495 INFO L899 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2022-11-02 20:54:55,495 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2022-11-02 20:54:55,495 INFO L899 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2022-11-02 20:54:55,495 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: true [2022-11-02 20:54:55,496 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2022-11-02 20:54:55,496 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2022-11-02 20:54:55,496 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2022-11-02 20:54:55,496 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2022-11-02 20:54:55,496 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2022-11-02 20:54:55,496 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2022-11-02 20:54:55,497 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2022-11-02 20:54:55,497 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2022-11-02 20:54:55,497 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2022-11-02 20:54:55,497 INFO L899 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2022-11-02 20:54:55,497 INFO L902 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2022-11-02 20:54:55,497 INFO L899 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2022-11-02 20:54:55,498 INFO L895 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,498 INFO L899 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2022-11-02 20:54:55,498 INFO L895 garLoopResultBuilder]: At program point L7286(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,498 INFO L895 garLoopResultBuilder]: At program point L6675(lines 6662 6677) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,499 INFO L899 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2022-11-02 20:54:55,499 INFO L895 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2022-11-02 20:54:55,499 INFO L899 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2022-11-02 20:54:55,499 INFO L899 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2022-11-02 20:54:55,499 INFO L895 garLoopResultBuilder]: At program point L6692(lines 6678 6694) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,499 INFO L899 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2022-11-02 20:54:55,500 INFO L895 garLoopResultBuilder]: At program point L8063(lines 8062 8064) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,500 INFO L902 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: true [2022-11-02 20:54:55,500 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:54:55,500 INFO L899 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2022-11-02 20:54:55,500 INFO L895 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,501 INFO L895 garLoopResultBuilder]: At program point L7485(lines 7481 7487) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,501 INFO L899 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2022-11-02 20:54:55,501 INFO L895 garLoopResultBuilder]: At program point L8047(lines 8046 8048) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,501 INFO L895 garLoopResultBuilder]: At program point L6643-3(lines 6640 6645) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,501 INFO L899 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2022-11-02 20:54:55,501 INFO L899 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2022-11-02 20:54:55,502 INFO L899 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2022-11-02 20:54:55,502 INFO L899 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2022-11-02 20:54:55,502 INFO L899 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2022-11-02 20:54:55,502 INFO L899 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2022-11-02 20:54:55,502 INFO L895 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,503 INFO L895 garLoopResultBuilder]: At program point L7288(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,503 INFO L899 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2022-11-02 20:54:55,503 INFO L895 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,503 INFO L899 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2022-11-02 20:54:55,503 INFO L895 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,504 INFO L895 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,504 INFO L899 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2022-11-02 20:54:55,504 INFO L895 garLoopResultBuilder]: At program point L7355(lines 7248 7357) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,504 INFO L899 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2022-11-02 20:54:55,504 INFO L899 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2022-11-02 20:54:55,504 INFO L899 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2022-11-02 20:54:55,505 INFO L899 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2022-11-02 20:54:55,505 INFO L899 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2022-11-02 20:54:55,505 INFO L895 garLoopResultBuilder]: At program point L8066(lines 8065 8067) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,505 INFO L895 garLoopResultBuilder]: At program point L7290(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,505 INFO L899 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2022-11-02 20:54:55,505 INFO L895 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,506 INFO L895 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,506 INFO L902 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: true [2022-11-02 20:54:55,506 INFO L895 garLoopResultBuilder]: At program point L8083-2(lines 8082 8084) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,506 INFO L895 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2022-11-02 20:54:55,506 INFO L899 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2022-11-02 20:54:55,507 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2022-11-02 20:54:55,507 INFO L899 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2022-11-02 20:54:55,507 INFO L899 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2022-11-02 20:54:55,507 INFO L895 garLoopResultBuilder]: At program point L8100(lines 8099 8101) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,507 INFO L895 garLoopResultBuilder]: At program point L7456(lines 7445 7458) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,507 INFO L895 garLoopResultBuilder]: At program point L8001(lines 7995 8003) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,508 INFO L895 garLoopResultBuilder]: At program point L7324(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,508 INFO L899 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2022-11-02 20:54:55,508 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:54:55,508 INFO L895 garLoopResultBuilder]: At program point L7342(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,508 INFO L899 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2022-11-02 20:54:55,509 INFO L895 garLoopResultBuilder]: At program point L7656(lines 7647 7658) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,509 INFO L895 garLoopResultBuilder]: At program point L8036-2(lines 8035 8037) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,509 INFO L899 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2022-11-02 20:54:55,509 INFO L895 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,509 INFO L895 garLoopResultBuilder]: At program point L7326(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,509 INFO L899 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2022-11-02 20:54:55,510 INFO L899 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2022-11-02 20:54:55,510 INFO L895 garLoopResultBuilder]: At program point L7442(lines 7389 7444) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,510 INFO L895 garLoopResultBuilder]: At program point L8053-2(lines 8052 8054) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,510 INFO L899 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2022-11-02 20:54:55,510 INFO L895 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,510 INFO L899 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2022-11-02 20:54:55,511 INFO L895 garLoopResultBuilder]: At program point L7492(lines 7488 7494) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,511 INFO L899 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2022-11-02 20:54:55,511 INFO L895 garLoopResultBuilder]: At program point L7344(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,511 INFO L895 garLoopResultBuilder]: At program point L7377(lines 7360 7380) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,511 INFO L899 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2022-11-02 20:54:55,511 INFO L899 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2022-11-02 20:54:55,512 INFO L895 garLoopResultBuilder]: At program point L8104(lines 8103 8105) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,512 INFO L895 garLoopResultBuilder]: At program point L7328(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,512 INFO L899 garLoopResultBuilder]: For program point L6684-2(lines 6681 6693) no Hoare annotation was computed. [2022-11-02 20:54:55,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:54:55,512 INFO L899 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2022-11-02 20:54:55,512 INFO L899 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2022-11-02 20:54:55,513 INFO L895 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,513 INFO L899 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2022-11-02 20:54:55,513 INFO L899 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2022-11-02 20:54:55,513 INFO L899 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2022-11-02 20:54:55,513 INFO L899 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2022-11-02 20:54:55,513 INFO L895 garLoopResultBuilder]: At program point L6619(lines 6615 6621) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,514 INFO L899 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2022-11-02 20:54:55,514 INFO L895 garLoopResultBuilder]: At program point L8023(lines 8022 8024) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,514 INFO L899 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2022-11-02 20:54:55,514 INFO L899 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2022-11-02 20:54:55,514 INFO L895 garLoopResultBuilder]: At program point L7346(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,514 INFO L895 garLoopResultBuilder]: At program point L7379(lines 7358 7381) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,515 INFO L895 garLoopResultBuilder]: At program point L6768(lines 6758 6770) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,515 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2022-11-02 20:54:55,515 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2022-11-02 20:54:55,515 INFO L899 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2022-11-02 20:54:55,515 INFO L899 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2022-11-02 20:54:55,515 INFO L895 garLoopResultBuilder]: At program point L8090(lines 8089 8091) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,516 INFO L899 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2022-11-02 20:54:55,516 INFO L899 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2022-11-02 20:54:55,516 INFO L895 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,516 INFO L899 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2022-11-02 20:54:55,516 INFO L899 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2022-11-02 20:54:55,516 INFO L899 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2022-11-02 20:54:55,517 INFO L899 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2022-11-02 20:54:55,517 INFO L895 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,517 INFO L899 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2022-11-02 20:54:55,517 INFO L899 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2022-11-02 20:54:55,517 INFO L899 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2022-11-02 20:54:55,517 INFO L895 garLoopResultBuilder]: At program point L6605(lines 6601 6607) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,518 INFO L895 garLoopResultBuilder]: At program point L7431(lines 7395 7443) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,518 INFO L899 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2022-11-02 20:54:55,518 INFO L895 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2022-11-02 20:54:55,518 INFO L899 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2022-11-02 20:54:55,518 INFO L899 garLoopResultBuilder]: For program point L6688-1(lines 6688 6691) no Hoare annotation was computed. [2022-11-02 20:54:55,518 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:54:55,519 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-11-02 20:54:55,519 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2022-11-02 20:54:55,519 INFO L895 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,519 INFO L895 garLoopResultBuilder]: At program point L8059(lines 8058 8060) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,519 INFO L899 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2022-11-02 20:54:55,519 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-11-02 20:54:55,520 INFO L895 garLoopResultBuilder]: At program point L7580(lines 7505 7585) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,520 INFO L899 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2022-11-02 20:54:55,520 INFO L895 garLoopResultBuilder]: At program point L7564(lines 7505 7585) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,520 INFO L899 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2022-11-02 20:54:55,520 INFO L899 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2022-11-02 20:54:55,520 INFO L899 garLoopResultBuilder]: For program point L6706(lines 6706 6709) no Hoare annotation was computed. [2022-11-02 20:54:55,521 INFO L899 garLoopResultBuilder]: For program point L6706-2(lines 6706 6709) no Hoare annotation was computed. [2022-11-02 20:54:55,521 INFO L895 garLoopResultBuilder]: At program point L7664(lines 7659 7666) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,521 INFO L895 garLoopResultBuilder]: At program point L7334(lines 7259 7356) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,521 INFO L899 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2022-11-02 20:54:55,521 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2022-11-02 20:54:55,521 INFO L895 garLoopResultBuilder]: At program point L6724(lines 6695 6726) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2022-11-02 20:54:55,522 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2022-11-02 20:54:55,522 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2022-11-02 20:54:55,522 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2022-11-02 20:54:55,525 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:54:55,527 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:54:55,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:54:55 BoogieIcfgContainer [2022-11-02 20:54:55,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:54:55,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:54:55,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:54:55,551 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:54:55,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:54:51" (3/4) ... [2022-11-02 20:54:55,555 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:54:55,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2022-11-02 20:54:55,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2022-11-02 20:54:55,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-02 20:54:55,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-02 20:54:55,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2022-11-02 20:54:55,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2022-11-02 20:54:55,562 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2022-11-02 20:54:55,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2022-11-02 20:54:55,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2022-11-02 20:54:55,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-11-02 20:54:55,563 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-02 20:54:55,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2022-11-02 20:54:55,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2022-11-02 20:54:55,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-02 20:54:55,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:54:55,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:54:55,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:54:55,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:54:55,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:54:55,702 INFO L158 Benchmark]: Toolchain (without parser) took 9691.96ms. Allocated memory was 100.7MB in the beginning and 270.5MB in the end (delta: 169.9MB). Free memory was 55.1MB in the beginning and 149.4MB in the end (delta: -94.4MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2022-11-02 20:54:55,702 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:54:55,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2732.44ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 54.9MB in the beginning and 166.1MB in the end (delta: -111.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2022-11-02 20:54:55,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.97ms. Allocated memory is still 220.2MB. Free memory was 166.1MB in the beginning and 157.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:54:55,703 INFO L158 Benchmark]: Boogie Preprocessor took 150.09ms. Allocated memory is still 220.2MB. Free memory was 157.7MB in the beginning and 149.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:54:55,704 INFO L158 Benchmark]: RCFGBuilder took 2566.71ms. Allocated memory is still 220.2MB. Free memory was 149.3MB in the beginning and 129.5MB in the end (delta: 19.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-02 20:54:55,704 INFO L158 Benchmark]: TraceAbstraction took 3931.22ms. Allocated memory was 220.2MB in the beginning and 270.5MB in the end (delta: 50.3MB). Free memory was 129.5MB in the beginning and 164.1MB in the end (delta: -34.6MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-11-02 20:54:55,705 INFO L158 Benchmark]: Witness Printer took 150.56ms. Allocated memory is still 270.5MB. Free memory was 164.1MB in the beginning and 149.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 20:54:55,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2732.44ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 54.9MB in the beginning and 166.1MB in the end (delta: -111.2MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.97ms. Allocated memory is still 220.2MB. Free memory was 166.1MB in the beginning and 157.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.09ms. Allocated memory is still 220.2MB. Free memory was 157.7MB in the beginning and 149.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2566.71ms. Allocated memory is still 220.2MB. Free memory was 149.3MB in the beginning and 129.5MB in the end (delta: 19.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3931.22ms. Allocated memory was 220.2MB in the beginning and 270.5MB in the end (delta: 50.3MB). Free memory was 129.5MB in the beginning and 164.1MB in the end (delta: -34.6MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 150.56ms. Allocated memory is still 270.5MB. Free memory was 164.1MB in the beginning and 149.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7671]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1272 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1272 mSDsluCounter, 1659 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1385 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=1, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 246 PreInvPairs, 349 NumberOfFragments, 756 HoareAnnotationTreeSize, 246 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 90 FomulaSimplificationsInter, 2675 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8052]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8062]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6615]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8103]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8099]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7659]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6695]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8089]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8065]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7995]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6640]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6758]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8025]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6678]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8022]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7445]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: (1 == ldv_mutex_mutex_of_device && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8058]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8082]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6662]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 8046]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: (((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 6601]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_mutex_of_device && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:54:55,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_128fca5d-8c06-4ddf-ae1c-2bf0d06d1a0f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE