./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/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_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:55:42,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:55:42,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:55:42,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:55:42,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:55:42,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:55:42,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:55:42,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:55:42,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:55:42,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:55:43,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:55:43,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:55:43,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:55:43,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:55:43,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:55:43,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:55:43,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:55:43,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:55:43,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:55:43,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:55:43,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:55:43,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:55:43,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:55:43,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:55:43,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:55:43,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:55:43,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:55:43,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:55:43,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:55:43,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:55:43,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:55:43,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:55:43,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:55:43,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:55:43,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:55:43,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:55:43,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:55:43,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:55:43,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:55:43,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:55:43,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:55:43,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 01:55:43,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:55:43,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:55:43,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:55:43,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:55:43,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:55:43,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:55:43,117 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:55:43,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:55:43,117 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:55:43,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:55:43,119 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:55:43,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:55:43,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:55:43,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:55:43,120 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:55:43,120 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:55:43,120 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:55:43,120 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:55:43,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:55:43,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:55:43,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:55:43,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:55:43,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:55:43,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:55:43,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:55:43,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:55:43,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:55:43,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:55:43,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:55:43,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:55:43,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:55:43,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:55:43,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:55:43,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:55:43,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:55:43,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:55:43,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:55:43,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:55:43,134 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2021-11-23 01:55:43,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:55:43,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:55:43,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:55:43,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:55:43,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:55:43,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-23 01:55:43,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/data/765e65886/89430dca3c374552a279cd33d86d23a7/FLAG3ee24fae1 [2021-11-23 01:55:44,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:55:44,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-23 01:55:44,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/data/765e65886/89430dca3c374552a279cd33d86d23a7/FLAG3ee24fae1 [2021-11-23 01:55:44,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/data/765e65886/89430dca3c374552a279cd33d86d23a7 [2021-11-23 01:55:44,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:55:44,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:55:44,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:55:44,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:55:44,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:55:44,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:44" (1/1) ... [2021-11-23 01:55:44,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae1bf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:44, skipping insertion in model container [2021-11-23 01:55:44,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:55:44" (1/1) ... [2021-11-23 01:55:44,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:55:45,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:55:46,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2021-11-23 01:55:46,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:55:46,321 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:55:46,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2021-11-23 01:55:46,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:55:46,861 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:55:46,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46 WrapperNode [2021-11-23 01:55:46,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:55:46,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:55:46,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:55:46,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:55:46,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:46,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,119 INFO L137 Inliner]: procedures = 146, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2797 [2021-11-23 01:55:47,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:55:47,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:55:47,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:55:47,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:55:47,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:55:47,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:55:47,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:55:47,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:55:47,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (1/1) ... [2021-11-23 01:55:47,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:55:47,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:55:47,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:55:47,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:55:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2021-11-23 01:55:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2021-11-23 01:55:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:55:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:55:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:55:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:55:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2021-11-23 01:55:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2021-11-23 01:55:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2021-11-23 01:55:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2021-11-23 01:55:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2021-11-23 01:55:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2021-11-23 01:55:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2021-11-23 01:55:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2021-11-23 01:55:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 01:55:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 01:55:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 01:55:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 01:55:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:55:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:55:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2021-11-23 01:55:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2021-11-23 01:55:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2021-11-23 01:55:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2021-11-23 01:55:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-11-23 01:55:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-11-23 01:55:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 01:55:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 01:55:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 01:55:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 01:55:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2021-11-23 01:55:47,463 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2021-11-23 01:55:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:55:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 01:55:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 01:55:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 01:55:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 01:55:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2021-11-23 01:55:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2021-11-23 01:55:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 01:55:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 01:55:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 01:55:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 01:55:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2021-11-23 01:55:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2021-11-23 01:55:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-11-23 01:55:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-11-23 01:55:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2021-11-23 01:55:47,467 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2021-11-23 01:55:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:55:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2021-11-23 01:55:47,469 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2021-11-23 01:55:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2021-11-23 01:55:47,470 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2021-11-23 01:55:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2021-11-23 01:55:47,470 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2021-11-23 01:55:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2021-11-23 01:55:47,471 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2021-11-23 01:55:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:55:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:55:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2021-11-23 01:55:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2021-11-23 01:55:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:55:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2021-11-23 01:55:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2021-11-23 01:55:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2021-11-23 01:55:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2021-11-23 01:55:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-11-23 01:55:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-11-23 01:55:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-23 01:55:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-23 01:55:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2021-11-23 01:55:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2021-11-23 01:55:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:55:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 01:55:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 01:55:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:55:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:55:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2021-11-23 01:55:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2021-11-23 01:55:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 01:55:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 01:55:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2021-11-23 01:55:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2021-11-23 01:55:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-11-23 01:55:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-11-23 01:55:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 01:55:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 01:55:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 01:55:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 01:55:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:55:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 01:55:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 01:55:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2021-11-23 01:55:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2021-11-23 01:55:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2021-11-23 01:55:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2021-11-23 01:55:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2021-11-23 01:55:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2021-11-23 01:55:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2021-11-23 01:55:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2021-11-23 01:55:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2021-11-23 01:55:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2021-11-23 01:55:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2021-11-23 01:55:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2021-11-23 01:55:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:55:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 01:55:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:55:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:55:48,098 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:55:48,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:55:52,106 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:55:53,184 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:55:53,185 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:55:53,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:53 BoogieIcfgContainer [2021-11-23 01:55:53,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:55:53,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:55:53,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:55:53,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:55:53,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:55:44" (1/3) ... [2021-11-23 01:55:53,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c049a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:53, skipping insertion in model container [2021-11-23 01:55:53,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:55:46" (2/3) ... [2021-11-23 01:55:53,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c049a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:53, skipping insertion in model container [2021-11-23 01:55:53,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:53" (3/3) ... [2021-11-23 01:55:53,208 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-23 01:55:53,213 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:55:53,214 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 01:55:53,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:55:53,298 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 01:55:53,299 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 01:55:53,355 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) [2021-11-23 01:55:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:55:53,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:55:53,385 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:55:53,385 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:55:53,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:55:53,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1054270916, now seen corresponding path program 1 times [2021-11-23 01:55:53,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:55:53,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941746317] [2021-11-23 01:55:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:55:53,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:55:54,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:55:54,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941746317] [2021-11-23 01:55:54,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941746317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:55:54,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:55:54,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 01:55:54,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362422461] [2021-11-23 01:55:54,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:55:54,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 01:55:54,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:55:54,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 01:55:54,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-23 01:55:54,357 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) [2021-11-23 01:55:57,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:06,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:07,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:08,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:09,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:11,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:11,281 INFO L93 Difference]: Finished difference Result 1637 states and 2434 transitions. [2021-11-23 01:56:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 01:56:11,285 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 [2021-11-23 01:56:11,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:11,311 INFO L225 Difference]: With dead ends: 1637 [2021-11-23 01:56:11,311 INFO L226 Difference]: Without dead ends: 894 [2021-11-23 01:56:11,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 01:56:11,331 INFO L933 BasicCegarLoop]: 1152 mSDtfsCounter, 169 mSDsluCounter, 6264 mSDsCounter, 0 mSdLazyCounter, 2303 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 6822 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2303 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:56:11,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 6822 Invalid, 2311 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 2303 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2021-11-23 01:56:11,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2021-11-23 01:56:11,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 749. [2021-11-23 01:56:11,451 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) [2021-11-23 01:56:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1092 transitions. [2021-11-23 01:56:11,464 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1092 transitions. Word has length 64 [2021-11-23 01:56:11,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:11,465 INFO L470 AbstractCegarLoop]: Abstraction has 749 states and 1092 transitions. [2021-11-23 01:56:11,466 INFO L471 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) [2021-11-23 01:56:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1092 transitions. [2021-11-23 01:56:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:56:11,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:11,474 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:56:11,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:56:11,475 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:56:11,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:11,476 INFO L85 PathProgramCache]: Analyzing trace with hash 309460847, now seen corresponding path program 1 times [2021-11-23 01:56:11,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:11,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635183032] [2021-11-23 01:56:11,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:11,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:56:11,979 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:11,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635183032] [2021-11-23 01:56:11,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635183032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:11,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:56:11,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 01:56:11,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598680961] [2021-11-23 01:56:11,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:12,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 01:56:12,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:12,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 01:56:12,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-23 01:56:12,047 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) [2021-11-23 01:56:16,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:26,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:30,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:32,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:34,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:35,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:36,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:38,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:40,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:41,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:56:41,263 INFO L93 Difference]: Finished difference Result 2057 states and 3091 transitions. [2021-11-23 01:56:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 01:56:41,266 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 [2021-11-23 01:56:41,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:56:41,280 INFO L225 Difference]: With dead ends: 2057 [2021-11-23 01:56:41,280 INFO L226 Difference]: Without dead ends: 1326 [2021-11-23 01:56:41,285 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:56:41,286 INFO L933 BasicCegarLoop]: 1649 mSDtfsCounter, 524 mSDsluCounter, 10112 mSDsCounter, 0 mSdLazyCounter, 3392 mSolverCounterSat, 91 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 10926 SdHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3392 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:56:41,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 10926 Invalid, 3488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [91 Valid, 3392 Invalid, 5 Unknown, 0 Unchecked, 28.9s Time] [2021-11-23 01:56:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2021-11-23 01:56:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 750. [2021-11-23 01:56:41,394 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) [2021-11-23 01:56:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1093 transitions. [2021-11-23 01:56:41,401 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1093 transitions. Word has length 65 [2021-11-23 01:56:41,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:56:41,402 INFO L470 AbstractCegarLoop]: Abstraction has 750 states and 1093 transitions. [2021-11-23 01:56:41,402 INFO L471 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) [2021-11-23 01:56:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1093 transitions. [2021-11-23 01:56:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:56:41,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:56:41,407 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:56:41,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:56:41,408 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:56:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:56:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1142292310, now seen corresponding path program 1 times [2021-11-23 01:56:41,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:56:41,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059768055] [2021-11-23 01:56:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:56:41,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:56:41,881 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:56:41,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059768055] [2021-11-23 01:56:41,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059768055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:56:41,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:56:41,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 01:56:41,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100862945] [2021-11-23 01:56:41,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:56:41,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 01:56:41,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:56:41,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 01:56:41,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-23 01:56:41,885 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) [2021-11-23 01:56:46,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:56,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:58,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:56:59,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:00,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:01,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:03,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:05,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:06,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:06,104 INFO L93 Difference]: Finished difference Result 1632 states and 2408 transitions. [2021-11-23 01:57:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 01:57:06,106 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 [2021-11-23 01:57:06,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:06,114 INFO L225 Difference]: With dead ends: 1632 [2021-11-23 01:57:06,114 INFO L226 Difference]: Without dead ends: 900 [2021-11-23 01:57:06,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-23 01:57:06,119 INFO L933 BasicCegarLoop]: 1122 mSDtfsCounter, 218 mSDsluCounter, 6806 mSDsCounter, 0 mSdLazyCounter, 2999 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 7277 SdHoareTripleChecker+Invalid, 3011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2999 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:06,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 7277 Invalid, 3011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2999 Invalid, 3 Unknown, 0 Unchecked, 23.9s Time] [2021-11-23 01:57:06,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2021-11-23 01:57:06,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 755. [2021-11-23 01:57:06,158 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) [2021-11-23 01:57:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1101 transitions. [2021-11-23 01:57:06,165 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1101 transitions. Word has length 65 [2021-11-23 01:57:06,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:06,166 INFO L470 AbstractCegarLoop]: Abstraction has 755 states and 1101 transitions. [2021-11-23 01:57:06,166 INFO L471 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) [2021-11-23 01:57:06,166 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1101 transitions. [2021-11-23 01:57:06,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:57:06,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:06,169 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:57:06,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:57:06,170 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:06,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash -316555883, now seen corresponding path program 1 times [2021-11-23 01:57:06,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:06,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581974762] [2021-11-23 01:57:06,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:06,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:57:06,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:06,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581974762] [2021-11-23 01:57:06,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581974762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:06,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:57:06,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 01:57:06,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713205135] [2021-11-23 01:57:06,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:06,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 01:57:06,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:06,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 01:57:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-23 01:57:06,656 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) [2021-11-23 01:57:10,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:23,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:25,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:26,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:28,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:29,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:31,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:33,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:34,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:35,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:37,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:39,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:40,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:43,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:43,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:43,213 INFO L93 Difference]: Finished difference Result 2069 states and 3112 transitions. [2021-11-23 01:57:43,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 01:57:43,215 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 [2021-11-23 01:57:43,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:43,227 INFO L225 Difference]: With dead ends: 2069 [2021-11-23 01:57:43,227 INFO L226 Difference]: Without dead ends: 1332 [2021-11-23 01:57:43,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-23 01:57:43,233 INFO L933 BasicCegarLoop]: 1601 mSDtfsCounter, 607 mSDsluCounter, 10978 mSDsCounter, 0 mSdLazyCounter, 4302 mSolverCounterSat, 91 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 11635 SdHoareTripleChecker+Invalid, 4398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 4302 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:43,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 11635 Invalid, 4398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 4302 Invalid, 5 Unknown, 0 Unchecked, 36.1s Time] [2021-11-23 01:57:43,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2021-11-23 01:57:43,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 750. [2021-11-23 01:57:43,277 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) [2021-11-23 01:57:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1093 transitions. [2021-11-23 01:57:43,284 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1093 transitions. Word has length 66 [2021-11-23 01:57:43,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:43,284 INFO L470 AbstractCegarLoop]: Abstraction has 750 states and 1093 transitions. [2021-11-23 01:57:43,285 INFO L471 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) [2021-11-23 01:57:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1093 transitions. [2021-11-23 01:57:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:57:43,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:43,288 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:57:43,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:57:43,288 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:43,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash -574343127, now seen corresponding path program 1 times [2021-11-23 01:57:43,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:43,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623285456] [2021-11-23 01:57:43,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:43,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:57:43,776 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:43,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623285456] [2021-11-23 01:57:43,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623285456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:43,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:57:43,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 01:57:43,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206991419] [2021-11-23 01:57:43,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:43,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 01:57:43,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:43,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 01:57:43,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-23 01:57:43,779 INFO L87 Difference]: Start difference. First operand 750 states and 1093 transitions. Second operand has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 9 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) [2021-11-23 01:57:47,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:56,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:58,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:57:59,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:00,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:02,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:04,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:06,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:09,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:11,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:13,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:13,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:13,720 INFO L93 Difference]: Finished difference Result 1632 states and 2408 transitions. [2021-11-23 01:58:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 01:58:13,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 9 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 [2021-11-23 01:58:13,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:13,730 INFO L225 Difference]: With dead ends: 1632 [2021-11-23 01:58:13,730 INFO L226 Difference]: Without dead ends: 900 [2021-11-23 01:58:13,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-23 01:58:13,735 INFO L933 BasicCegarLoop]: 1120 mSDtfsCounter, 221 mSDsluCounter, 5839 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 10 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 6398 SdHoareTripleChecker+Invalid, 2562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:13,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 6398 Invalid, 2562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2546 Invalid, 6 Unknown, 0 Unchecked, 29.6s Time] [2021-11-23 01:58:13,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2021-11-23 01:58:13,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 755. [2021-11-23 01:58:13,768 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) [2021-11-23 01:58:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1101 transitions. [2021-11-23 01:58:13,775 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1101 transitions. Word has length 66 [2021-11-23 01:58:13,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:13,775 INFO L470 AbstractCegarLoop]: Abstraction has 755 states and 1101 transitions. [2021-11-23 01:58:13,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 9 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) [2021-11-23 01:58:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1101 transitions. [2021-11-23 01:58:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:58:13,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:13,779 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:58:13,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 01:58:13,779 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:58:13,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:13,780 INFO L85 PathProgramCache]: Analyzing trace with hash 953914467, now seen corresponding path program 1 times [2021-11-23 01:58:13,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:13,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366727816] [2021-11-23 01:58:13,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:13,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:58:14,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:14,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366727816] [2021-11-23 01:58:14,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366727816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:14,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:14,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-23 01:58:14,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429598543] [2021-11-23 01:58:14,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:14,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 01:58:14,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:14,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 01:58:14,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-23 01:58:14,355 INFO L87 Difference]: Start difference. First operand 755 states and 1101 transitions. Second operand has 9 states, 7 states have (on average 5.571428571428571) internal successors, (39), 9 states have internal predecessors, (39), 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) [2021-11-23 01:58:18,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:26,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:28,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:29,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:31,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:33,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:34,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:34,173 INFO L93 Difference]: Finished difference Result 1642 states and 2425 transitions. [2021-11-23 01:58:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 01:58:34,175 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.571428571428571) internal successors, (39), 9 states have internal predecessors, (39), 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 67 [2021-11-23 01:58:34,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:34,183 INFO L225 Difference]: With dead ends: 1642 [2021-11-23 01:58:34,183 INFO L226 Difference]: Without dead ends: 905 [2021-11-23 01:58:34,187 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:34,188 INFO L933 BasicCegarLoop]: 1122 mSDtfsCounter, 217 mSDsluCounter, 5844 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 6405 SdHoareTripleChecker+Invalid, 2578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:34,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 6405 Invalid, 2578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2567 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2021-11-23 01:58:34,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2021-11-23 01:58:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 755. [2021-11-23 01:58:34,221 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) [2021-11-23 01:58:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1101 transitions. [2021-11-23 01:58:34,227 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1101 transitions. Word has length 67 [2021-11-23 01:58:34,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:34,228 INFO L470 AbstractCegarLoop]: Abstraction has 755 states and 1101 transitions. [2021-11-23 01:58:34,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.571428571428571) internal successors, (39), 9 states have internal predecessors, (39), 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) [2021-11-23 01:58:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1101 transitions. [2021-11-23 01:58:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:58:34,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:34,231 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:58:34,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 01:58:34,232 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:58:34,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:34,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1992646878, now seen corresponding path program 1 times [2021-11-23 01:58:34,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:34,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006943782] [2021-11-23 01:58:34,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:34,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:58:34,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:34,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006943782] [2021-11-23 01:58:34,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006943782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:34,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:34,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 01:58:34,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146495667] [2021-11-23 01:58:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:34,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 01:58:34,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:34,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 01:58:34,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-23 01:58:34,778 INFO L87 Difference]: Start difference. First operand 755 states and 1101 transitions. Second operand has 10 states, 8 states have (on average 4.875) internal successors, (39), 10 states have internal predecessors, (39), 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) [2021-11-23 01:58:39,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:51,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:52,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:54,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:56,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:57,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:59,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:01,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:03,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:05,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:06,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:09,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:09,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:09,515 INFO L93 Difference]: Finished difference Result 2074 states and 3123 transitions. [2021-11-23 01:59:09,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 01:59:09,517 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.875) internal successors, (39), 10 states have internal predecessors, (39), 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 67 [2021-11-23 01:59:09,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:09,527 INFO L225 Difference]: With dead ends: 2074 [2021-11-23 01:59:09,528 INFO L226 Difference]: Without dead ends: 1337 [2021-11-23 01:59:09,532 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:09,533 INFO L933 BasicCegarLoop]: 1570 mSDtfsCounter, 633 mSDsluCounter, 10819 mSDsCounter, 0 mSdLazyCounter, 4140 mSolverCounterSat, 94 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 11467 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 4140 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:09,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [784 Valid, 11467 Invalid, 4239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 4140 Invalid, 5 Unknown, 0 Unchecked, 34.3s Time] [2021-11-23 01:59:09,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2021-11-23 01:59:09,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 755. [2021-11-23 01:59:09,573 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) [2021-11-23 01:59:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1101 transitions. [2021-11-23 01:59:09,578 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1101 transitions. Word has length 67 [2021-11-23 01:59:09,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:09,578 INFO L470 AbstractCegarLoop]: Abstraction has 755 states and 1101 transitions. [2021-11-23 01:59:09,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.875) internal successors, (39), 10 states have internal predecessors, (39), 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) [2021-11-23 01:59:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1101 transitions. [2021-11-23 01:59:09,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:59:09,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:09,582 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:59:09,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 01:59:09,582 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:59:09,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:09,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1861301720, now seen corresponding path program 1 times [2021-11-23 01:59:09,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:09,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647194032] [2021-11-23 01:59:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:09,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:59:10,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:10,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647194032] [2021-11-23 01:59:10,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647194032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:10,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:10,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 01:59:10,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424345858] [2021-11-23 01:59:10,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:10,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 01:59:10,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:10,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 01:59:10,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-23 01:59:10,162 INFO L87 Difference]: Start difference. First operand 755 states and 1101 transitions. Second operand has 10 states, 8 states have (on average 5.0) internal successors, (40), 10 states have internal predecessors, (40), 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) [2021-11-23 01:59:14,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:29,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:31,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:32,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:33,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:35,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:36,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:39,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:41,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:42,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:44,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:45,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:47,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:50,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:50,538 INFO L93 Difference]: Finished difference Result 2069 states and 3112 transitions. [2021-11-23 01:59:50,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 01:59:50,540 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 10 states have internal predecessors, (40), 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 68 [2021-11-23 01:59:50,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:50,550 INFO L225 Difference]: With dead ends: 2069 [2021-11-23 01:59:50,550 INFO L226 Difference]: Without dead ends: 1332 [2021-11-23 01:59:50,554 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:50,555 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 594 mSDsluCounter, 11060 mSDsCounter, 0 mSdLazyCounter, 4263 mSolverCounterSat, 91 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 11719 SdHoareTripleChecker+Invalid, 4360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 4263 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:50,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [745 Valid, 11719 Invalid, 4360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 4263 Invalid, 6 Unknown, 0 Unchecked, 39.9s Time] [2021-11-23 01:59:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2021-11-23 01:59:50,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 750. [2021-11-23 01:59:50,597 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) [2021-11-23 01:59:50,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1093 transitions. [2021-11-23 01:59:50,603 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1093 transitions. Word has length 68 [2021-11-23 01:59:50,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:50,603 INFO L470 AbstractCegarLoop]: Abstraction has 750 states and 1093 transitions. [2021-11-23 01:59:50,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 10 states have internal predecessors, (40), 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) [2021-11-23 01:59:50,604 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1093 transitions. [2021-11-23 01:59:50,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:59:50,607 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:50,607 INFO L514 BasicCegarLoop]: 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] [2021-11-23 01:59:50,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 01:59:50,607 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:59:50,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:50,608 INFO L85 PathProgramCache]: Analyzing trace with hash -5359082, now seen corresponding path program 1 times [2021-11-23 01:59:50,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:50,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718897231] [2021-11-23 01:59:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:50,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:59:54,755 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:59:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:59:55,811 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 01:59:55,812 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 01:59:55,813 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 01:59:55,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 01:59:55,819 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:55,822 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 01:59:55,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:59:55 BoogieIcfgContainer [2021-11-23 01:59:55,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 01:59:55,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:59:55,959 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:59:55,959 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:59:55,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:53" (3/4) ... [2021-11-23 01:59:55,961 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:59:56,069 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 01:59:56,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:59:56,070 INFO L158 Benchmark]: Toolchain (without parser) took 251145.09ms. Allocated memory was 123.7MB in the beginning and 358.6MB in the end (delta: 234.9MB). Free memory was 95.5MB in the beginning and 78.4MB in the end (delta: 17.1MB). Peak memory consumption was 253.3MB. Max. memory is 16.1GB. [2021-11-23 01:59:56,070 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:59:56,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1936.39ms. Allocated memory is still 123.7MB. Free memory was 95.2MB in the beginning and 59.2MB in the end (delta: 36.0MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2021-11-23 01:59:56,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.60ms. Allocated memory is still 123.7MB. Free memory was 59.2MB in the beginning and 69.6MB in the end (delta: -10.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-23 01:59:56,071 INFO L158 Benchmark]: Boogie Preprocessor took 236.66ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 52.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:59:56,072 INFO L158 Benchmark]: RCFGBuilder took 5831.30ms. Allocated memory was 123.7MB in the beginning and 358.6MB in the end (delta: 234.9MB). Free memory was 52.9MB in the beginning and 169.1MB in the end (delta: -116.3MB). Peak memory consumption was 180.2MB. Max. memory is 16.1GB. [2021-11-23 01:59:56,072 INFO L158 Benchmark]: TraceAbstraction took 242765.68ms. Allocated memory is still 358.6MB. Free memory was 169.1MB in the beginning and 92.0MB in the end (delta: 77.2MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. [2021-11-23 01:59:56,073 INFO L158 Benchmark]: Witness Printer took 111.03ms. Allocated memory is still 358.6MB. Free memory was 92.0MB in the beginning and 78.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:59:56,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1936.39ms. Allocated memory is still 123.7MB. Free memory was 95.2MB in the beginning and 59.2MB in the end (delta: 36.0MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.60ms. Allocated memory is still 123.7MB. Free memory was 59.2MB in the beginning and 69.6MB in the end (delta: -10.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 236.66ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 52.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5831.30ms. Allocated memory was 123.7MB in the beginning and 358.6MB in the end (delta: 234.9MB). Free memory was 52.9MB in the beginning and 169.1MB in the end (delta: -116.3MB). Peak memory consumption was 180.2MB. Max. memory is 16.1GB. * TraceAbstraction took 242765.68ms. Allocated memory is still 358.6MB. Free memory was 169.1MB in the beginning and 92.0MB in the end (delta: 77.2MB). Peak memory consumption was 115.9MB. Max. memory is 16.1GB. * Witness Printer took 111.03ms. Allocated memory is still 358.6MB. Free memory was 92.0MB in the beginning and 78.4MB in the end (delta: 13.6MB). 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))={-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}] [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))={-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}, var_group2={-18446744073709555711:0}] [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 FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); [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))={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={-18446744073709555711:0}, var_group3={-36893488147419107327:0}] [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 FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); [L6031] RET, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_modulator))={0:0}, limiter_times={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={-18446744073709555711:0}, var_group3={-36893488147419107327:0}] [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={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, var_group6={0:0}] [L6032] var_group7 = ldv_malloc(sizeof(struct i2c_client)) [L6033] ldv_s_si4713_i2c_driver_i2c_driver = 0 [L6034] LDV_IN_INTERRUPT = 1 [L6035] FCALL ldv_initialize() [L6036] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={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={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, var_group6={0:0}, var_group7={0:0}] [L6037] CALL, EXPR si4713_module_init() [L5980] int tmp ; [L5982] CALL, EXPR i2c_add_driver(& si4713_i2c_driver) [L3953] int tmp ; [L3955] CALL, EXPR i2c_register_driver(& __this_module, driver) [L6311] return __VERIFIER_nondet_int(); [L3955] RET, EXPR i2c_register_driver(& __this_module, driver) [L3955] tmp = i2c_register_driver(& __this_module, driver) [L3956] return (tmp); [L5982] RET, EXPR i2c_add_driver(& si4713_i2c_driver) [L5982] tmp = i2c_add_driver(& si4713_i2c_driver) [L5983] return (tmp); [L6037] RET, EXPR si4713_module_init() [L6037] tmp = si4713_module_init() [L6038] COND FALSE !(tmp != 0) VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, 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={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, var_group6={0:0}, var_group7={0:0}] [L6123] tmp___1 = __VERIFIER_nondet_int() [L6124] COND TRUE tmp___1 != 0 || ldv_s_si4713_i2c_driver_i2c_driver != 0 [L6044] tmp___0 = __VERIFIER_nondet_int() [L6046] case 0: [L6050] case 1: [L6054] case 2: VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, 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={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, var_group6={0:0}, var_group7={0:0}] [L6055] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, 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={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, var_group6={0:0}, var_group7={0:0}] [L6056] CALL si4713_s_ext_ctrls(var_group1, var_group3) [L5390] struct si4713_device *sdev ; [L5391] struct v4l2_subdev const *__mptr ; [L5392] int i ; [L5393] int err ; [L5395] __mptr = (struct v4l2_subdev const *)sd [L5396] sdev = (struct si4713_device *)__mptr [L5397] EXPR ctrls->ctrl_class VAL [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, ctrls={-36893488147419107327:0}, ctrls={-36893488147419107327:0}, ctrls->ctrl_class=10158080, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, 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 [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, ctrls={-36893488147419107327:0}, ctrls={-36893488147419107327:0}, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, 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 [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, ctrls={-36893488147419107327:0}, ctrls={-36893488147419107327:0}, ctrls->count=4294967297, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, 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 [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, qc={36893488147419099142:0}, 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}] [L5476] int rval ; [L5478] rval = 0 [L5479] qc->id [L5480] case 9963785U: [L5483] case 10160386U: [L5486] case 10160387U: [L5489] case 10160385U: [L5492] case 10160389U: VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, qc={36893488147419099142:0}, qc={36893488147419099142:0}, qc->id=10160389, rval=0, sd={0:0}, 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 [\old(arg1)=0, \old(arg2)=96, \old(arg3)=8, \old(arg4)=0, __mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, arg0={36893488147419099142:0}, 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}] [L6373] return __VERIFIER_nondet_int(); [L5493] RET, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, qc={36893488147419099142:0}, qc={36893488147419099142:0}, qc->id=10160389, rval=0, sd={0:0}, 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)=0] [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) [L5545] return (rval); [L4824] RET, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, control={0:0}, control={0:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={36893488147419099140:0}, radio_text={36893488147419099141:0}, rval=0, sdev={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_queryctrl(& sdev->sd, & vqc)=0, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={36893488147419099142:0}] [L4824] rval = si4713_queryctrl(& sdev->sd, & vqc) [L4825] COND FALSE !(rval < 0) [L4829] control->id [L4830] case 10160389U: [L4831] EXPR control->size [L4831] len = (int )(control->size - 1U) [L4832] COND FALSE !(len > 96) [L4837] EXPR control->ldv_23581.string VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, control={0:0}, control={0:0}, control->id=10160389, control->ldv_23581.string={36893488147419099187:36893488147419099173}, debug=0, LDV_IN_INTERRUPT=1, len=-2, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={36893488147419099140:0}, radio_text={36893488147419099141:0}, rval=0, sdev={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}, vqc={36893488147419099142:0}] [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={36893488147419099150:36893488147419099148}, 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 [\old(n)=-2, __mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, acomp_rtimes={61:0}, debug=0, from={36893488147419099187:36893488147419099173}, from={36893488147419099187:36893488147419099173}, LDV_IN_INTERRUPT=1, limiter_times={60:0}, n=-2, 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={36893488147419099140:0}, to={36893488147419099140:0}] [L6181] CALL ldv_check_len((long )n) VAL [__mod_i2c_device_table=0, __this_module={36893488147419099150:36893488147419099148}, 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={36893488147419099150:36893488147419099148}, 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: 242.5s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 232.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 33 mSolverCounterUnknown, 3973 SdHoareTripleChecker+Valid, 228.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3183 mSDsluCounter, 72649 SdHoareTripleChecker+Invalid, 217.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67722 mSDsCounter, 402 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26512 IncrementalHoareTripleChecker+Invalid, 26947 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 402 mSolverCounterUnsat, 10948 mSDtfsCounter, 26512 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=755occurred in iteration=3, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2907 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 520 ConstructedInterpolants, 0 QuantifiedInterpolants, 1244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 256/256 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! [2021-11-23 01:59:56,306 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-23 01:59:56,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5276b7ce-942d-4391-a7d0-ec49ca9335e4/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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