./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS --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 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- 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-8393723 [2022-11-19 07:34:26,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:34:26,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:34:26,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:34:26,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:34:26,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:34:26,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:34:26,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:34:26,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:34:26,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:34:26,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:34:26,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:34:26,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:34:26,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:34:26,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:34:26,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:34:26,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:34:26,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:34:26,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:34:26,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:34:26,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:34:26,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:34:26,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:34:26,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:34:26,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:34:26,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:34:26,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:34:26,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:34:26,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:34:26,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:34:26,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:34:26,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:34:26,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:34:26,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:34:26,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:34:26,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:34:26,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:34:26,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:34:26,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:34:26,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:34:26,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:34:26,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:34:26,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:34:26,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:34:26,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:34:26,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:34:26,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:34:26,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:34:26,956 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:34:26,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:34:26,957 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:34:26,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:34:26,957 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:34:26,958 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:34:26,958 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:34:26,958 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:34:26,958 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:34:26,959 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:34:26,959 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:34:26,959 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:34:26,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:34:26,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:34:26,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:34:26,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:34:26,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:34:26,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:34:26,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:34:26,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:34:26,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:34:26,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:34:26,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:34:26,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:34:26,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:34:26,964 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:34:26,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:34:26,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:34:26,964 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:34:26,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:34:26,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:34:26,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:34:26,965 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_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-11-19 07:34:27,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:34:27,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:34:27,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:34:27,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:34:27,285 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:34:27,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-19 07:34:27,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/data/cea502400/998c67b5458b422f8d153f2c3d0c893d/FLAG656580102 [2022-11-19 07:34:28,291 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:34:28,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-19 07:34:28,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/data/cea502400/998c67b5458b422f8d153f2c3d0c893d/FLAG656580102 [2022-11-19 07:34:28,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/data/cea502400/998c67b5458b422f8d153f2c3d0c893d [2022-11-19 07:34:28,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:34:28,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:34:28,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:34:28,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:34:28,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:34:28,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:28" (1/1) ... [2022-11-19 07:34:28,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bf9f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:28, skipping insertion in model container [2022-11-19 07:34:28,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:28" (1/1) ... [2022-11-19 07:34:28,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:34:28,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:34:30,258 WARN L234 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_91ea7dbe-f618-4708-9847-3a93203c5de8/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-19 07:34:30,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:34:30,316 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:34:30,601 WARN L234 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_91ea7dbe-f618-4708-9847-3a93203c5de8/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-19 07:34:30,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:34:30,738 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:34:30,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30 WrapperNode [2022-11-19 07:34:30,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:34:30,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:34:30,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:34:30,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:34:30,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:30,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:30,987 INFO L138 Inliner]: procedures = 146, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2929 [2022-11-19 07:34:30,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:34:30,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:34:30,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:34:30,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:34:31,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,218 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:34:31,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:34:31,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:34:31,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:34:31,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (1/1) ... [2022-11-19 07:34:31,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:34:31,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:34:31,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:34:31,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:34:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-11-19 07:34:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-11-19 07:34:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:34:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:34:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:34:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:34:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-11-19 07:34:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-11-19 07:34:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-11-19 07:34:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-11-19 07:34:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-11-19 07:34:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-11-19 07:34:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-11-19 07:34:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-11-19 07:34:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:34:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:34:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-19 07:34:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-19 07:34:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:34:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:34:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-11-19 07:34:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-11-19 07:34:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-11-19 07:34:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-11-19 07:34:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-19 07:34:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-19 07:34:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:34:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:34:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:34:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:34:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-11-19 07:34:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-11-19 07:34:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:34:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:34:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:34:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:34:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:34:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-11-19 07:34:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-11-19 07:34:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-19 07:34:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-19 07:34:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:34:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:34:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-11-19 07:34:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-11-19 07:34:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-19 07:34:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-19 07:34:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-11-19 07:34:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-11-19 07:34:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:34:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-11-19 07:34:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-11-19 07:34:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-11-19 07:34:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-11-19 07:34:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-11-19 07:34:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-11-19 07:34:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-11-19 07:34:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-11-19 07:34:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:34:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:34:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-19 07:34:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-19 07:34:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:34:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-11-19 07:34:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-11-19 07:34:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-11-19 07:34:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-11-19 07:34:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-11-19 07:34:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-11-19 07:34:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-19 07:34:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-19 07:34:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-11-19 07:34:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-11-19 07:34:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:34:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:34:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:34:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:34:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:34:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-11-19 07:34:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-11-19 07:34:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:34:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:34:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-11-19 07:34:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-11-19 07:34:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-19 07:34:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-19 07:34:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:34:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:34:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:34:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:34:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:34:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-19 07:34:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-19 07:34:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-11-19 07:34:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-11-19 07:34:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-11-19 07:34:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-11-19 07:34:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-11-19 07:34:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-11-19 07:34:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-11-19 07:34:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-11-19 07:34:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-11-19 07:34:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-11-19 07:34:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-11-19 07:34:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-11-19 07:34:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:34:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 07:34:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:34:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:34:31,963 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:34:31,968 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:34:38,369 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:34:39,884 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:34:39,884 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:34:39,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:39 BoogieIcfgContainer [2022-11-19 07:34:39,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:34:39,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:34:39,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:34:39,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:34:39,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:28" (1/3) ... [2022-11-19 07:34:39,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697680b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:39, skipping insertion in model container [2022-11-19 07:34:39,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:30" (2/3) ... [2022-11-19 07:34:39,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697680b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:39, skipping insertion in model container [2022-11-19 07:34:39,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:39" (3/3) ... [2022-11-19 07:34:39,899 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-19 07:34:39,920 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:34:39,920 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:34:40,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:34:40,031 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=FINITE_AUTOMATA, 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;@d659e54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:34:40,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:34:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 750 states, 490 states have (on average 1.3755102040816327) internal successors, (674), 498 states have internal predecessors, (674), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) [2022-11-19 07:34:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 07:34:40,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:40,072 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:40,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:40,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:40,081 INFO L85 PathProgramCache]: Analyzing trace with hash 2100831572, now seen corresponding path program 1 times [2022-11-19 07:34:40,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:40,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9774794] [2022-11-19 07:34:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:40,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:34:42,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:42,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9774794] [2022-11-19 07:34:42,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9774794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:42,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:42,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:34:42,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374642169] [2022-11-19 07:34:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:42,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:34:42,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:42,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:34:42,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:34:42,950 INFO L87 Difference]: Start difference. First operand has 750 states, 490 states have (on average 1.3755102040816327) internal successors, (674), 498 states have internal predecessors, (674), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) Second operand has 8 states, 6 states have (on average 6.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:34:46,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:56,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:58,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:00,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:01,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:03,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:03,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:03,713 INFO L93 Difference]: Finished difference Result 1679 states and 2504 transitions. [2022-11-19 07:35:03,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:35:03,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 64 [2022-11-19 07:35:03,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:03,749 INFO L225 Difference]: With dead ends: 1679 [2022-11-19 07:35:03,749 INFO L226 Difference]: Without dead ends: 936 [2022-11-19 07:35:03,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:35:03,779 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 206 mSDsluCounter, 5771 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 13 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 6958 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2596 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:03,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 6958 Invalid, 2613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2596 Invalid, 4 Unknown, 0 Unchecked, 20.3s Time] [2022-11-19 07:35:03,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-11-19 07:35:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 749. [2022-11-19 07:35:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 490 states have (on average 1.3612244897959183) internal successors, (667), 497 states have internal predecessors, (667), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (214), 212 states have call predecessors, (214), 211 states have call successors, (214) [2022-11-19 07:35:03,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1092 transitions. [2022-11-19 07:35:03,937 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1092 transitions. Word has length 64 [2022-11-19 07:35:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:03,938 INFO L495 AbstractCegarLoop]: Abstraction has 749 states and 1092 transitions. [2022-11-19 07:35:03,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:35:03,939 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1092 transitions. [2022-11-19 07:35:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 07:35:03,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:03,951 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:03,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:35:03,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:03,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:03,954 INFO L85 PathProgramCache]: Analyzing trace with hash -852562039, now seen corresponding path program 1 times [2022-11-19 07:35:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:03,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196849138] [2022-11-19 07:35:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:03,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:35:05,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:05,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196849138] [2022-11-19 07:35:05,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196849138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:05,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:05,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:35:05,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842584102] [2022-11-19 07:35:05,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:05,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:35:05,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:05,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:35:05,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:35:05,958 INFO L87 Difference]: Start difference. First operand 749 states and 1092 transitions. Second operand has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 9 states have internal predecessors, (37), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:35:10,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:22,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:24,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:25,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:27,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:29,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:31,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:32,336 INFO L93 Difference]: Finished difference Result 2141 states and 3230 transitions. [2022-11-19 07:35:32,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 07:35:32,338 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 9 states have internal predecessors, (37), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 65 [2022-11-19 07:35:32,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:32,352 INFO L225 Difference]: With dead ends: 2141 [2022-11-19 07:35:32,352 INFO L226 Difference]: Without dead ends: 1410 [2022-11-19 07:35:32,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:35:32,358 INFO L413 NwaCegarLoop]: 1692 mSDtfsCounter, 591 mSDsluCounter, 8143 mSDsCounter, 0 mSdLazyCounter, 3246 mSolverCounterSat, 112 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 9835 SdHoareTripleChecker+Invalid, 3363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3246 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:32,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 9835 Invalid, 3363 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [112 Valid, 3246 Invalid, 5 Unknown, 0 Unchecked, 25.9s Time] [2022-11-19 07:35:32,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2022-11-19 07:35:32,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 750. [2022-11-19 07:35:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 491 states have (on average 1.3604887983706722) internal successors, (668), 498 states have internal predecessors, (668), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (214), 212 states have call predecessors, (214), 211 states have call successors, (214) [2022-11-19 07:35:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1093 transitions. [2022-11-19 07:35:32,425 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1093 transitions. Word has length 65 [2022-11-19 07:35:32,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:32,425 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1093 transitions. [2022-11-19 07:35:32,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 9 states have internal predecessors, (37), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:35:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1093 transitions. [2022-11-19 07:35:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 07:35:32,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:32,429 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:32,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:35:32,430 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:32,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:32,431 INFO L85 PathProgramCache]: Analyzing trace with hash 454119312, now seen corresponding path program 1 times [2022-11-19 07:35:32,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:32,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257213002] [2022-11-19 07:35:32,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:35:34,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:34,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257213002] [2022-11-19 07:35:34,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257213002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:34,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:34,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:35:34,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106264287] [2022-11-19 07:35:34,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:34,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:35:34,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:34,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:35:34,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:35:34,131 INFO L87 Difference]: Start difference. First operand 750 states and 1093 transitions. Second operand has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 9 states have internal predecessors, (37), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:35:38,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:48,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:50,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:52,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:53,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:55,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:56,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:56,769 INFO L93 Difference]: Finished difference Result 1674 states and 2478 transitions. [2022-11-19 07:35:56,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:35:56,771 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 9 states have internal predecessors, (37), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 65 [2022-11-19 07:35:56,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:56,779 INFO L225 Difference]: With dead ends: 1674 [2022-11-19 07:35:56,779 INFO L226 Difference]: Without dead ends: 942 [2022-11-19 07:35:56,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:35:56,784 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 337 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 2776 mSolverCounterSat, 143 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 6385 SdHoareTripleChecker+Invalid, 2923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2776 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:56,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 6385 Invalid, 2923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [143 Valid, 2776 Invalid, 4 Unknown, 0 Unchecked, 22.2s Time] [2022-11-19 07:35:56,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-11-19 07:35:56,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 755. [2022-11-19 07:35:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 495 states have (on average 1.3595959595959597) internal successors, (673), 502 states have internal predecessors, (673), 211 states have call successors, (211), 46 states have call predecessors, (211), 48 states have return successors, (217), 213 states have call predecessors, (217), 211 states have call successors, (217) [2022-11-19 07:35:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1101 transitions. [2022-11-19 07:35:56,827 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1101 transitions. Word has length 65 [2022-11-19 07:35:56,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:56,828 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 1101 transitions. [2022-11-19 07:35:56,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 9 states have internal predecessors, (37), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:35:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1101 transitions. [2022-11-19 07:35:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 07:35:56,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:56,831 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:56,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:35:56,832 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:56,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:56,832 INFO L85 PathProgramCache]: Analyzing trace with hash -361034547, now seen corresponding path program 1 times [2022-11-19 07:35:56,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:56,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943676718] [2022-11-19 07:35:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:56,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:35:58,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:58,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943676718] [2022-11-19 07:35:58,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943676718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:58,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:58,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-19 07:35:58,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553699063] [2022-11-19 07:35:58,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:58,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:35:58,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:58,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:35:58,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:35:58,417 INFO L87 Difference]: Start difference. First operand 755 states and 1101 transitions. Second operand has 10 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:36:03,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:17,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:19,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:21,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:23,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:25,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:28,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:30,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:32,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:34,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:34,670 INFO L93 Difference]: Finished difference Result 2174 states and 3291 transitions. [2022-11-19 07:36:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:36:34,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 66 [2022-11-19 07:36:34,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:34,681 INFO L225 Difference]: With dead ends: 2174 [2022-11-19 07:36:34,681 INFO L226 Difference]: Without dead ends: 1437 [2022-11-19 07:36:34,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:36:34,687 INFO L413 NwaCegarLoop]: 1600 mSDtfsCounter, 753 mSDsluCounter, 10002 mSDsCounter, 0 mSdLazyCounter, 4596 mSolverCounterSat, 197 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 4800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 4596 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:34,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 11602 Invalid, 4800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [197 Valid, 4596 Invalid, 7 Unknown, 0 Unchecked, 35.6s Time] [2022-11-19 07:36:34,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2022-11-19 07:36:34,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 760. [2022-11-19 07:36:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 499 states have (on average 1.3607214428857715) internal successors, (679), 506 states have internal predecessors, (679), 211 states have call successors, (211), 46 states have call predecessors, (211), 49 states have return successors, (220), 214 states have call predecessors, (220), 211 states have call successors, (220) [2022-11-19 07:36:34,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1110 transitions. [2022-11-19 07:36:34,735 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1110 transitions. Word has length 66 [2022-11-19 07:36:34,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:34,735 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 1110 transitions. [2022-11-19 07:36:34,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.75) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-19 07:36:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1110 transitions. [2022-11-19 07:36:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 07:36:34,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:34,739 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:34,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:36:34,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:34,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash 926317998, now seen corresponding path program 1 times [2022-11-19 07:36:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:34,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911029981] [2022-11-19 07:36:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:34,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:36:36,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:36:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:36:37,488 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:36:37,489 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:36:37,490 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:36:37,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:36:37,496 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:36:37,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:36:37,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:37 BoogieIcfgContainer [2022-11-19 07:36:37,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:36:37,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:36:37,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:36:37,636 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:36:37,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:39" (3/4) ... [2022-11-19 07:36:37,638 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 07:36:37,753 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:36:37,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:36:37,754 INFO L158 Benchmark]: Toolchain (without parser) took 128952.26ms. Allocated memory was 98.6MB in the beginning and 662.7MB in the end (delta: 564.1MB). Free memory was 56.7MB in the beginning and 471.3MB in the end (delta: -414.6MB). Peak memory consumption was 148.7MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,754 INFO L158 Benchmark]: CDTParser took 10.84ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 80.9MB in the end (delta: -11.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1935.41ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 56.4MB in the beginning and 84.7MB in the end (delta: -28.3MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 247.61ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 67.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,756 INFO L158 Benchmark]: Boogie Preprocessor took 264.71ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 80.5MB in the end (delta: -13.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,757 INFO L158 Benchmark]: RCFGBuilder took 8634.81ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 80.5MB in the beginning and 123.2MB in the end (delta: -42.7MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,758 INFO L158 Benchmark]: TraceAbstraction took 117743.56ms. Allocated memory was 411.0MB in the beginning and 662.7MB in the end (delta: 251.7MB). Free memory was 123.2MB in the beginning and 483.9MB in the end (delta: -360.6MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,758 INFO L158 Benchmark]: Witness Printer took 117.72ms. Allocated memory is still 662.7MB. Free memory was 483.9MB in the beginning and 471.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:36:37,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 10.84ms. Allocated memory is still 98.6MB. Free memory was 69.5MB in the beginning and 80.9MB in the end (delta: -11.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1935.41ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 56.4MB in the beginning and 84.7MB in the end (delta: -28.3MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 247.61ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 67.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 264.71ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 80.5MB in the end (delta: -13.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8634.81ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 80.5MB in the beginning and 123.2MB in the end (delta: -42.7MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. * TraceAbstraction took 117743.56ms. Allocated memory was 411.0MB in the beginning and 662.7MB in the end (delta: 251.7MB). Free memory was 123.2MB in the beginning and 483.9MB in the end (delta: -360.6MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. * Witness Printer took 117.72ms. Allocated memory is still 662.7MB. Free memory was 483.9MB in the beginning and 471.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 6190]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5972] struct i2c_device_id const __mod_i2c_device_table ; [L4032] static int debug ; [L5667-L5669] static struct v4l2_subdev_core_ops const si4713_subdev_core_ops = {0, 0, 0, 0, 0, 0, 0, & si4713_queryctrl, & si4713_g_ctrl, & si4713_s_ctrl, & si4713_g_ext_ctrls, & si4713_s_ext_ctrls, 0, 0, 0, & si4713_ioctl, 0, 0, 0, 0, 0, 0}; [L5999] int LDV_IN_INTERRUPT ; [L4033] static char const *si4713_supply_names[2U] = { "vio", "vdd"}; [L4045-L4048] static unsigned long acomp_rtimes[10U] = { 0UL, 100000UL, 1UL, 200000UL, 2UL, 350000UL, 3UL, 525000UL, 4UL, 1000000UL}; [L5840-L5841] static struct v4l2_subdev_ops const si4713_subdev_ops = {& si4713_subdev_core_ops, & si4713_subdev_tuner_ops, 0, 0, 0, 0, 0, 0}; [L4049-L4050] static unsigned long preemphasis_values[6U] = { 2UL, 0UL, 1UL, 1UL, 0UL, 2UL}; [L4034-L4044] static long limiter_times[40U] = { 2000L, 250L, 1000L, 500L, 510L, 1000L, 255L, 2000L, 170L, 3000L, 127L, 4020L, 102L, 5010L, 85L, 6020L, 73L, 7010L, 64L, 7990L, 57L, 8970L, 51L, 10030L, 25L, 20470L, 17L, 30110L, 13L, 39380L, 10L, 51190L, 8L, 63690L, 7L, 73140L, 6L, 85330L, 5L, 102390L}; [L5837-L5839] static struct v4l2_subdev_tuner_ops const si4713_subdev_tuner_ops = {0, 0, & si4713_s_frequency, & si4713_g_frequency, 0, 0, & si4713_g_modulator, & si4713_s_modulator, 0, 0}; [L5971] static struct i2c_device_id const si4713_id[2U] = { {{'s', 'i', '4', '7', '1', '3', '\000'}, 0UL}}; [L5973-L5977] static struct i2c_driver si4713_i2c_driver = {0U, 0, 0, & si4713_probe, & si4713_remove, 0, 0, 0, 0, 0, {"si4713", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct i2c_device_id const *)(& si4713_id), 0, 0, {0, 0}}; [L6002] struct v4l2_subdev *var_group1 ; [L6003] struct v4l2_queryctrl *var_group2 ; [L6004] struct v4l2_ext_controls *var_group3 ; [L6005] struct v4l2_control *var_group4 ; [L6006] unsigned int var_si4713_ioctl_33_p1 ; [L6007] void *var_si4713_ioctl_33_p2 ; [L6008] struct v4l2_frequency *var_group5 ; [L6009] struct v4l2_modulator *var_group6 ; [L6010] struct i2c_client *var_group7 ; [L6011] struct i2c_device_id const *var_si4713_probe_38_p1 ; [L6012] int res_si4713_probe_38 ; [L6013] int res_si4713_remove_39 ; [L6014] int var_si4713_handler_0_p0 ; [L6015] void *var_si4713_handler_0_p1 ; [L6016] int ldv_s_si4713_i2c_driver_i2c_driver ; [L6017] int tmp ; [L6018] int tmp___0 ; [L6019] int tmp___1 ; VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6021] CALL, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; [L6021] RET, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct si4713_device))={-73786976294838210559:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6021] var_group1 = ldv_malloc(sizeof(struct si4713_device)) [L6022] CALL, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; [L6022] RET, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_queryctrl))={-36893488147419107327:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={-73786976294838210559:0}] [L6022] var_group2 = ldv_malloc(sizeof(struct v4l2_queryctrl)) [L6023] COND FALSE !(!var_group2) [L6025] var_group2->id = __VERIFIER_nondet_int() [L6026] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; [L6026] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_ext_controls))={-18446744073709555711:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}] [L6026] var_group3 = ldv_malloc(sizeof(struct v4l2_ext_controls)) [L6027] COND FALSE !(!var_group3) [L6029] var_group3->ctrl_class = __VERIFIER_nondet_int() [L6030] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; [L6030] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_ext_control))={-55340232221128658943:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}] [L6030] var_group3->controls = ldv_malloc(sizeof(struct v4l2_ext_control)) [L6031] CALL, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); [L6031] RET, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_modulator))={0:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}] [L6031] var_group6 = ldv_malloc(sizeof(struct v4l2_modulator)) [L6032] CALL, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); [L6032] RET, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct i2c_client))={0:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={0:0}] [L6032] var_group7 = ldv_malloc(sizeof(struct i2c_client)) [L6033] ldv_s_si4713_i2c_driver_i2c_driver = 0 [L6034] LDV_IN_INTERRUPT = 1 [L6035] FCALL ldv_initialize() [L6036] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={0:0}, var_group7={0:0}] [L6037] CALL, EXPR si4713_module_init() [L5980] int tmp ; [L5982] CALL, EXPR i2c_add_driver(& si4713_i2c_driver) [L3953] int tmp ; [L3955] CALL, EXPR i2c_register_driver(& __this_module, driver) [L6311] return __VERIFIER_nondet_int(); [L3955] RET, EXPR i2c_register_driver(& __this_module, driver) [L3955] tmp = i2c_register_driver(& __this_module, driver) [L3956] return (tmp); [L5982] RET, EXPR i2c_add_driver(& si4713_i2c_driver) [L5982] tmp = i2c_add_driver(& si4713_i2c_driver) [L5983] return (tmp); [L6037] RET, EXPR si4713_module_init() [L6037] tmp = si4713_module_init() [L6038] COND FALSE !(tmp != 0) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={0:0}, var_group7={0:0}] [L6123] tmp___1 = __VERIFIER_nondet_int() [L6124] COND TRUE tmp___1 != 0 || ldv_s_si4713_i2c_driver_i2c_driver != 0 [L6044] tmp___0 = __VERIFIER_nondet_int() [L6046] case 0: [L6050] case 1: [L6054] case 2: VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={0:0}, var_group7={0:0}] [L6055] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={-73786976294838210559:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={0:0}, var_group7={0:0}] [L6056] CALL si4713_s_ext_ctrls(var_group1, var_group3) [L5390] struct si4713_device *sdev ; [L5391] struct v4l2_subdev const *__mptr ; [L5392] int i ; [L5393] int err ; [L5395] __mptr = (struct v4l2_subdev const *)sd [L5396] sdev = (struct si4713_device *)__mptr [L5397] EXPR ctrls->ctrl_class VAL [__mod_i2c_device_table=0, __mptr={-73786976294838210559:0}, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, ctrls={-18446744073709555711:0}, ctrls={-18446744073709555711:0}, ctrls->ctrl_class=10158080, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, sd={-73786976294838210559:0}, sd={-73786976294838210559:0}, sdev={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5397] COND FALSE !(ctrls->ctrl_class != 10158080U) [L5401] i = 0 VAL [__mod_i2c_device_table=0, __mptr={-73786976294838210559:0}, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, ctrls={-18446744073709555711:0}, ctrls={-18446744073709555711:0}, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, sd={-73786976294838210559:0}, sd={-73786976294838210559:0}, sdev={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5424] EXPR ctrls->count VAL [__mod_i2c_device_table=0, __mptr={-73786976294838210559:0}, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, ctrls={-18446744073709555711:0}, ctrls={-18446744073709555711:0}, ctrls->count=4294967297, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, sd={-73786976294838210559:0}, sd={-73786976294838210559:0}, sdev={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5424] COND TRUE (__u32 )i < ctrls->count [L5404] EXPR ctrls->controls [L5404] (ctrls->controls + (unsigned long )i)->id [L5405] case 10160389U: [L5406] case 10160390U: [L5407] EXPR ctrls->controls [L5407] CALL si4713_write_econtrol_string(sdev, ctrls->controls + (unsigned long )i) [L4812] struct v4l2_queryctrl vqc ; [L4813] int len ; [L4814] s32 rval ; [L4815] char ps_name[97U] ; [L4816] unsigned long tmp ; [L4817] size_t tmp___0 ; [L4818] char radio_text[385U] ; [L4819] unsigned long tmp___1 ; [L4820] size_t tmp___2 ; [L4822] rval = 0 [L4823] EXPR control->id [L4823] vqc.id = control->id [L4824] CALL, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, qc={18446744073709547524:0}, sd={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5476] int rval ; [L5478] rval = 0 [L5479] qc->id [L5480] case 9963785U: [L5483] case 10160386U: [L5486] case 10160387U: [L5489] case 10160385U: [L5492] case 10160389U: VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, qc={18446744073709547524:0}, qc={18446744073709547524:0}, qc->id=10160389, rval=0, sd={-73786976294838210559:0}, sd={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5493] CALL, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [\old(arg1)=0, \old(arg2)=96, \old(arg3)=8, \old(arg4)=0, __mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, arg0={18446744073709547524:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6373] return __VERIFIER_nondet_int(); [L5493] RET, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, qc={18446744073709547524:0}, qc={18446744073709547524:0}, qc->id=10160389, rval=0, sd={-73786976294838210559:0}, sd={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, v4l2_ctrl_query_fill(qc, 0, 96, 8, 0)=0] [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) [L5545] return (rval); [L4824] RET, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, control={-55340232221128658943:0}, control={-55340232221128658943:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, ps_name={18446744073709547525:0}, radio_text={18446744073709547523:0}, rval=0, sdev={-73786976294838210559:0}, sdev={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_queryctrl(& sdev->sd, & vqc)=0, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, vqc={18446744073709547524:0}] [L4824] rval = si4713_queryctrl(& sdev->sd, & vqc) [L4825] COND FALSE !(rval < 0) [L4829] control->id [L4830] case 10160389U: [L4831] EXPR control->size [L4831] len = (int )(control->size - 1U) [L4832] COND FALSE !(len > 96) [L4837] EXPR control->ldv_23581.string VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, control={-55340232221128658943:0}, control={-55340232221128658943:0}, control->id=10160389, control->ldv_23581.string={18446744073709547544:18446744073709547557}, debug=0, LDV_IN_INTERRUPT=1, len=-2, limiter_times={64:0}, preemphasis_values={63:0}, ps_name={18446744073709547525:0}, radio_text={18446744073709547523:0}, rval=0, sdev={-73786976294838210559:0}, sdev={-73786976294838210559:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, vqc={18446744073709547524:0}] [L4837-L4838] CALL ldv_copy_from_user_7((void *)(& ps_name), (void const *)control->ldv_23581.string, (unsigned long )len) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6179] unsigned long tmp ; VAL [\old(n)=-2, __mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, from={18446744073709547544:18446744073709547557}, from={18446744073709547544:18446744073709547557}, LDV_IN_INTERRUPT=1, limiter_times={64:0}, n=-2, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, to={18446744073709547525:0}, to={18446744073709547525:0}] [L6181] CALL ldv_check_len((long )n) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6233] COND FALSE !(n >= 0L) [L6235] CALL ldv_error() [L6190] reach_error() VAL [__mod_i2c_device_table=0, __this_module={18446744073709547533:18446744073709547531}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 750 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 117.5s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 106.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 2280 SdHoareTripleChecker+Valid, 104.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1887 mSDsluCounter, 34780 SdHoareTripleChecker+Invalid, 99.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29172 mSDsCounter, 465 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13214 IncrementalHoareTripleChecker+Invalid, 13699 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 465 mSolverCounterUnsat, 5608 mSDtfsCounter, 13214 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=760occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1711 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 128/128 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-19 07:36:37,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ea7dbe-f618-4708-9847-3a93203c5de8/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE