./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/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_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:44:17,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:44:17,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:44:17,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:44:17,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:44:17,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:44:17,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:44:17,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:44:17,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:44:17,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:44:17,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:44:17,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:44:17,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:44:17,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:44:17,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:44:17,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:44:17,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:44:17,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:44:17,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:44:17,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:44:17,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:44:17,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:44:17,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:44:17,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:44:17,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:44:17,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:44:17,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:44:17,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:44:17,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:44:17,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:44:17,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:44:17,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:44:17,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:44:17,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:44:17,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:44:17,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:44:17,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:44:17,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:44:17,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:44:17,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:44:17,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:44:17,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:44:17,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:44:17,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:44:17,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:44:17,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:44:17,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:44:17,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:44:17,934 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:44:17,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:44:17,935 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:44:17,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:44:17,935 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:44:17,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:44:17,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:44:17,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:44:17,936 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:44:17,937 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:44:17,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:44:17,937 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:44:17,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:44:17,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:44:17,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:44:17,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:44:17,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:44:17,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:44:17,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:44:17,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:44:17,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:44:17,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:44:17,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:44:17,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:17,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:44:17,942 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:44:17,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:44:17,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:44:17,943 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:44:17,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:44:17,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:44:17,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:44:17,944 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_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-11-23 15:44:18,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:44:18,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:44:18,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:44:18,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:44:18,298 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:44:18,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-23 15:44:21,666 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:44:22,308 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:44:22,309 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-23 15:44:22,345 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/data/f14d5c8e7/c02d1d5527c74d2cb434be87ac6d2556/FLAG307122aa4 [2022-11-23 15:44:22,365 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/data/f14d5c8e7/c02d1d5527c74d2cb434be87ac6d2556 [2022-11-23 15:44:22,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:44:22,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:44:22,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:22,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:44:22,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:44:22,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:22" (1/1) ... [2022-11-23 15:44:22,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1c3298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:22, skipping insertion in model container [2022-11-23 15:44:22,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:22" (1/1) ... [2022-11-23 15:44:22,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:44:22,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:44:24,056 WARN L237 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_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-23 15:44:24,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:24,129 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:44:24,482 WARN L237 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_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-23 15:44:24,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:24,624 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:44:24,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24 WrapperNode [2022-11-23 15:44:24,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:24,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:24,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:44:24,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:44:24,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:24,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:24,922 INFO L138 Inliner]: procedures = 146, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2969 [2022-11-23 15:44:24,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:24,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:44:24,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:44:24,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:44:24,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:24,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:24,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:24,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:25,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:25,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:25,158 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:25,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:25,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:44:25,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:44:25,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:44:25,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:44:25,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (1/1) ... [2022-11-23 15:44:25,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:25,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:25,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:44:25,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:44:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-11-23 15:44:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-11-23 15:44:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:44:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:44:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:44:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:44:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-11-23 15:44:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-11-23 15:44:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-11-23 15:44:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-11-23 15:44:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-11-23 15:44:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-11-23 15:44:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-11-23 15:44:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-11-23 15:44:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:44:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:44:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-23 15:44:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-23 15:44:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:44:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:44:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-11-23 15:44:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-11-23 15:44:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-11-23 15:44:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-11-23 15:44:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-23 15:44:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-23 15:44:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:44:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:44:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:44:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:44:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-11-23 15:44:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-11-23 15:44:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:44:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 15:44:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 15:44:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:44:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:44:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-11-23 15:44:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-11-23 15:44:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-23 15:44:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-23 15:44:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:44:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:44:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-11-23 15:44:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-11-23 15:44:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-23 15:44:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-23 15:44:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-11-23 15:44:25,339 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-11-23 15:44:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:44:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-11-23 15:44:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-11-23 15:44:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-11-23 15:44:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-11-23 15:44:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-11-23 15:44:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-11-23 15:44:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-11-23 15:44:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-11-23 15:44:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:44:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:44:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-23 15:44:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-23 15:44:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:44:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-11-23 15:44:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-11-23 15:44:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-11-23 15:44:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-11-23 15:44:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-11-23 15:44:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-11-23 15:44:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-23 15:44:25,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-23 15:44:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-11-23 15:44:25,347 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-11-23 15:44:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:44:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:44:25,348 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:44:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:44:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:44:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-11-23 15:44:25,349 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-11-23 15:44:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:44:25,351 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:44:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-11-23 15:44:25,351 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-11-23 15:44:25,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-23 15:44:25,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-23 15:44:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:44:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:44:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 15:44:25,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 15:44:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:44:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-23 15:44:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-23 15:44:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-11-23 15:44:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-11-23 15:44:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-11-23 15:44:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-11-23 15:44:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-11-23 15:44:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-11-23 15:44:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-11-23 15:44:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-11-23 15:44:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-11-23 15:44:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-11-23 15:44:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-11-23 15:44:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-11-23 15:44:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:44:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-23 15:44:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:44:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:44:26,277 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:44:26,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:44:32,279 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:44:34,054 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:44:34,054 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:44:34,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:34 BoogieIcfgContainer [2022-11-23 15:44:34,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:44:34,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:44:34,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:44:34,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:44:34,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:44:22" (1/3) ... [2022-11-23 15:44:34,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4683f21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:34, skipping insertion in model container [2022-11-23 15:44:34,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:24" (2/3) ... [2022-11-23 15:44:34,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4683f21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:34, skipping insertion in model container [2022-11-23 15:44:34,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:34" (3/3) ... [2022-11-23 15:44:34,083 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-23 15:44:34,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:44:34,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:44:34,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:44:34,239 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;@35f279fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:44:34,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:44:34,250 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) [2022-11-23 15:44:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 15:44:34,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:34,296 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] [2022-11-23 15:44:34,296 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:34,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:34,305 INFO L85 PathProgramCache]: Analyzing trace with hash 2100831572, now seen corresponding path program 1 times [2022-11-23 15:44:34,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:34,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924357763] [2022-11-23 15:44:34,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-23 15:44:37,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:37,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924357763] [2022-11-23 15:44:37,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924357763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:44:37,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:44:37,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:44:37,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142267775] [2022-11-23 15:44:37,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:44:37,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:44:37,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:44:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:44:37,675 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) [2022-11-23 15:44:41,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:50,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:51,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:53,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:56,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:58,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:58,997 INFO L93 Difference]: Finished difference Result 1679 states and 2504 transitions. [2022-11-23 15:44:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:44:59,007 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 [2022-11-23 15:44:59,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:59,045 INFO L225 Difference]: With dead ends: 1679 [2022-11-23 15:44:59,045 INFO L226 Difference]: Without dead ends: 936 [2022-11-23 15:44:59,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:44:59,060 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 206 mSDsluCounter, 5771 mSDsCounter, 0 mSdLazyCounter, 2596 mSolverCounterSat, 13 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s 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, 20.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:59,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 6958 Invalid, 2613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2596 Invalid, 4 Unknown, 0 Unchecked, 20.9s Time] [2022-11-23 15:44:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-11-23 15:44:59,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 749. [2022-11-23 15:44:59,191 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) [2022-11-23 15:44:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1092 transitions. [2022-11-23 15:44:59,203 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1092 transitions. Word has length 64 [2022-11-23 15:44:59,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:59,204 INFO L495 AbstractCegarLoop]: Abstraction has 749 states and 1092 transitions. [2022-11-23 15:44:59,204 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) [2022-11-23 15:44:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1092 transitions. [2022-11-23 15:44:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:44:59,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:59,211 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] [2022-11-23 15:44:59,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:44:59,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:59,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash -852562039, now seen corresponding path program 1 times [2022-11-23 15:44:59,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:59,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664353091] [2022-11-23 15:44:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-23 15:45:01,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:01,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664353091] [2022-11-23 15:45:01,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664353091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:01,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:45:01,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:45:01,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187232994] [2022-11-23 15:45:01,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:01,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:45:01,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:01,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:45:01,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:45:01,097 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) [2022-11-23 15:45:05,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:17,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:19,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:21,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:22,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:24,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:25,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:27,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:29,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:45:29,172 INFO L93 Difference]: Finished difference Result 2141 states and 3230 transitions. [2022-11-23 15:45:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 15:45:29,175 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 [2022-11-23 15:45:29,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:45:29,189 INFO L225 Difference]: With dead ends: 2141 [2022-11-23 15:45:29,189 INFO L226 Difference]: Without dead ends: 1410 [2022-11-23 15:45:29,195 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 [2022-11-23 15:45:29,196 INFO L413 NwaCegarLoop]: 1692 mSDtfsCounter, 591 mSDsluCounter, 8143 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 112 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 9835 SdHoareTripleChecker+Invalid, 3364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:45:29,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 9835 Invalid, 3364 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [112 Valid, 3248 Invalid, 4 Unknown, 0 Unchecked, 27.5s Time] [2022-11-23 15:45:29,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2022-11-23 15:45:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 750. [2022-11-23 15:45:29,262 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) [2022-11-23 15:45:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1093 transitions. [2022-11-23 15:45:29,269 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1093 transitions. Word has length 65 [2022-11-23 15:45:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:45:29,270 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1093 transitions. [2022-11-23 15:45:29,270 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) [2022-11-23 15:45:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1093 transitions. [2022-11-23 15:45:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:45:29,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:45:29,274 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] [2022-11-23 15:45:29,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:45:29,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:45:29,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:45:29,275 INFO L85 PathProgramCache]: Analyzing trace with hash 454119312, now seen corresponding path program 1 times [2022-11-23 15:45:29,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:45:29,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870117288] [2022-11-23 15:45:29,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:29,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:45:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-23 15:45:31,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:31,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870117288] [2022-11-23 15:45:31,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870117288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:31,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:45:31,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:45:31,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35949747] [2022-11-23 15:45:31,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:31,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:45:31,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:31,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:45:31,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:45:31,024 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) [2022-11-23 15:45:35,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:45,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:48,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:50,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:52,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:53,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:45:55,373 INFO L93 Difference]: Finished difference Result 1674 states and 2478 transitions. [2022-11-23 15:45:55,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:45:55,375 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 [2022-11-23 15:45:55,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:45:55,383 INFO L225 Difference]: With dead ends: 1674 [2022-11-23 15:45:55,384 INFO L226 Difference]: Without dead ends: 942 [2022-11-23 15:45:55,389 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 [2022-11-23 15:45:55,390 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 337 mSDsluCounter, 5256 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 143 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 6385 SdHoareTripleChecker+Invalid, 2923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:45:55,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 6385 Invalid, 2923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [143 Valid, 2775 Invalid, 5 Unknown, 0 Unchecked, 23.9s Time] [2022-11-23 15:45:55,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-11-23 15:45:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 755. [2022-11-23 15:45:55,462 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) [2022-11-23 15:45:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1101 transitions. [2022-11-23 15:45:55,471 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1101 transitions. Word has length 65 [2022-11-23 15:45:55,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:45:55,472 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 1101 transitions. [2022-11-23 15:45:55,472 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) [2022-11-23 15:45:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1101 transitions. [2022-11-23 15:45:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:45:55,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:45:55,480 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] [2022-11-23 15:45:55,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:45:55,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:45:55,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:45:55,482 INFO L85 PathProgramCache]: Analyzing trace with hash -361034547, now seen corresponding path program 1 times [2022-11-23 15:45:55,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:45:55,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545577350] [2022-11-23 15:45:55,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:55,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:45:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-23 15:45:57,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:57,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545577350] [2022-11-23 15:45:57,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545577350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:57,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:45:57,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:45:57,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167354163] [2022-11-23 15:45:57,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:57,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:45:57,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:57,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:45:57,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:45:57,374 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) [2022-11-23 15:46:02,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:17,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:19,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:21,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:23,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:24,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:26,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:29,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:30,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:32,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:34,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:38,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:39,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:39,148 INFO L93 Difference]: Finished difference Result 2174 states and 3291 transitions. [2022-11-23 15:46:39,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:46:39,149 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 [2022-11-23 15:46:39,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:39,159 INFO L225 Difference]: With dead ends: 2174 [2022-11-23 15:46:39,159 INFO L226 Difference]: Without dead ends: 1437 [2022-11-23 15:46:39,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:46:39,164 INFO L413 NwaCegarLoop]: 1600 mSDtfsCounter, 753 mSDsluCounter, 10002 mSDsCounter, 0 mSdLazyCounter, 4597 mSolverCounterSat, 197 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 4597 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:39,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 11602 Invalid, 4801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [197 Valid, 4597 Invalid, 7 Unknown, 0 Unchecked, 41.2s Time] [2022-11-23 15:46:39,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2022-11-23 15:46:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 760. [2022-11-23 15:46:39,204 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) [2022-11-23 15:46:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1110 transitions. [2022-11-23 15:46:39,209 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1110 transitions. Word has length 66 [2022-11-23 15:46:39,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:46:39,210 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 1110 transitions. [2022-11-23 15:46:39,210 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) [2022-11-23 15:46:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1110 transitions. [2022-11-23 15:46:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 15:46:39,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:39,213 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] [2022-11-23 15:46:39,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:46:39,213 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:46:39,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:39,214 INFO L85 PathProgramCache]: Analyzing trace with hash 926317998, now seen corresponding path program 1 times [2022-11-23 15:46:39,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:46:39,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620622199] [2022-11-23 15:46:39,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:39,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:46:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:46:40,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:46:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:46:42,270 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:46:42,271 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:46:42,272 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:46:42,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:46:42,278 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 15:46:42,282 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:46:42,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:46:42 BoogieIcfgContainer [2022-11-23 15:46:42,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:46:42,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:46:42,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:46:42,417 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:46:42,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:34" (3/4) ... [2022-11-23 15:46:42,421 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 15:46:42,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:46:42,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:46:42,523 INFO L158 Benchmark]: Toolchain (without parser) took 140151.12ms. Allocated memory was 144.7MB in the beginning and 664.8MB in the end (delta: 520.1MB). Free memory was 113.7MB in the beginning and 304.8MB in the end (delta: -191.1MB). Peak memory consumption was 331.0MB. Max. memory is 16.1GB. [2022-11-23 15:46:42,523 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:46:42,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2249.09ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 113.4MB in the beginning and 135.5MB in the end (delta: -22.2MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2022-11-23 15:46:42,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 296.44ms. Allocated memory is still 186.6MB. Free memory was 135.5MB in the beginning and 118.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 15:46:42,524 INFO L158 Benchmark]: Boogie Preprocessor took 280.03ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 100.0MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 15:46:42,525 INFO L158 Benchmark]: RCFGBuilder took 8856.53ms. Allocated memory was 186.6MB in the beginning and 314.6MB in the end (delta: 127.9MB). Free memory was 100.0MB in the beginning and 180.6MB in the end (delta: -80.7MB). Peak memory consumption was 177.0MB. Max. memory is 16.1GB. [2022-11-23 15:46:42,526 INFO L158 Benchmark]: TraceAbstraction took 128351.40ms. Allocated memory was 314.6MB in the beginning and 664.8MB in the end (delta: 350.2MB). Free memory was 179.6MB in the beginning and 318.4MB in the end (delta: -138.9MB). Peak memory consumption was 356.1MB. Max. memory is 16.1GB. [2022-11-23 15:46:42,526 INFO L158 Benchmark]: Witness Printer took 105.36ms. Allocated memory is still 664.8MB. Free memory was 317.4MB in the beginning and 304.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:46:42,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2249.09ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 113.4MB in the beginning and 135.5MB in the end (delta: -22.2MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 296.44ms. Allocated memory is still 186.6MB. Free memory was 135.5MB in the beginning and 118.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 280.03ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 100.0MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8856.53ms. Allocated memory was 186.6MB in the beginning and 314.6MB in the end (delta: 127.9MB). Free memory was 100.0MB in the beginning and 180.6MB in the end (delta: -80.7MB). Peak memory consumption was 177.0MB. Max. memory is 16.1GB. * TraceAbstraction took 128351.40ms. Allocated memory was 314.6MB in the beginning and 664.8MB in the end (delta: 350.2MB). Free memory was 179.6MB in the beginning and 318.4MB in the end (delta: -138.9MB). Peak memory consumption was 356.1MB. Max. memory is 16.1GB. * Witness Printer took 105.36ms. Allocated memory is still 664.8MB. Free memory was 317.4MB in the beginning and 304.8MB 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: [L4032] static int debug ; [L4033] static char const *si4713_supply_names[2U] = { "vio", "vdd"}; [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}; [L4045-L4048] static unsigned long acomp_rtimes[10U] = { 0UL, 100000UL, 1UL, 200000UL, 2UL, 350000UL, 3UL, 525000UL, 4UL, 1000000UL}; [L4049-L4050] static unsigned long preemphasis_values[6U] = { 2UL, 0UL, 1UL, 1UL, 0UL, 2UL}; [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}; [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}; [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}; [L5971] static struct i2c_device_id const si4713_id[2U] = { {{'s', 'i', '4', '7', '1', '3', '\000'}, 0UL}}; [L5972] struct i2c_device_id const __mod_i2c_device_table ; [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}}; [L5999] int LDV_IN_INTERRUPT ; [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); [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))={0:0}, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, 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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, 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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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; [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))={-4095:0}, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, 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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={-4095:0}] [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={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={-4095:0}, 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={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp=0, var_group1={0:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={-4095:0}, 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={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={-4095:0}, var_group7={0:0}] [L6055] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={-36893488147419107327:0}, var_group3={-18446744073709555711:0}, var_group6={-4095:0}, 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 [#in~ctrls={-18446744073709555711:0}, #in~sd={0:0}, __mod_i2c_device_table=0, __mptr={0:0}, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, ctrls={-18446744073709555711:0}, ctrls->ctrl_class=10158080, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5397] COND FALSE !(ctrls->ctrl_class != 10158080U) [L5401] i = 0 VAL [#in~ctrls={-18446744073709555711:0}, #in~sd={0:0}, __mod_i2c_device_table=0, __mptr={0:0}, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, ctrls={-18446744073709555711:0}, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5424] EXPR ctrls->count VAL [#in~ctrls={-18446744073709555711:0}, #in~sd={0:0}, __mod_i2c_device_table=0, __mptr={0:0}, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, ctrls={-18446744073709555711:0}, ctrls->count=4294967297, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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 [#in~qc={70:0}, #in~sd={0:0}, __mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [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 [#in~qc={70:0}, #in~sd={0:0}, __mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, qc={70:0}, qc->id=10160389, rval=0, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5493] CALL, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [#in~arg0={70:0}, __mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, unknown-#in~arg1-unknown=0, unknown-#in~arg2-unknown=96, unknown-#in~arg3-unknown=8, unknown-#in~arg4-unknown=0] [L6373] return __VERIFIER_nondet_int(); [L5493] RET, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [#in~qc={70:0}, #in~sd={0:0}, __mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, qc={70:0}, qc->id=10160389, rval=0, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, v4l2_ctrl_query_fill(qc, 0, 96, 8, 0)=74] [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) [L5545] return (rval); [L4824] RET, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [#in~control={-55340232221128658943:0}, #in~sdev={0:0}, __mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, control={-55340232221128658943:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={71:0}, radio_text={69:0}, rval=0, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_queryctrl(& sdev->sd, & vqc)=74, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={70:0}] [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 [#in~control={-55340232221128658943:0}, #in~sdev={0:0}, __mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, control={-55340232221128658943:0}, control->id=10160389, control->ldv_23581.string={36893488147419099157:36893488147419099169}, debug=0, LDV_IN_INTERRUPT=1, len=-2, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={71:0}, radio_text={69:0}, rval=74, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={70:0}] [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={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6179] unsigned long tmp ; VAL [#in~from={36893488147419099157:36893488147419099169}, #in~to={71:0}, __mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, from={36893488147419099157:36893488147419099169}, LDV_IN_INTERRUPT=1, limiter_times={60:0}, n=18446744073709551614, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, to={71:0}, unknown-#in~n-unknown=-2] [L6181] CALL ldv_check_len((long )n) VAL [__mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6233] COND FALSE !(n >= 0L) [L6235] CALL ldv_error() [L6190] reach_error() VAL [__mod_i2c_device_table=0, __this_module={36893488147419099146:36893488147419099144}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 750 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 128.1s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 115.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 2280 SdHoareTripleChecker+Valid, 113.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1887 mSDsluCounter, 34780 SdHoareTripleChecker+Invalid, 109.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29172 mSDsCounter, 465 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13216 IncrementalHoareTripleChecker+Invalid, 13701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 465 mSolverCounterUnsat, 5608 mSDtfsCounter, 13216 mSolverCounterSat, 0.3s 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, 2.1s SatisfiabilityAnalysisTime, 7.8s 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! [2022-11-23 15:46:42,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de0ce564-0532-4c1b-ba1a-9a3c3c44a19f/bin/utaipan-Q6hlc19bkW/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