./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs --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 63b34c1edd865a95352f647a3349f4b76645de027a037e57173f602f98ecaa61 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:05:30,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:05:30,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:05:30,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:05:30,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:05:30,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:05:30,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:05:30,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:05:30,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:05:30,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:05:30,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:05:30,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:05:30,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:05:30,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:05:30,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:05:30,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:05:30,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:05:30,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:05:30,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:05:30,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:05:30,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:05:30,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:05:30,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:05:30,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:05:30,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:05:30,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:05:30,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:05:30,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:05:30,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:05:30,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:05:30,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:05:30,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:05:30,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:05:30,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:05:30,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:05:30,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:05:30,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:05:30,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:05:30,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:05:30,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:05:30,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:05:30,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:05:30,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:05:30,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:05:30,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:05:30,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:05:30,473 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:05:30,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:05:30,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:05:30,474 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:05:30,474 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:05:30,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:05:30,475 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:05:30,475 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:05:30,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:05:30,476 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:05:30,477 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:05:30,477 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:05:30,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:05:30,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:05:30,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:05:30,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:05:30,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:05:30,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:05:30,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:05:30,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:05:30,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:05:30,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:05:30,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:05:30,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:05:30,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:05:30,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:05:30,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:05:30,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:05:30,481 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:05:30,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:05:30,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:05:30,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:05:30,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:05:30,482 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_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b34c1edd865a95352f647a3349f4b76645de027a037e57173f602f98ecaa61 [2021-11-19 15:05:30,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:05:30,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:05:30,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:05:30,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:05:30,780 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:05:30,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-19 15:05:30,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/5b3e7798c/607c07c7b02740d983a1aaeaea220546/FLAG6b338a61e [2021-11-19 15:05:31,854 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:05:31,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-19 15:05:31,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/5b3e7798c/607c07c7b02740d983a1aaeaea220546/FLAG6b338a61e [2021-11-19 15:05:32,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/5b3e7798c/607c07c7b02740d983a1aaeaea220546 [2021-11-19 15:05:32,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:05:32,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:05:32,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:05:32,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:05:32,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:05:32,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d55660e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:32, skipping insertion in model container [2021-11-19 15:05:32,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:32" (1/1) ... [2021-11-19 15:05:32,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:05:32,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:05:33,530 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:33,788 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:33,826 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:33,845 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:33,899 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:33,905 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:33,914 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:33,932 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,016 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,040 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,047 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,055 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,061 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,067 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,077 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,094 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,101 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,107 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,120 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,166 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,172 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,183 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,197 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,203 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,210 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,217 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,218 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,224 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,226 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,237 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:05:34,770 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347241,347254] [2021-11-19 15:05:34,773 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347388,347401] [2021-11-19 15:05:34,774 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347527,347540] [2021-11-19 15:05:34,775 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347685,347698] [2021-11-19 15:05:34,796 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:05:34,927 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 15:05:34,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e13f4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:34, skipping insertion in model container [2021-11-19 15:05:34,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:05:34,928 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:05:34,930 INFO L158 Benchmark]: Toolchain (without parser) took 2709.95ms. Allocated memory was 119.5MB in the beginning and 184.5MB in the end (delta: 65.0MB). Free memory was 86.6MB in the beginning and 103.5MB in the end (delta: -16.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-11-19 15:05:34,932 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:05:34,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2704.96ms. Allocated memory was 119.5MB in the beginning and 184.5MB in the end (delta: 65.0MB). Free memory was 86.6MB in the beginning and 103.5MB in the end (delta: -16.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2021-11-19 15:05:34,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 32.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2704.96ms. Allocated memory was 119.5MB in the beginning and 184.5MB in the end (delta: 65.0MB). Free memory was 86.6MB in the beginning and 103.5MB in the end (delta: -16.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5287]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs --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 63b34c1edd865a95352f647a3349f4b76645de027a037e57173f602f98ecaa61 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:05:37,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:05:37,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:05:37,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:05:37,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:05:37,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:05:37,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:05:37,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:05:37,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:05:37,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:05:37,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:05:37,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:05:37,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:05:37,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:05:37,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:05:37,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:05:37,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:05:37,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:05:37,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:05:37,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:05:37,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:05:37,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:05:37,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:05:37,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:05:37,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:05:37,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:05:37,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:05:37,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:05:37,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:05:37,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:05:37,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:05:37,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:05:37,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:05:37,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:05:37,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:05:37,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:05:37,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:05:37,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:05:37,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:05:37,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:05:37,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:05:37,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:05:37,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:05:37,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:05:37,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:05:37,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:05:37,400 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:05:37,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:05:37,401 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:05:37,401 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:05:37,401 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:05:37,401 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:05:37,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:05:37,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:05:37,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:05:37,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:05:37,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:05:37,405 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:05:37,405 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:05:37,406 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:05:37,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:05:37,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:05:37,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:05:37,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:05:37,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:05:37,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:05:37,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:05:37,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:05:37,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:05:37,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:05:37,408 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:05:37,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:05:37,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:05:37,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:05:37,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:05:37,410 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b34c1edd865a95352f647a3349f4b76645de027a037e57173f602f98ecaa61 [2021-11-19 15:05:37,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:05:37,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:05:37,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:05:37,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:05:37,785 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:05:37,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-19 15:05:37,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/e922fa4cf/65e0c77f4c2a4336b6a5ffa335d6b10b/FLAG989054ba9 [2021-11-19 15:05:38,932 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:05:38,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-19 15:05:38,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/e922fa4cf/65e0c77f4c2a4336b6a5ffa335d6b10b/FLAG989054ba9 [2021-11-19 15:05:39,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/data/e922fa4cf/65e0c77f4c2a4336b6a5ffa335d6b10b [2021-11-19 15:05:39,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:05:39,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:05:39,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:05:39,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:05:39,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:05:39,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:39" (1/1) ... [2021-11-19 15:05:39,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cebbc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:39, skipping insertion in model container [2021-11-19 15:05:39,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:39" (1/1) ... [2021-11-19 15:05:39,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:05:39,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:05:42,073 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347241,347254] [2021-11-19 15:05:42,076 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347388,347401] [2021-11-19 15:05:42,077 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347527,347540] [2021-11-19 15:05:42,078 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347685,347698] [2021-11-19 15:05:42,093 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:05:42,223 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:05:42,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:05:42,849 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347241,347254] [2021-11-19 15:05:42,850 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347388,347401] [2021-11-19 15:05:42,850 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347527,347540] [2021-11-19 15:05:42,850 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347685,347698] [2021-11-19 15:05:42,853 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:05:42,910 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:05:43,398 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347241,347254] [2021-11-19 15:05:43,399 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347388,347401] [2021-11-19 15:05:43,399 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347527,347540] [2021-11-19 15:05:43,399 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_268b3f7c-6f31-420f-a9a1-498e8be33001/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347685,347698] [2021-11-19 15:05:43,402 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:05:43,906 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:05:43,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43 WrapperNode [2021-11-19 15:05:43,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:05:43,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:05:43,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:05:43,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:05:43,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,457 INFO L137 Inliner]: procedures = 270, calls = 5669, calls flagged for inlining = 124, calls inlined = 116, statements flattened = 8203 [2021-11-19 15:05:44,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:05:44,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:05:44,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:05:44,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:05:44,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:05:44,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:05:44,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:05:44,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:05:44,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (1/1) ... [2021-11-19 15:05:44,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:05:44,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:05:44,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:05:44,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:05:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure setbrightness [2021-11-19 15:05:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setbrightness [2021-11-19 15:05:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure ov519_set_fr [2021-11-19 15:05:45,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ov519_set_fr [2021-11-19 15:05:45,005 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_write_sb [2021-11-19 15:05:45,006 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_write_sb [2021-11-19 15:05:45,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:05:45,006 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 15:05:45,006 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 15:05:45,006 INFO L130 BoogieDeclarations]: Found specification of procedure sd_isoc_init [2021-11-19 15:05:45,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_isoc_init [2021-11-19 15:05:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:05:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:05:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 15:05:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 15:05:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 15:05:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 15:05:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 15:05:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-11-19 15:05:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-11-19 15:05:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 15:05:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 15:05:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_upload_quan_tables [2021-11-19 15:05:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_upload_quan_tables [2021-11-19 15:05:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure sd_start [2021-11-19 15:05:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_start [2021-11-19 15:05:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 15:05:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 15:05:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-11-19 15:05:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-11-19 15:05:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w_mask [2021-11-19 15:05:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w_mask [2021-11-19 15:05:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure ov518_i2c_w [2021-11-19 15:05:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ov518_i2c_w [2021-11-19 15:05:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:05:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-19 15:05:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-19 15:05:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure ov519_set_mode [2021-11-19 15:05:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ov519_set_mode [2021-11-19 15:05:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_handle_button [2021-11-19 15:05:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_handle_button [2021-11-19 15:05:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:05:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 15:05:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 15:05:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_stop [2021-11-19 15:05:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_stop [2021-11-19 15:05:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_stop [2021-11-19 15:05:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_stop [2021-11-19 15:05:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-19 15:05:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-19 15:05:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-19 15:05:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-19 15:05:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 15:05:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 15:05:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure sd_reset_snapshot [2021-11-19 15:05:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_reset_snapshot [2021-11-19 15:05:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:05:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 15:05:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:05:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:05:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure mode_init_ov_sensor_regs [2021-11-19 15:05:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mode_init_ov_sensor_regs [2021-11-19 15:05:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:05:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_read_ack [2021-11-19 15:05:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_read_ack [2021-11-19 15:05:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 15:05:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:05:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:05:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure write_regvals [2021-11-19 15:05:45,019 INFO L138 BoogieDeclarations]: Found implementation of procedure write_regvals [2021-11-19 15:05:45,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 15:05:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure ov518_reg_w32 [2021-11-19 15:05:45,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ov518_reg_w32 [2021-11-19 15:05:45,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 15:05:45,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 15:05:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-11-19 15:05:45,021 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-11-19 15:05:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure write_i2c_regvals [2021-11-19 15:05:45,021 INFO L138 BoogieDeclarations]: Found implementation of procedure write_i2c_regvals [2021-11-19 15:05:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_write_byte [2021-11-19 15:05:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_write_byte [2021-11-19 15:05:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure sd_g_volatile_ctrl [2021-11-19 15:05:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_g_volatile_ctrl [2021-11-19 15:05:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 15:05:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 15:05:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_grab [2021-11-19 15:05:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_grab [2021-11-19 15:05:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-11-19 15:05:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-11-19 15:05:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 15:05:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 15:05:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-19 15:05:45,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-19 15:05:45,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:05:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:05:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init [2021-11-19 15:05:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init [2021-11-19 15:05:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure init_ov_sensor [2021-11-19 15:05:45,025 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ov_sensor [2021-11-19 15:05:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_write_fsb [2021-11-19 15:05:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_write_fsb [2021-11-19 15:05:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_6_2 [2021-11-19 15:05:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_6_2 [2021-11-19 15:05:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-11-19 15:05:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-11-19 15:05:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 15:05:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-11-19 15:05:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-11-19 15:05:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 15:05:45,031 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_start [2021-11-19 15:05:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_start [2021-11-19 15:05:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 15:05:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 15:05:45,039 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2021-11-19 15:05:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2021-11-19 15:05:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_set_crop_window [2021-11-19 15:05:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_set_crop_window [2021-11-19 15:05:45,040 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_led_control [2021-11-19 15:05:45,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_led_control [2021-11-19 15:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-19 15:05:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-19 15:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 15:05:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 15:05:45,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 15:05:45,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 15:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w_mask [2021-11-19 15:05:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w_mask [2021-11-19 15:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 15:05:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 15:05:45,042 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 15:05:45,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 15:05:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:05:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 15:05:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 15:05:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 15:05:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-19 15:05:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-19 15:05:45,043 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stopN [2021-11-19 15:05:45,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stopN [2021-11-19 15:05:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure sd_s_ctrl [2021-11-19 15:05:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_s_ctrl [2021-11-19 15:05:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-11-19 15:05:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-11-19 15:05:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 15:05:45,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 15:05:45,044 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stop0 [2021-11-19 15:05:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stop0 [2021-11-19 15:05:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_restart [2021-11-19 15:05:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_restart [2021-11-19 15:05:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w [2021-11-19 15:05:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w [2021-11-19 15:05:45,045 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_r [2021-11-19 15:05:45,045 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_r [2021-11-19 15:05:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r8 [2021-11-19 15:05:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r8 [2021-11-19 15:05:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init_controls [2021-11-19 15:05:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init_controls [2021-11-19 15:05:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 15:05:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_auto_cluster [2021-11-19 15:05:45,046 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_auto_cluster [2021-11-19 15:05:45,046 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r [2021-11-19 15:05:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r [2021-11-19 15:05:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 15:05:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 15:05:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_read_sb [2021-11-19 15:05:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_read_sb [2021-11-19 15:05:45,047 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w [2021-11-19 15:05:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w [2021-11-19 15:05:45,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:05:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:05:45,905 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:05:45,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:05:55,568 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:11:51,960 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 15:11:52,859 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:11:52,881 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:11:52,881 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 15:11:52,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:52 BoogieIcfgContainer [2021-11-19 15:11:52,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:11:52,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:11:52,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:11:52,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:11:52,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:05:39" (1/3) ... [2021-11-19 15:11:52,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1672be8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:11:52, skipping insertion in model container [2021-11-19 15:11:52,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:43" (2/3) ... [2021-11-19 15:11:52,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1672be8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:11:52, skipping insertion in model container [2021-11-19 15:11:52,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:52" (3/3) ... [2021-11-19 15:11:52,895 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-19 15:11:52,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:11:52,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 15:11:52,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:11:52,971 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 [2021-11-19 15:11:52,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 15:11:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 2126 states, 1437 states have (on average 1.443284620737648) internal successors, (2074), 1541 states have internal predecessors, (2074), 617 states have call successors, (617), 71 states have call predecessors, (617), 70 states have return successors, (610), 541 states have call predecessors, (610), 610 states have call successors, (610) [2021-11-19 15:11:53,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-19 15:11:53,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:11:53,059 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:11:53,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:11:53,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:11:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash -2099723962, now seen corresponding path program 1 times [2021-11-19 15:11:53,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:11:53,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873363913] [2021-11-19 15:11:53,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:11:53,097 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:11:53,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:11:53,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:11:53,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:12:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:12:03,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 4856 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:12:03,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:12:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-19 15:12:05,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:12:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-19 15:12:07,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:12:07,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873363913] [2021-11-19 15:12:07,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873363913] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:12:07,472 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:12:07,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:12:07,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325131317] [2021-11-19 15:12:07,474 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:12:07,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:12:07,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:12:07,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:12:07,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:12:07,536 INFO L87 Difference]: Start difference. First operand has 2126 states, 1437 states have (on average 1.443284620737648) internal successors, (2074), 1541 states have internal predecessors, (2074), 617 states have call successors, (617), 71 states have call predecessors, (617), 70 states have return successors, (610), 541 states have call predecessors, (610), 610 states have call successors, (610) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-19 15:12:10,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:13:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:13:06,370 INFO L93 Difference]: Finished difference Result 8268 states and 12895 transitions. [2021-11-19 15:13:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:13:06,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 128 [2021-11-19 15:13:06,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:13:06,513 INFO L225 Difference]: With dead ends: 8268 [2021-11-19 15:13:06,513 INFO L226 Difference]: Without dead ends: 6144 [2021-11-19 15:13:06,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:13:06,647 INFO L933 BasicCegarLoop]: 4467 mSDtfsCounter, 8382 mSDsluCounter, 5177 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 1196 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8382 SdHoareTripleChecker+Valid, 9644 SdHoareTripleChecker+Invalid, 2462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1196 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:13:06,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8382 Valid, 9644 Invalid, 2462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1196 Valid, 1265 Invalid, 1 Unknown, 0 Unchecked, 58.1s Time] [2021-11-19 15:13:06,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6144 states. [2021-11-19 15:13:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6144 to 6136. [2021-11-19 15:13:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6136 states, 4161 states have (on average 1.4494111992309542) internal successors, (6031), 4470 states have internal predecessors, (6031), 1768 states have call successors, (1768), 206 states have call predecessors, (1768), 205 states have return successors, (1765), 1558 states have call predecessors, (1765), 1765 states have call successors, (1765) [2021-11-19 15:13:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6136 states to 6136 states and 9564 transitions. [2021-11-19 15:13:07,477 INFO L78 Accepts]: Start accepts. Automaton has 6136 states and 9564 transitions. Word has length 128 [2021-11-19 15:13:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:13:07,480 INFO L470 AbstractCegarLoop]: Abstraction has 6136 states and 9564 transitions. [2021-11-19 15:13:07,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2021-11-19 15:13:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 6136 states and 9564 transitions. [2021-11-19 15:13:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-19 15:13:07,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:13:07,528 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:13:07,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:13:07,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:13:07,742 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:13:07,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:13:07,743 INFO L85 PathProgramCache]: Analyzing trace with hash 226431949, now seen corresponding path program 1 times [2021-11-19 15:13:07,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:13:07,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86721517] [2021-11-19 15:13:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:13:07,756 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:13:07,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:13:07,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:13:07,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:13:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:13:18,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 5045 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:13:18,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:13:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-11-19 15:13:23,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:13:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-11-19 15:13:25,885 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:13:25,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86721517] [2021-11-19 15:13:25,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86721517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:13:25,885 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:13:25,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:13:25,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983079268] [2021-11-19 15:13:25,886 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:13:25,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:13:25,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:13:25,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:13:25,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:13:25,890 INFO L87 Difference]: Start difference. First operand 6136 states and 9564 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 15:13:28,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:14:23,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:14:23,706 INFO L93 Difference]: Finished difference Result 23752 states and 37184 transitions. [2021-11-19 15:14:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:14:23,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 194 [2021-11-19 15:14:23,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:14:23,934 INFO L225 Difference]: With dead ends: 23752 [2021-11-19 15:14:23,934 INFO L226 Difference]: Without dead ends: 17639 [2021-11-19 15:14:24,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:14:24,054 INFO L933 BasicCegarLoop]: 4465 mSDtfsCounter, 6248 mSDsluCounter, 7905 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6248 SdHoareTripleChecker+Valid, 12370 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.0s IncrementalHoareTripleChecker+Time [2021-11-19 15:14:24,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6248 Valid, 12370 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1291 Invalid, 1 Unknown, 0 Unchecked, 57.0s Time] [2021-11-19 15:14:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17639 states. [2021-11-19 15:14:25,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17639 to 17613. [2021-11-19 15:14:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17613 states, 11934 states have (on average 1.4592760180995474) internal successors, (17415), 12873 states have internal predecessors, (17415), 5090 states have call successors, (5090), 588 states have call predecessors, (5090), 587 states have return successors, (5087), 4448 states have call predecessors, (5087), 5087 states have call successors, (5087) [2021-11-19 15:14:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17613 states to 17613 states and 27592 transitions. [2021-11-19 15:14:25,744 INFO L78 Accepts]: Start accepts. Automaton has 17613 states and 27592 transitions. Word has length 194 [2021-11-19 15:14:25,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:14:25,745 INFO L470 AbstractCegarLoop]: Abstraction has 17613 states and 27592 transitions. [2021-11-19 15:14:25,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 15:14:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 17613 states and 27592 transitions. [2021-11-19 15:14:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-19 15:14:25,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:14:25,801 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:14:25,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:14:26,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:14:26,024 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:14:26,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:14:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash -802016371, now seen corresponding path program 1 times [2021-11-19 15:14:26,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:14:26,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114672330] [2021-11-19 15:14:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:14:26,029 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:14:26,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:14:26,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:14:26,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:14:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:14:36,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 4984 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:14:36,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:14:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-11-19 15:14:51,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:14:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-11-19 15:14:58,231 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:14:58,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114672330] [2021-11-19 15:14:58,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114672330] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:14:58,232 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:14:58,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 15:14:58,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032752224] [2021-11-19 15:14:58,233 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:14:58,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:14:58,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:14:58,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:14:58,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:14:58,236 INFO L87 Difference]: Start difference. First operand 17613 states and 27592 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 15:14:59,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:14:59,769 INFO L93 Difference]: Finished difference Result 17613 states and 27592 transitions. [2021-11-19 15:14:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:14:59,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 187 [2021-11-19 15:14:59,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:14:59,985 INFO L225 Difference]: With dead ends: 17613 [2021-11-19 15:14:59,985 INFO L226 Difference]: Without dead ends: 17558 [2021-11-19 15:15:00,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:15:00,025 INFO L933 BasicCegarLoop]: 3269 mSDtfsCounter, 3180 mSDsluCounter, 6538 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 9807 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:15:00,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3180 Valid, 9807 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 15:15:00,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17558 states. [2021-11-19 15:15:01,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17558 to 17531. [2021-11-19 15:15:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17531 states, 11877 states have (on average 1.458954281384188) internal successors, (17328), 12807 states have internal predecessors, (17328), 5069 states have call successors, (5069), 584 states have call predecessors, (5069), 584 states have return successors, (5069), 4436 states have call predecessors, (5069), 5069 states have call successors, (5069) [2021-11-19 15:15:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17531 states to 17531 states and 27466 transitions. [2021-11-19 15:15:01,746 INFO L78 Accepts]: Start accepts. Automaton has 17531 states and 27466 transitions. Word has length 187 [2021-11-19 15:15:01,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:15:01,748 INFO L470 AbstractCegarLoop]: Abstraction has 17531 states and 27466 transitions. [2021-11-19 15:15:01,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 15:15:01,748 INFO L276 IsEmpty]: Start isEmpty. Operand 17531 states and 27466 transitions. [2021-11-19 15:15:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-19 15:15:01,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:15:01,809 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:15:01,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:15:02,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:15:02,024 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:15:02,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:15:02,025 INFO L85 PathProgramCache]: Analyzing trace with hash -796580205, now seen corresponding path program 1 times [2021-11-19 15:15:02,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:15:02,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541815081] [2021-11-19 15:15:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:15:02,032 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:15:02,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:15:02,032 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:15:02,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:15:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:15:12,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 5081 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:15:12,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:15:17,827 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-19 15:15:17,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:15:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-11-19 15:15:20,651 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:15:20,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541815081] [2021-11-19 15:15:20,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541815081] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:15:20,651 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:15:20,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:15:20,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333403268] [2021-11-19 15:15:20,651 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:15:20,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:15:20,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:15:20,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:15:20,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:15:20,653 INFO L87 Difference]: Start difference. First operand 17531 states and 27466 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 15:15:23,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:16:15,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:16:15,571 INFO L93 Difference]: Finished difference Result 54558 states and 85437 transitions. [2021-11-19 15:16:15,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:16:15,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 216 [2021-11-19 15:16:15,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:16:15,950 INFO L225 Difference]: With dead ends: 54558 [2021-11-19 15:16:15,950 INFO L226 Difference]: Without dead ends: 37050 [2021-11-19 15:16:16,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:16:16,156 INFO L933 BasicCegarLoop]: 4590 mSDtfsCounter, 6402 mSDsluCounter, 8158 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6402 SdHoareTripleChecker+Valid, 12748 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.4s IncrementalHoareTripleChecker+Time [2021-11-19 15:16:16,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6402 Valid, 12748 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1218 Invalid, 1 Unknown, 0 Unchecked, 53.4s Time] [2021-11-19 15:16:16,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37050 states. [2021-11-19 15:16:19,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37050 to 37040. [2021-11-19 15:16:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37040 states, 25093 states have (on average 1.4577770693021959) internal successors, (36580), 27045 states have internal predecessors, (36580), 10694 states have call successors, (10694), 1252 states have call predecessors, (10694), 1252 states have return successors, (10694), 9369 states have call predecessors, (10694), 10694 states have call successors, (10694) [2021-11-19 15:16:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37040 states to 37040 states and 57968 transitions. [2021-11-19 15:16:20,042 INFO L78 Accepts]: Start accepts. Automaton has 37040 states and 57968 transitions. Word has length 216 [2021-11-19 15:16:20,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:16:20,043 INFO L470 AbstractCegarLoop]: Abstraction has 37040 states and 57968 transitions. [2021-11-19 15:16:20,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 15:16:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 37040 states and 57968 transitions. [2021-11-19 15:16:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-19 15:16:20,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:16:20,490 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 11, 11, 11, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:16:20,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:16:20,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:16:20,705 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:16:20,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:16:20,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1500052799, now seen corresponding path program 1 times [2021-11-19 15:16:20,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:16:20,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [900801983] [2021-11-19 15:16:20,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:16:20,713 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:16:20,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:16:20,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:16:20,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:16:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:16:33,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 5226 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:16:33,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:17:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2021-11-19 15:17:00,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:17:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2021-11-19 15:17:10,582 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:17:10,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [900801983] [2021-11-19 15:17:10,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [900801983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:17:10,583 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:17:10,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-19 15:17:10,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593015099] [2021-11-19 15:17:10,583 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:17:10,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:17:10,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:17:10,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:17:10,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:17:10,586 INFO L87 Difference]: Start difference. First operand 37040 states and 57968 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 15:17:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:17:16,387 INFO L93 Difference]: Finished difference Result 41687 states and 65081 transitions. [2021-11-19 15:17:16,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:17:16,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 283 [2021-11-19 15:17:16,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:17:16,394 INFO L225 Difference]: With dead ends: 41687 [2021-11-19 15:17:16,398 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 15:17:16,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:17:16,607 INFO L933 BasicCegarLoop]: 3675 mSDtfsCounter, 3909 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3909 SdHoareTripleChecker+Valid, 6987 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:17:16,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3909 Valid, 6987 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-19 15:17:16,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 15:17:16,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 15:17:16,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 15:17:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 15:17:16,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 283 [2021-11-19 15:17:16,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:17:16,620 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 15:17:16,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 15:17:16,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 15:17:16,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 15:17:16,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-19 15:17:16,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-19 15:17:16,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:17:16,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268b3f7c-6f31-420f-a9a1-498e8be33001/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:17:16,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.