./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 87d751c38266966f7e13f07f7e55352de718a08f836cc4448c296942db0eac01 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:32:33,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:32:33,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:32:33,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:32:33,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:32:33,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:32:33,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:32:33,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:32:33,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:32:33,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:32:33,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:32:33,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:32:33,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:32:33,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:32:33,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:32:33,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:32:33,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:32:33,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:32:33,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:32:33,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:32:33,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:32:33,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:32:33,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:32:33,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:32:33,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:32:33,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:32:33,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:32:33,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:32:33,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:32:33,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:32:33,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:32:33,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:32:33,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:32:33,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:32:33,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:32:33,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:32:33,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:32:33,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:32:33,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:32:33,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:32:33,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:32:33,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:32:33,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:32:33,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:32:33,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:32:33,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:32:33,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:32:33,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:32:33,964 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:32:33,964 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:32:33,964 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:32:33,965 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:32:33,965 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:32:33,965 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:32:33,965 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:32:33,965 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:32:33,965 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:32:33,966 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:32:33,966 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:32:33,966 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:32:33,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:32:33,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:32:33,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:32:33,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:32:33,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:32:33,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:32:33,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:32:33,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:32:33,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:32:33,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:32:33,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:32:33,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:32:33,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:32:33,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:32:33,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:32:33,970 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:32:33,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:32:33,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:32:33,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:32:33,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:32:33,971 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d751c38266966f7e13f07f7e55352de718a08f836cc4448c296942db0eac01 [2021-11-25 19:32:34,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:32:34,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:32:34,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:32:34,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:32:34,315 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:32:34,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i [2021-11-25 19:32:34,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/data/2b35ab084/778d2a25d63c42ad8e4976abfbc9d42c/FLAG42088dcc9 [2021-11-25 19:32:35,388 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:32:35,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i [2021-11-25 19:32:35,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/data/2b35ab084/778d2a25d63c42ad8e4976abfbc9d42c/FLAG42088dcc9 [2021-11-25 19:32:35,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/data/2b35ab084/778d2a25d63c42ad8e4976abfbc9d42c [2021-11-25 19:32:35,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:32:35,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:32:35,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:32:35,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:32:35,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:32:35,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:35" (1/1) ... [2021-11-25 19:32:35,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19552c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:35, skipping insertion in model container [2021-11-25 19:32:35,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:35" (1/1) ... [2021-11-25 19:32:35,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:32:35,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:32:38,803 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344155,344168] [2021-11-25 19:32:38,806 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344302,344315] [2021-11-25 19:32:38,807 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344441,344454] [2021-11-25 19:32:38,807 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344599,344612] [2021-11-25 19:32:38,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:32:38,897 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:32:39,467 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344155,344168] [2021-11-25 19:32:39,467 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344302,344315] [2021-11-25 19:32:39,468 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344441,344454] [2021-11-25 19:32:39,468 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_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-hdpvr-hdpvr.cil.i[344599,344612] [2021-11-25 19:32:39,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:32:39,635 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:32:39,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39 WrapperNode [2021-11-25 19:32:39,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:32:39,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:32:39,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:32:39,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:32:39,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:39,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:42,205 INFO L137 Inliner]: procedures = 331, calls = 5617, calls flagged for inlining = 199, calls inlined = 194, statements flattened = 11157 [2021-11-25 19:32:42,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:32:42,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:32:42,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:32:42,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:32:42,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:42,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:43,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:43,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:45,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:45,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:45,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:45,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:32:45,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:32:45,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:32:45,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:32:45,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:39" (1/1) ... [2021-11-25 19:32:45,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:32:45,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:32:45,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:32:45,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150dd23d-5b87-4ae1-8e4b-c19509a7d8cd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:32:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-25 19:32:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-25 19:32:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure list_size [2021-11-25 19:32:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure list_size [2021-11-25 19:32:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:32:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:32:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:32:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:32:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:32:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:32:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:32:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:32:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:32:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:32:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-25 19:32:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-25 19:32:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_free_buffers [2021-11-25 19:32:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_free_buffers [2021-11-25 19:32:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_device_release [2021-11-25 19:32:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_device_release [2021-11-25 19:32:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_set_audio [2021-11-25 19:32:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_set_audio [2021-11-25 19:32:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 19:32:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 19:32:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_config_call [2021-11-25 19:32:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_config_call [2021-11-25 19:32:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:32:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:32:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_disconnect [2021-11-25 19:32:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_disconnect [2021-11-25 19:32:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-11-25 19:32:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-11-25 19:32:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-25 19:32:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-25 19:32:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-25 19:32:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-25 19:32:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:32:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:32:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:32:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:32:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-25 19:32:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-25 19:32:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:32:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:32:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure get_video_info [2021-11-25 19:32:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure get_video_info [2021-11-25 19:32:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-25 19:32:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-25 19:32:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:32:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:32:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2021-11-25 19:32:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2021-11-25 19:32:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_get_next_buffer [2021-11-25 19:32:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_get_next_buffer [2021-11-25 19:32:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-25 19:32:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-25 19:32:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:32:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_hdpvr_usb_driver_exit_6_2 [2021-11-25 19:32:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_hdpvr_usb_driver_exit_6_2 [2021-11-25 19:32:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:32:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-25 19:32:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-25 19:32:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 19:32:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 19:32:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:32:45,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:32:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:32:45,576 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:32:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 19:32:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 19:32:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:32:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:32:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 19:32:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 19:32:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-25 19:32:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-25 19:32:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:32:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:32:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:32:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 19:32:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 19:32:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:32:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:32:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:32:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:32:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:32:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:32:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_set_bitrate [2021-11-25 19:32:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_set_bitrate [2021-11-25 19:32:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_i2c_write [2021-11-25 19:32:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_i2c_write [2021-11-25 19:32:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-25 19:32:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-25 19:32:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-25 19:32:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-25 19:32:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 19:32:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 19:32:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_free_queue [2021-11-25 19:32:45,585 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_free_queue [2021-11-25 19:32:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-25 19:32:45,586 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-25 19:32:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:32:45,587 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:32:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 19:32:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 19:32:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_delete [2021-11-25 19:32:45,592 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_delete [2021-11-25 19:32:45,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:32:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_open [2021-11-25 19:32:45,593 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_open [2021-11-25 19:32:45,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:32:45,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:32:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-11-25 19:32:45,595 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-11-25 19:32:45,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_1_4 [2021-11-25 19:32:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_1_4 [2021-11-25 19:32:45,602 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2021-11-25 19:32:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2021-11-25 19:32:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:32:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 19:32:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 19:32:45,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 19:32:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 19:32:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_stop_streaming [2021-11-25 19:32:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_stop_streaming [2021-11-25 19:32:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:32:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:32:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:32:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:32:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-25 19:32:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-25 19:32:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:32:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:32:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-25 19:32:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-25 19:32:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 19:32:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 19:32:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_s_ctrl [2021-11-25 19:32:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_s_ctrl [2021-11-25 19:32:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-25 19:32:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-25 19:32:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:32:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:32:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_cancel_queue [2021-11-25 19:32:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_cancel_queue [2021-11-25 19:32:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-11-25 19:32:45,607 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-11-25 19:32:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 19:32:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 19:32:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_release [2021-11-25 19:32:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_release [2021-11-25 19:32:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_try_ctrl [2021-11-25 19:32:45,608 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_try_ctrl [2021-11-25 19:32:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:32:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 19:32:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 19:32:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 19:32:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 19:32:45,609 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 19:32:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:32:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:32:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_start_streaming [2021-11-25 19:32:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_start_streaming [2021-11-25 19:32:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure hdpvr_i2c_read [2021-11-25 19:32:45,610 INFO L138 BoogieDeclarations]: Found implementation of procedure hdpvr_i2c_read [2021-11-25 19:32:46,806 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:32:46,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:32:47,061 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;