./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:44:12,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:44:12,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:44:12,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:44:12,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:44:12,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:44:12,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:44:12,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:44:12,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:44:12,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:44:12,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:44:12,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:44:12,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:44:12,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:44:12,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:44:12,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:44:12,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:44:12,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:44:12,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:44:12,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:44:12,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:44:12,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:44:12,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:44:12,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:44:12,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:44:12,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:44:12,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:44:12,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:44:12,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:44:12,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:44:12,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:44:12,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:44:12,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:44:12,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:44:12,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:44:12,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:44:12,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:44:12,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:44:12,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:44:12,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:44:12,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:44:12,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:44:12,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:44:12,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:44:12,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:44:12,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:44:12,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:44:12,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:44:12,504 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:44:12,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:44:12,505 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:44:12,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:44:12,506 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:44:12,506 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:44:12,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:44:12,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:44:12,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:44:12,507 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:44:12,508 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:44:12,508 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:44:12,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:44:12,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:44:12,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:44:12,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:44:12,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:44:12,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:44:12,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:44:12,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:44:12,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:44:12,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:44:12,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:44:12,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:44:12,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:44:12,512 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:44:12,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:44:12,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:44:12,513 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:44:12,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:44:12,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:44:12,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:44:12,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2022-11-19 06:44:12,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:44:12,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:44:12,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:44:12,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:44:12,827 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:44:12,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-19 06:44:12,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/de467a794/b50c5ba82ed24c24a3134e4cadcc58dd/FLAG496466e1f [2022-11-19 06:44:13,800 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:44:13,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-19 06:44:13,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/de467a794/b50c5ba82ed24c24a3134e4cadcc58dd/FLAG496466e1f [2022-11-19 06:44:13,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/de467a794/b50c5ba82ed24c24a3134e4cadcc58dd [2022-11-19 06:44:13,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:44:13,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:44:13,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:44:13,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:44:13,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:44:13,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:44:13" (1/1) ... [2022-11-19 06:44:13,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8247cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:13, skipping insertion in model container [2022-11-19 06:44:13,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:44:13" (1/1) ... [2022-11-19 06:44:13,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:44:14,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:44:16,363 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-19 06:44:16,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:44:16,560 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:44:17,175 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-19 06:44:17,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:44:17,344 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:44:17,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17 WrapperNode [2022-11-19 06:44:17,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:44:17,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:44:17,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:44:17,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:44:17,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:17,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,053 INFO L138 Inliner]: procedures = 170, calls = 6963, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 17686 [2022-11-19 06:44:18,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:44:18,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:44:18,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:44:18,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:44:18,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:44:18,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:44:18,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:44:18,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:44:18,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (1/1) ... [2022-11-19 06:44:18,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:44:18,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:44:18,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:44:18,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:44:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-19 06:44:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-19 06:44:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-19 06:44:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-19 06:44:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:44:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 06:44:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 06:44:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-19 06:44:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-19 06:44:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-19 06:44:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-19 06:44:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:44:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:44:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-19 06:44:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-19 06:44:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:44:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-19 06:44:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-19 06:44:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-19 06:44:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-19 06:44:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-19 06:44:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-19 06:44:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-19 06:44:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-19 06:44:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:44:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:44:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-19 06:44:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-19 06:44:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-19 06:44:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-19 06:44:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:44:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 06:44:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 06:44:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-19 06:44:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-19 06:44:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:44:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:44:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-19 06:44:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-19 06:44:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-19 06:44:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-19 06:44:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-19 06:44:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-19 06:44:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-19 06:44:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-19 06:44:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:44:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:44:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 06:44:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 06:44:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-19 06:44:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-19 06:44:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-19 06:44:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-19 06:44:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 06:44:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 06:44:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:44:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:44:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-19 06:44:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-19 06:44:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:44:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:44:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:44:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-19 06:44:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-19 06:44:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-19 06:44:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-19 06:44:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-19 06:44:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-19 06:44:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-19 06:44:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-19 06:44:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:44:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:44:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:44:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-19 06:44:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-19 06:44:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-19 06:44:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-19 06:44:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-19 06:44:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-19 06:44:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-19 06:44:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-19 06:44:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-19 06:44:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-19 06:44:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:44:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:44:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-19 06:44:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-19 06:44:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-19 06:44:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-19 06:44:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-19 06:44:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-19 06:44:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-19 06:44:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-19 06:44:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 06:44:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 06:44:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-19 06:44:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-19 06:44:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-19 06:44:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-19 06:44:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:44:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-19 06:44:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-19 06:44:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-19 06:44:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-19 06:44:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:44:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-19 06:44:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-19 06:44:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:44:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:44:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-19 06:44:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-19 06:44:20,294 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:44:20,298 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:44:35,699 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:44:50,405 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:44:50,406 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:44:50,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:50 BoogieIcfgContainer [2022-11-19 06:44:50,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:44:50,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:44:50,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:44:50,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:44:50,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:44:13" (1/3) ... [2022-11-19 06:44:50,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566e09b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:44:50, skipping insertion in model container [2022-11-19 06:44:50,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:44:17" (2/3) ... [2022-11-19 06:44:50,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566e09b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:44:50, skipping insertion in model container [2022-11-19 06:44:50,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:50" (3/3) ... [2022-11-19 06:44:50,444 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-19 06:44:50,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:44:50,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:44:50,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:44:50,645 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73d39616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:44:50,646 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:44:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 4209 states, 2866 states have (on average 1.4410327983251918) internal successors, (4130), 2878 states have internal predecessors, (4130), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) [2022-11-19 06:44:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 06:44:50,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:50,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 06:44:50,672 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:50,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:50,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2043885604, now seen corresponding path program 1 times [2022-11-19 06:44:50,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:50,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352192596] [2022-11-19 06:44:50,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:50,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:44:51,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:51,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352192596] [2022-11-19 06:44:51,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352192596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:51,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:51,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:51,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410283540] [2022-11-19 06:44:51,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:51,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:51,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:51,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:51,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:51,992 INFO L87 Difference]: Start difference. First operand has 4209 states, 2866 states have (on average 1.4410327983251918) internal successors, (4130), 2878 states have internal predecessors, (4130), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:54,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:44:56,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:44:56,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:44:56,940 INFO L93 Difference]: Finished difference Result 8441 states and 13514 transitions. [2022-11-19 06:44:56,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:44:56,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 06:44:56,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:44:56,994 INFO L225 Difference]: With dead ends: 8441 [2022-11-19 06:44:56,995 INFO L226 Difference]: Without dead ends: 4231 [2022-11-19 06:44:57,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:57,061 INFO L413 NwaCegarLoop]: 6356 mSDtfsCounter, 6490 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6490 SdHoareTripleChecker+Valid, 6560 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:44:57,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6490 Valid, 6560 Invalid, 388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-19 06:44:57,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2022-11-19 06:44:58,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 4229. [2022-11-19 06:44:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4229 states, 2881 states have (on average 1.4390836515098924) internal successors, (4146), 2889 states have internal predecessors, (4146), 1295 states have call successors, (1295), 53 states have call predecessors, (1295), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-19 06:44:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 4229 states and 6730 transitions. [2022-11-19 06:44:58,743 INFO L78 Accepts]: Start accepts. Automaton has 4229 states and 6730 transitions. Word has length 6 [2022-11-19 06:44:58,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:44:58,743 INFO L495 AbstractCegarLoop]: Abstraction has 4229 states and 6730 transitions. [2022-11-19 06:44:58,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:44:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4229 states and 6730 transitions. [2022-11-19 06:44:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 06:44:58,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:44:58,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:44:58,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:44:58,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:44:58,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:44:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1066526014, now seen corresponding path program 1 times [2022-11-19 06:44:58,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:44:58,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140527412] [2022-11-19 06:44:58,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:44:58,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:44:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:44:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:44:59,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:44:59,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140527412] [2022-11-19 06:44:59,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140527412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:44:59,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:44:59,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:44:59,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252234854] [2022-11-19 06:44:59,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:44:59,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:44:59,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:44:59,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:44:59,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:44:59,389 INFO L87 Difference]: Start difference. First operand 4229 states and 6730 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:45:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:02,469 INFO L93 Difference]: Finished difference Result 4231 states and 6731 transitions. [2022-11-19 06:45:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:02,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-19 06:45:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:02,505 INFO L225 Difference]: With dead ends: 4231 [2022-11-19 06:45:02,505 INFO L226 Difference]: Without dead ends: 4228 [2022-11-19 06:45:02,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:02,511 INFO L413 NwaCegarLoop]: 6350 mSDtfsCounter, 6695 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6695 SdHoareTripleChecker+Valid, 6350 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:02,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6695 Valid, 6350 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-19 06:45:02,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2022-11-19 06:45:03,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 4228. [2022-11-19 06:45:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4228 states, 2881 states have (on average 1.438736549809094) internal successors, (4145), 2888 states have internal predecessors, (4145), 1294 states have call successors, (1294), 53 states have call predecessors, (1294), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-19 06:45:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 4228 states and 6728 transitions. [2022-11-19 06:45:03,487 INFO L78 Accepts]: Start accepts. Automaton has 4228 states and 6728 transitions. Word has length 7 [2022-11-19 06:45:03,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:03,488 INFO L495 AbstractCegarLoop]: Abstraction has 4228 states and 6728 transitions. [2022-11-19 06:45:03,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:45:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 6728 transitions. [2022-11-19 06:45:03,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 06:45:03,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:03,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:03,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:45:03,490 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:03,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:03,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1294966503, now seen corresponding path program 1 times [2022-11-19 06:45:03,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:03,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981995311] [2022-11-19 06:45:03,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:03,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:45:04,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:04,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981995311] [2022-11-19 06:45:04,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981995311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:04,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:04,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:45:04,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450911381] [2022-11-19 06:45:04,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:04,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:04,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:04,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:04,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:04,070 INFO L87 Difference]: Start difference. First operand 4228 states and 6728 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:45:06,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:08,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:45:11,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:11,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:11,112 INFO L93 Difference]: Finished difference Result 5498 states and 8682 transitions. [2022-11-19 06:45:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:11,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 06:45:11,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:11,151 INFO L225 Difference]: With dead ends: 5498 [2022-11-19 06:45:11,152 INFO L226 Difference]: Without dead ends: 5495 [2022-11-19 06:45:11,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:11,158 INFO L413 NwaCegarLoop]: 6743 mSDtfsCounter, 6419 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6421 SdHoareTripleChecker+Valid, 8825 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:11,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6421 Valid, 8825 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 491 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-19 06:45:11,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2022-11-19 06:45:12,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5482. [2022-11-19 06:45:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5482 states, 3742 states have (on average 1.4299839657936932) internal successors, (5351), 3753 states have internal predecessors, (5351), 1659 states have call successors, (1659), 81 states have call predecessors, (1659), 80 states have return successors, (1655), 1650 states have call predecessors, (1655), 1655 states have call successors, (1655) [2022-11-19 06:45:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5482 states to 5482 states and 8665 transitions. [2022-11-19 06:45:12,334 INFO L78 Accepts]: Start accepts. Automaton has 5482 states and 8665 transitions. Word has length 8 [2022-11-19 06:45:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:12,334 INFO L495 AbstractCegarLoop]: Abstraction has 5482 states and 8665 transitions. [2022-11-19 06:45:12,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:45:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 5482 states and 8665 transitions. [2022-11-19 06:45:12,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 06:45:12,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:12,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:12,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:45:12,336 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:12,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:12,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1486795365, now seen corresponding path program 1 times [2022-11-19 06:45:12,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:12,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274869118] [2022-11-19 06:45:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:45:12,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:12,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274869118] [2022-11-19 06:45:12,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274869118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:12,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:12,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:45:12,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188631068] [2022-11-19 06:45:12,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:12,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:12,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:12,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:12,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:12,881 INFO L87 Difference]: Start difference. First operand 5482 states and 8665 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:45:16,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:19,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:45:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:20,892 INFO L93 Difference]: Finished difference Result 16418 states and 26119 transitions. [2022-11-19 06:45:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:20,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 06:45:20,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:20,974 INFO L225 Difference]: With dead ends: 16418 [2022-11-19 06:45:20,974 INFO L226 Difference]: Without dead ends: 10933 [2022-11-19 06:45:21,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:21,033 INFO L413 NwaCegarLoop]: 7720 mSDtfsCounter, 6721 mSDsluCounter, 6376 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6721 SdHoareTripleChecker+Valid, 14096 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:21,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6721 Valid, 14096 Invalid, 709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 704 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-19 06:45:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10933 states. [2022-11-19 06:45:22,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10933 to 10925. [2022-11-19 06:45:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10925 states, 7463 states have (on average 1.430523917995444) internal successors, (10676), 7483 states have internal predecessors, (10676), 3306 states have call successors, (3306), 157 states have call predecessors, (3306), 155 states have return successors, (3396), 3290 states have call predecessors, (3396), 3300 states have call successors, (3396) [2022-11-19 06:45:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 17378 transitions. [2022-11-19 06:45:23,044 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 17378 transitions. Word has length 9 [2022-11-19 06:45:23,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:23,044 INFO L495 AbstractCegarLoop]: Abstraction has 10925 states and 17378 transitions. [2022-11-19 06:45:23,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:45:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 17378 transitions. [2022-11-19 06:45:23,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 06:45:23,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:23,058 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:45:23,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:45:23,058 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:23,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:23,059 INFO L85 PathProgramCache]: Analyzing trace with hash 855161204, now seen corresponding path program 1 times [2022-11-19 06:45:23,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:23,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10162250] [2022-11-19 06:45:23,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:23,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:45:25,092 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:25,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10162250] [2022-11-19 06:45:25,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10162250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:25,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:25,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:45:25,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429209989] [2022-11-19 06:45:25,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:25,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:45:25,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:25,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:45:25,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:45:25,095 INFO L87 Difference]: Start difference. First operand 10925 states and 17378 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:45:31,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:35,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:35,889 INFO L93 Difference]: Finished difference Result 22056 states and 35314 transitions. [2022-11-19 06:45:35,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:45:35,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2022-11-19 06:45:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:35,966 INFO L225 Difference]: With dead ends: 22056 [2022-11-19 06:45:35,967 INFO L226 Difference]: Without dead ends: 11132 [2022-11-19 06:45:36,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:45:36,058 INFO L413 NwaCegarLoop]: 6326 mSDtfsCounter, 158 mSDsluCounter, 18828 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 25154 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:36,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 25154 Invalid, 1589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 1539 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2022-11-19 06:45:36,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11132 states. [2022-11-19 06:45:37,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11132 to 11105. [2022-11-19 06:45:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11105 states, 7597 states have (on average 1.4266157693826511) internal successors, (10838), 7619 states have internal predecessors, (10838), 3346 states have call successors, (3346), 161 states have call predecessors, (3346), 161 states have return successors, (3460), 3330 states have call predecessors, (3460), 3340 states have call successors, (3460) [2022-11-19 06:45:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 17644 transitions. [2022-11-19 06:45:38,009 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 17644 transitions. Word has length 53 [2022-11-19 06:45:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:38,009 INFO L495 AbstractCegarLoop]: Abstraction has 11105 states and 17644 transitions. [2022-11-19 06:45:38,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:45:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 17644 transitions. [2022-11-19 06:45:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 06:45:38,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:38,016 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:45:38,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:45:38,016 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:38,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1331197411, now seen corresponding path program 1 times [2022-11-19 06:45:38,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:38,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623703401] [2022-11-19 06:45:38,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:38,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:45:39,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:39,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623703401] [2022-11-19 06:45:39,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623703401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:39,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:39,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:39,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263709044] [2022-11-19 06:45:39,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:39,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:39,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:39,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:39,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:39,092 INFO L87 Difference]: Start difference. First operand 11105 states and 17644 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:45:41,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:44,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:44,266 INFO L93 Difference]: Finished difference Result 11107 states and 17645 transitions. [2022-11-19 06:45:44,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:44,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2022-11-19 06:45:44,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:44,329 INFO L225 Difference]: With dead ends: 11107 [2022-11-19 06:45:44,329 INFO L226 Difference]: Without dead ends: 11104 [2022-11-19 06:45:44,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:44,340 INFO L413 NwaCegarLoop]: 6356 mSDtfsCounter, 224 mSDsluCounter, 6163 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 12519 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:44,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 12519 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-19 06:45:44,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11104 states. [2022-11-19 06:45:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11104 to 11104. [2022-11-19 06:45:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11104 states, 7597 states have (on average 1.426352507568777) internal successors, (10836), 7618 states have internal predecessors, (10836), 3345 states have call successors, (3345), 161 states have call predecessors, (3345), 161 states have return successors, (3460), 3330 states have call predecessors, (3460), 3340 states have call successors, (3460) [2022-11-19 06:45:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11104 states to 11104 states and 17641 transitions. [2022-11-19 06:45:46,563 INFO L78 Accepts]: Start accepts. Automaton has 11104 states and 17641 transitions. Word has length 54 [2022-11-19 06:45:46,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:46,565 INFO L495 AbstractCegarLoop]: Abstraction has 11104 states and 17641 transitions. [2022-11-19 06:45:46,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:45:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 11104 states and 17641 transitions. [2022-11-19 06:45:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 06:45:46,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:46,570 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:46,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:45:46,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:46,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:46,571 INFO L85 PathProgramCache]: Analyzing trace with hash 727166804, now seen corresponding path program 1 times [2022-11-19 06:45:46,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:46,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472269110] [2022-11-19 06:45:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:46,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:45:52,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:52,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472269110] [2022-11-19 06:45:52,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472269110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:52,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:52,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:52,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066368234] [2022-11-19 06:45:52,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:52,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:52,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:52,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:52,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:52,132 INFO L87 Difference]: Start difference. First operand 11104 states and 17641 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:45:55,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:45:58,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:58,200 INFO L93 Difference]: Finished difference Result 22213 states and 37523 transitions. [2022-11-19 06:45:58,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:58,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-11-19 06:45:58,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:58,269 INFO L225 Difference]: With dead ends: 22213 [2022-11-19 06:45:58,269 INFO L226 Difference]: Without dead ends: 11110 [2022-11-19 06:45:58,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:58,381 INFO L413 NwaCegarLoop]: 6346 mSDtfsCounter, 0 mSDsluCounter, 6343 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12689 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:58,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12689 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-19 06:45:58,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11110 states. [2022-11-19 06:46:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11110 to 11110. [2022-11-19 06:46:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11110 states, 7603 states have (on average 1.4260160462975142) internal successors, (10842), 7624 states have internal predecessors, (10842), 3345 states have call successors, (3345), 161 states have call predecessors, (3345), 161 states have return successors, (3460), 3330 states have call predecessors, (3460), 3340 states have call successors, (3460) [2022-11-19 06:46:00,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11110 states to 11110 states and 17647 transitions. [2022-11-19 06:46:00,558 INFO L78 Accepts]: Start accepts. Automaton has 11110 states and 17647 transitions. Word has length 58 [2022-11-19 06:46:00,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:00,558 INFO L495 AbstractCegarLoop]: Abstraction has 11110 states and 17647 transitions. [2022-11-19 06:46:00,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:46:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 11110 states and 17647 transitions. [2022-11-19 06:46:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 06:46:00,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:00,562 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:00,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:46:00,563 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:00,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:00,563 INFO L85 PathProgramCache]: Analyzing trace with hash 774056108, now seen corresponding path program 1 times [2022-11-19 06:46:00,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:00,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088221432] [2022-11-19 06:46:00,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:00,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:46:03,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:03,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088221432] [2022-11-19 06:46:03,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088221432] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:46:03,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303893156] [2022-11-19 06:46:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:03,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:03,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:03,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:03,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:46:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:06,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 8061 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 06:46:06,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:46:06,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:46:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:46:06,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303893156] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 06:46:06,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:46:06,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2022-11-19 06:46:06,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043680838] [2022-11-19 06:46:06,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:06,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:46:06,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:46:06,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:06,998 INFO L87 Difference]: Start difference. First operand 11110 states and 17647 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:46:11,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:46:14,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:46:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:16,644 INFO L93 Difference]: Finished difference Result 22225 states and 37535 transitions. [2022-11-19 06:46:16,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:46:16,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2022-11-19 06:46:16,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:16,725 INFO L225 Difference]: With dead ends: 22225 [2022-11-19 06:46:16,726 INFO L226 Difference]: Without dead ends: 11116 [2022-11-19 06:46:16,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:16,830 INFO L413 NwaCegarLoop]: 6344 mSDtfsCounter, 11 mSDsluCounter, 12677 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19021 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:16,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19021 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1046 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-11-19 06:46:16,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11116 states. [2022-11-19 06:46:18,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 11116. [2022-11-19 06:46:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11116 states, 7609 states have (on average 1.4256801156525167) internal successors, (10848), 7630 states have internal predecessors, (10848), 3345 states have call successors, (3345), 161 states have call predecessors, (3345), 161 states have return successors, (3460), 3330 states have call predecessors, (3460), 3340 states have call successors, (3460) [2022-11-19 06:46:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11116 states to 11116 states and 17653 transitions. [2022-11-19 06:46:18,481 INFO L78 Accepts]: Start accepts. Automaton has 11116 states and 17653 transitions. Word has length 59 [2022-11-19 06:46:18,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:18,481 INFO L495 AbstractCegarLoop]: Abstraction has 11116 states and 17653 transitions. [2022-11-19 06:46:18,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:46:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 11116 states and 17653 transitions. [2022-11-19 06:46:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-19 06:46:18,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:18,486 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:18,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:18,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:18,711 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:18,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:18,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1230431855, now seen corresponding path program 1 times [2022-11-19 06:46:18,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:18,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001107719] [2022-11-19 06:46:18,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:18,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:47:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:47:52,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 06:48:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 06:48:43,576 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 06:48:43,577 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 06:48:43,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:48:43,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:48:43,583 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:48:43,589 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:48:43,618 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,619 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,620 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,620 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,621 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,621 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,621 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,622 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,622 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,622 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,623 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,623 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,623 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,624 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,624 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,624 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,625 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,625 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,625 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,626 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,626 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,626 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,626 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,627 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,627 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,627 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,628 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,629 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,629 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,629 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,629 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,630 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,630 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,630 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,631 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,631 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,631 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,631 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,632 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,632 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,632 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,632 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,633 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,633 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,634 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,634 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,634 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,634 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,634 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,635 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,635 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,635 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,636 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,636 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,636 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,636 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,637 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,637 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,638 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,638 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,638 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,639 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,639 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,639 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,639 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,639 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,640 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,640 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,640 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled [2022-11-19 06:48:43,640 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled [2022-11-19 06:48:43,641 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,641 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,641 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled [2022-11-19 06:48:43,641 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled [2022-11-19 06:48:43,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:48:43 BoogieIcfgContainer [2022-11-19 06:48:43,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:48:43,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:48:43,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:48:43,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:48:43,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:44:50" (3/4) ... [2022-11-19 06:48:43,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 06:48:43,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:48:43,765 INFO L158 Benchmark]: Toolchain (without parser) took 269825.11ms. Allocated memory was 98.6MB in the beginning and 5.7GB in the end (delta: 5.6GB). Free memory was 45.9MB in the beginning and 3.1GB in the end (delta: -3.1GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2022-11-19 06:48:43,765 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:48:43,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3399.93ms. Allocated memory was 98.6MB in the beginning and 199.2MB in the end (delta: 100.7MB). Free memory was 45.7MB in the beginning and 87.5MB in the end (delta: -41.8MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2022-11-19 06:48:43,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 707.66ms. Allocated memory was 199.2MB in the beginning and 381.7MB in the end (delta: 182.5MB). Free memory was 87.5MB in the beginning and 212.1MB in the end (delta: -124.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-19 06:48:43,766 INFO L158 Benchmark]: Boogie Preprocessor took 844.09ms. Allocated memory is still 381.7MB. Free memory was 212.1MB in the beginning and 207.9MB in the end (delta: 4.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-19 06:48:43,767 INFO L158 Benchmark]: RCFGBuilder took 31520.83ms. Allocated memory was 381.7MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 207.9MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-19 06:48:43,768 INFO L158 Benchmark]: TraceAbstraction took 233334.79ms. Allocated memory was 5.2GB in the beginning and 5.7GB in the end (delta: 436.2MB). Free memory was 4.5GB in the beginning and 3.1GB in the end (delta: 1.4GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-11-19 06:48:43,768 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 5.7GB. Free memory is still 3.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:48:43,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3399.93ms. Allocated memory was 98.6MB in the beginning and 199.2MB in the end (delta: 100.7MB). Free memory was 45.7MB in the beginning and 87.5MB in the end (delta: -41.8MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 707.66ms. Allocated memory was 199.2MB in the beginning and 381.7MB in the end (delta: 182.5MB). Free memory was 87.5MB in the beginning and 212.1MB in the end (delta: -124.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 844.09ms. Allocated memory is still 381.7MB. Free memory was 212.1MB in the beginning and 207.9MB in the end (delta: 4.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * RCFGBuilder took 31520.83ms. Allocated memory was 381.7MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 207.9MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * TraceAbstraction took 233334.79ms. Allocated memory was 5.2GB in the beginning and 5.7GB in the end (delta: 436.2MB). Free memory was 4.5GB in the beginning and 3.1GB in the end (delta: 1.4GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 5.7GB. Free memory is still 3.1GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_src#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_dest#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memcpy_#t~mem4372#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 15918]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 4282. Possible FailurePath: [L3682-L3696] static struct stv090x_tab const stv090x_rf_tab[14U] = { {-5, 51873}, {-10, 49705}, {-15, 47880}, {-20, 46268}, {-25, 44378}, {-30, 41624}, {-35, 39080}, {-40, 33673}, {-45, 22974}, {-50, 14868}, {-55, 11537}, {-60, 8461}, {-65, 41295}, {-70, 1962}}; [L15490-L15525] static struct dvb_frontend_ops stv090x_ops = {{{'S', 'T', 'V', '0', '9', '0', 'x', ' ', 'M', 'u', 'l', 't', 'i', 's', 't', 'a', 'n', 'd', 'a', 'r', 'd', '\000'}, 0, 950000U, 2150000U, 0U, 0U, 1000000U, 45000000U, 0U, 0U, 268436993}, {5U, 6U, 4U}, & stv090x_release, 0, & stv090x_init, & stv090x_sleep, 0, 0, & stv090x_frontend_algo, 0, 0, 0, & stv090x_read_status, & stv090x_read_per, & stv090x_read_signal_strength, & stv090x_read_cnr, 0, 0, & stv090x_send_diseqc_msg, & stv090x_recv_slave_reply, & stv090x_send_diseqc_burst, & stv090x_set_tone, 0, 0, 0, 0, 0, 0, & stv090x_search, {{{(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, 0U, 0U, 0U, 0U, 0U, 0U}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {{0}, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L4016-L4030] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[14U] = { {4, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 30U}, {5, 47U, 63U, 46U, 47U, 61U, 15U, 14U, 46U, 61U, 14U}, {6, 47U, 63U, 46U, 47U, 14U, 15U, 14U, 30U, 61U, 61U}, {7, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {8, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {9, 63U, 63U, 62U, 31U, 14U, 62U, 14U, 30U, 61U, 61U}, {10, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {11, 63U, 63U, 62U, 31U, 30U, 62U, 14U, 30U, 61U, 61U}, {12, 60U, 62U, 28U, 46U, 12U, 30U, 43U, 45U, 27U, 29U}, {13, 29U, 62U, 60U, 46U, 44U, 30U, 12U, 45U, 43U, 29U}, {14, 14U, 62U, 61U, 46U, 13U, 30U, 44U, 45U, 12U, 29U}, {15, 46U, 62U, 30U, 46U, 45U, 30U, 60U, 45U, 44U, 29U}, {16, 62U, 62U, 30U, 46U, 61U, 30U, 13U, 45U, 60U, 29U}, {17, 62U, 62U, 30U, 46U, 61U, 30U, 29U, 45U, 13U, 29U}}; [L3992-L4015] static struct stv090x_reg stv0903_cut20_val[23U] = { {62494U, 232U}, {62495U, 16U}, {62525U, 56U}, {62526U, 32U}, {62552U, 90U}, {62720U, 6U}, {62721U, 0U}, {62722U, 4U}, {62465U, 12U}, {64067U, 33U}, {64068U, 33U}, {64069U, 32U}, {64070U, 31U}, {64071U, 30U}, {64072U, 30U}, {64073U, 29U}, {64074U, 27U}, {64075U, 32U}, {64076U, 32U}, {64077U, 32U}, {64078U, 32U}, {64079U, 32U}, {64080U, 33U}}; [L4031-L4045] static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[14U] = { {4, 60U, 44U, 12U, 44U, 27U, 44U, 27U, 28U, 11U, 59U}, {5, 13U, 13U, 12U, 13U, 27U, 60U, 27U, 28U, 11U, 59U}, {6, 29U, 13U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {7, 29U, 29U, 12U, 29U, 43U, 60U, 27U, 28U, 11U, 59U}, {8, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {9, 45U, 29U, 28U, 29U, 43U, 60U, 43U, 12U, 27U, 59U}, {10, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {11, 61U, 45U, 28U, 29U, 59U, 60U, 43U, 12U, 27U, 59U}, {12, 57U, 41U, 57U, 25U, 25U, 25U, 25U, 25U, 9U, 25U}, {13, 42U, 57U, 26U, 10U, 57U, 10U, 41U, 57U, 41U, 10U}, {14, 43U, 58U, 27U, 27U, 58U, 27U, 26U, 11U, 26U, 58U}, {15, 12U, 27U, 59U, 59U, 27U, 59U, 58U, 59U, 58U, 27U}, {16, 13U, 60U, 44U, 44U, 43U, 12U, 11U, 59U, 11U, 27U}, {17, 13U, 13U, 44U, 60U, 59U, 28U, 11U, 59U, 11U, 27U}}; [L15664] int LDV_IN_INTERRUPT ; [L3697-L3858] static struct stv090x_reg stv0900_initval[161U] = { {61724U, 0U}, {61725U, 255U}, {61778U, 17U}, {61782U, 19U}, {63088U, 20U}, {61921U, 33U}, {61923U, 33U}, {61840U, 34U}, {61849U, 192U}, {61850U, 192U}, {61841U, 0U}, {61972U, 249U}, {61968U, 8U}, {61982U, 196U}, {62013U, 237U}, {62015U, 208U}, {62016U, 184U}, {62032U, 210U}, {62035U, 32U}, {62544U, 210U}, {62036U, 0U}, {62368U, 136U}, {62370U, 58U}, {62376U, 0U}, {62386U, 16U}, {62360U, 53U}, {62364U, 193U}, {62017U, 248U}, {61953U, 28U}, {61975U, 32U}, {61984U, 112U}, {61985U, 136U}, {61996U, 91U}, {61997U, 56U}, {62008U, 228U}, {62009U, 26U}, {62010U, 9U}, {62014U, 8U}, {62040U, 193U}, {62037U, 240U}, {62038U, 112U}, {62041U, 88U}, {62042U, 1U}, {62096U, 38U}, {62108U, 134U}, {62109U, 134U}, {62208U, 119U}, {62209U, 133U}, {62210U, 119U}, {62324U, 32U}, {61973U, 59U}, {62128U, 255U}, {62129U, 255U}, {62130U, 255U}, {62131U, 255U}, {62132U, 255U}, {62133U, 255U}, {62134U, 255U}, {62135U, 204U}, {62136U, 204U}, {62137U, 204U}, {62138U, 204U}, {62139U, 204U}, {62140U, 204U}, {62141U, 204U}, {62142U, 204U}, {62143U, 207U}, {61856U, 34U}, {61865U, 192U}, {61866U, 192U}, {61857U, 0U}, {62484U, 249U}, {62480U, 8U}, {62494U, 196U}, {62487U, 32U}, {62525U, 237U}, {62527U, 208U}, {62528U, 184U}, {62544U, 210U}, {62547U, 32U}, {62548U, 0U}, {62549U, 240U}, {62550U, 112U}, {62836U, 32U}, {62880U, 136U}, {62882U, 58U}, {62888U, 0U}, {62898U, 16U}, {62872U, 53U}, {62876U, 193U}, {62529U, 248U}, {62465U, 28U}, {62496U, 112U}, {62497U, 136U}, {62508U, 91U}, {62509U, 56U}, {62520U, 228U}, {62521U, 26U}, {62522U, 9U}, {62526U, 8U}, {62552U, 193U}, {62553U, 88U}, {62554U, 1U}, {62608U, 38U}, {62620U, 134U}, {62621U, 134U}, {62720U, 119U}, {62721U, 133U}, {62722U, 119U}, {62485U, 59U}, {62640U, 255U}, {62641U, 255U}, {62642U, 255U}, {62643U, 255U}, {62644U, 255U}, {62645U, 255U}, {62646U, 255U}, {62647U, 204U}, {62648U, 204U}, {62649U, 204U}, {62650U, 204U}, {62651U, 204U}, {62652U, 204U}, {62653U, 204U}, {62654U, 204U}, {62655U, 207U}, {64134U, 29U}, {64003U, 55U}, {64004U, 41U}, {64005U, 55U}, {64006U, 51U}, {64007U, 49U}, {64008U, 47U}, {64009U, 57U}, {64010U, 58U}, {64011U, 41U}, {64012U, 55U}, {64013U, 51U}, {64014U, 47U}, {64015U, 57U}, {64016U, 58U}, {64063U, 4U}, {64067U, 12U}, {64068U, 15U}, {64069U, 17U}, {64070U, 20U}, {64071U, 23U}, {64072U, 25U}, {64073U, 32U}, {64074U, 33U}, {64075U, 13U}, {64076U, 15U}, {64077U, 19U}, {64078U, 26U}, {64079U, 31U}, {64080U, 33U}, {62976U, 32U}, {62771U, 1U}, {62259U, 1U}, {62780U, 47U}, {62268U, 47U}}; [L3496] static unsigned int verbose ; [L3497] static struct stv090x_dev *stv090x_first_dev ; [L4058-L4069] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[11U] = { {18, 10U, 10U, 10U, 10U, 26U, 10U, 58U, 10U, 42U, 10U}, {19, 10U, 10U, 10U, 10U, 11U, 10U, 59U, 10U, 27U, 10U}, {20, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {21, 10U, 10U, 10U, 10U, 27U, 10U, 59U, 10U, 43U, 10U}, {22, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {23, 10U, 10U, 10U, 10U, 43U, 10U, 12U, 10U, 59U, 10U}, {24, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {25, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {26, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {27, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}, {28, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U, 10U}}; [L16035] static int ldv_mutex_lock ; [L4046-L4057] static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[11U] = { {18, 12U, 12U, 12U, 12U, 29U, 12U, 60U, 12U, 44U, 12U}, {19, 12U, 12U, 12U, 12U, 14U, 12U, 45U, 12U, 29U, 12U}, {20, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {21, 12U, 12U, 12U, 12U, 30U, 12U, 61U, 12U, 45U, 12U}, {22, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {23, 12U, 12U, 12U, 12U, 46U, 12U, 14U, 12U, 61U, 12U}, {24, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {25, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {26, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {27, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}, {28, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U, 12U}}; [L4076-L4079] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[4U] = { {0, 47U, 46U, 14U, 14U, 61U}, {1, 62U, 14U, 45U, 13U, 60U}, {2, 30U, 30U, 30U, 61U, 45U}, {3, 30U, 30U, 30U, 61U, 45U}}; [L3626-L3681] static struct stv090x_tab const stv090x_s2cn_tab[55U] = { {-30, 13348}, {-20, 12640}, {-10, 11883}, {0, 11101}, {5, 10718}, {10, 10339}, {15, 9947}, {20, 9552}, {25, 9183}, {30, 8799}, {35, 8422}, {40, 8062}, {45, 7707}, {50, 7353}, {55, 7025}, {60, 6684}, {65, 6331}, {70, 6036}, {75, 5727}, {80, 5437}, {85, 5164}, {90, 4902}, {95, 4653}, {100, 4408}, {105, 4187}, {110, 3961}, {115, 3751}, {120, 3558}, {125, 3368}, {130, 3191}, {135, 3017}, {140, 2862}, {145, 2710}, {150, 2565}, {160, 2300}, {170, 2058}, {180, 1849}, {190, 1663}, {200, 1495}, {210, 1349}, {220, 1222}, {230, 1110}, {240, 1011}, {250, 925}, {260, 853}, {270, 789}, {280, 734}, {290, 690}, {300, 650}, {310, 619}, {320, 593}, {330, 571}, {400, 498}, {450, 484}, {500, 481}}; [L16249] static int ldv_mutex_tuner_lock_of_stv090x_internal ; [L3959-L3991] static struct stv090x_reg stv0900_cut20_val[32U] = { {61982U, 232U}, {61983U, 16U}, {62013U, 56U}, {62014U, 32U}, {62040U, 90U}, {62208U, 6U}, {62209U, 0U}, {62210U, 4U}, {61953U, 12U}, {62494U, 232U}, {62495U, 16U}, {62525U, 56U}, {62526U, 32U}, {62552U, 90U}, {62720U, 6U}, {62721U, 0U}, {62722U, 4U}, {62465U, 12U}, {64067U, 33U}, {64068U, 33U}, {64069U, 32U}, {64070U, 31U}, {64071U, 30U}, {64072U, 30U}, {64073U, 29U}, {64074U, 27U}, {64075U, 32U}, {64076U, 32U}, {64077U, 32U}, {64078U, 32U}, {64079U, 32U}, {64080U, 33U}}; [L4080-L4083] static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[4U] = { {0, 44U, 43U, 11U, 11U, 58U}, {1, 59U, 11U, 42U, 10U, 57U}, {2, 27U, 27U, 27U, 58U, 42U}, {3, 27U, 27U, 27U, 58U, 42U}}; [L4070-L4072] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[3U] = { {1, 15U, 63U, 14U, 63U, 45U, 47U, 45U, 31U, 61U, 62U}, {2, 15U, 63U, 14U, 63U, 45U, 47U, 61U, 15U, 61U, 46U}, {3, 31U, 63U, 30U, 63U, 61U, 31U, 61U, 62U, 61U, 46U}}; [L4073-L4075] static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[3U] = { {1, 12U, 60U, 11U, 60U, 42U, 44U, 42U, 28U, 58U, 59U}, {2, 12U, 60U, 11U, 60U, 42U, 44U, 58U, 12U, 58U, 43U}, {3, 28U, 60U, 27U, 60U, 58U, 28U, 58U, 59U, 58U, 43U}}; [L16142] static int ldv_mutex_mutex_of_device ; [L3573-L3625] static struct stv090x_tab const stv090x_s1cn_tab[52U] = { {0, 8917}, {5, 8801}, {10, 8667}, {15, 8522}, {20, 8355}, {25, 8175}, {30, 7979}, {35, 7763}, {40, 7530}, {45, 7282}, {50, 7026}, {55, 6781}, {60, 6514}, {65, 6241}, {70, 5965}, {75, 5690}, {80, 5424}, {85, 5161}, {90, 4902}, {95, 4654}, {100, 4417}, {105, 4186}, {110, 3968}, {115, 3757}, {120, 3558}, {125, 3366}, {130, 3185}, {135, 3012}, {140, 2850}, {145, 2698}, {150, 2550}, {160, 2283}, {170, 2042}, {180, 1827}, {190, 1636}, {200, 1466}, {210, 1315}, {220, 1181}, {230, 1064}, {240, 960}, {250, 869}, {260, 792}, {270, 724}, {280, 665}, {290, 616}, {300, 573}, {310, 537}, {320, 507}, {330, 483}, {400, 398}, {450, 381}, {500, 377}}; [L3859-L3958] static struct stv090x_reg stv0903_initval[99U] = { {61724U, 0U}, {61778U, 17U}, {61890U, 72U}, {61891U, 20U}, {61920U, 39U}, {61921U, 33U}, {61856U, 34U}, {61865U, 192U}, {61866U, 192U}, {61857U, 0U}, {62484U, 249U}, {62480U, 8U}, {62494U, 196U}, {62525U, 237U}, {62689U, 130U}, {62527U, 208U}, {62528U, 184U}, {62544U, 210U}, {62547U, 32U}, {62548U, 0U}, {62549U, 240U}, {62550U, 112U}, {62836U, 32U}, {62880U, 136U}, {62882U, 58U}, {62888U, 0U}, {62898U, 16U}, {62872U, 53U}, {62876U, 193U}, {62529U, 248U}, {62465U, 28U}, {62487U, 32U}, {62496U, 112U}, {62497U, 136U}, {62508U, 91U}, {62509U, 56U}, {62520U, 228U}, {62521U, 26U}, {62522U, 9U}, {62526U, 8U}, {62552U, 193U}, {62553U, 88U}, {62554U, 1U}, {62608U, 38U}, {62620U, 134U}, {62621U, 134U}, {62720U, 119U}, {62721U, 133U}, {62722U, 119U}, {62485U, 59U}, {62640U, 255U}, {62641U, 255U}, {62642U, 255U}, {62643U, 255U}, {62644U, 255U}, {62645U, 255U}, {62646U, 255U}, {62647U, 204U}, {62648U, 204U}, {62649U, 204U}, {62650U, 204U}, {62651U, 204U}, {62652U, 204U}, {62653U, 204U}, {62654U, 204U}, {62655U, 207U}, {64134U, 28U}, {64003U, 55U}, {64004U, 41U}, {64005U, 55U}, {64006U, 51U}, {64007U, 49U}, {64008U, 47U}, {64009U, 57U}, {64010U, 58U}, {64011U, 41U}, {64012U, 55U}, {64013U, 51U}, {64014U, 47U}, {64015U, 57U}, {64016U, 58U}, {64063U, 4U}, {64067U, 12U}, {64068U, 15U}, {64069U, 17U}, {64070U, 20U}, {64071U, 23U}, {64072U, 25U}, {64073U, 32U}, {64074U, 33U}, {64075U, 13U}, {64076U, 15U}, {64077U, 19U}, {64078U, 26U}, {64079U, 31U}, {64080U, 33U}, {62976U, 32U}, {62771U, 1U}, {62780U, 47U}}; [L15928] static int ldv_mutex_demod_lock_of_stv090x_internal ; [L15667] struct dvb_frontend *var_group1 ; [L15668] struct dvb_diseqc_master_cmd *var_group2 ; [L15669] fe_sec_mini_cmd_t var_stv090x_send_diseqc_burst_57_p1 ; [L15670] struct dvb_diseqc_slave_reply *var_group3 ; [L15671] fe_sec_tone_mode_t var_stv090x_set_tone_54_p1 ; [L15672] enum fe_status *var_stv090x_read_status_49_p1 ; [L15673] u32 *var_stv090x_read_per_50_p1 ; [L15674] u16 *var_stv090x_read_signal_strength_52_p1 ; [L15675] u16 *var_stv090x_read_cnr_53_p1 ; [L15676] int ldv_s_stv090x_ops_dvb_frontend_ops ; [L15677] int tmp ; [L15678] int tmp___0 ; [L15680] ldv_s_stv090x_ops_dvb_frontend_ops = 0 [L15681] LDV_IN_INTERRUPT = 1 [L15682] CALL ldv_initialize() [L16359] ldv_mutex_demod_lock_of_stv090x_internal = 1 [L16360] ldv_mutex_lock = 1 [L16361] ldv_mutex_mutex_of_device = 1 [L16362] ldv_mutex_tuner_lock_of_stv090x_internal = 1 [L15682] RET ldv_initialize() [L15748] tmp___0 = __VERIFIER_nondet_int() [L15749] COND TRUE tmp___0 != 0 || ldv_s_stv090x_ops_dvb_frontend_ops != 0 [L15685] tmp = __VERIFIER_nondet_int() [L15687] case 0: [L15695] case 1: VAL [LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=1, tmp___0=1, verbose={703:0}] [L15696] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, ldv_s_stv090x_ops_dvb_frontend_ops=0, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=1, tmp___0=1, verbose={703:0}] [L15697] CALL stv090x_init(var_group1) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L15014] struct stv090x_state *state ; [L15015] struct stv090x_config const *config ; [L15016] u32 reg ; [L15017] int tmp ; [L15018] int tmp___0 ; [L15019] int tmp___1 ; [L15020] int tmp___2 ; [L15021] int tmp___3 ; [L15022] int tmp___4 ; [L15023] int tmp___5 ; [L15024] int tmp___6 ; [L15025] int tmp___7 ; [L15026] int tmp___8 ; [L15027] int tmp___9 ; [L15028] int tmp___10 ; [L15029] int tmp___11 ; [L15030] int tmp___12 ; [L15031] int tmp___13 ; [L15032] int tmp___14 ; [L15033] int tmp___15 ; [L15034] int tmp___16 ; [L15035] int tmp___17 ; [L15036] int tmp___18 ; [L15037] int tmp___19 ; [L15038] int tmp___20 ; [L15039] int tmp___21 ; [L15040] int tmp___22 ; [L15042] EXPR fe->demodulator_priv [L15042] state = (struct stv090x_state *)fe->demodulator_priv [L15043] EXPR state->config [L15043] config = state->config [L15044] EXPR state->internal [L15044] EXPR (state->internal)->mclk VAL [(state->internal)->mclk=0, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, config={716:-10}, fe={18446744073709550957:-2}, fe={18446744073709550957:-2}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state->internal={18446744073709550943:-324}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L15044] COND TRUE (state->internal)->mclk == 0 [L15045] CALL stv090x_i2c_gate_ctrl(state, 1) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4240] u32 reg ; [L4241] int tmp ; [L4242] int tmp___0 ; [L4243] int tmp___1 ; [L4244] int tmp___2 ; [L4245] int tmp___3 ; [L4246] int tmp___4 ; [L4247] int tmp___5 ; [L4248] int tmp___6 ; [L4249] int tmp___7 ; VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4251] COND TRUE enable != 0 [L4252] EXPR state->config [L4252] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={717:-716}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state={715:-27}, state->config={716:-10}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4252-L4253] COND TRUE (unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0) [L4254] EXPR state->config [L4254] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={717:-716}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state={715:-27}, state->config={716:-10}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4254] FCALL (*((state->config)->tuner_i2c_lock))(& state->frontend, 1) VAL [(state->config)->tuner_i2c_lock={717:-716}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state={715:-27}, state->config={716:-10}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4260] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state={715:-27}, state->demod=-4294967294, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4260] COND TRUE (unsigned int )state->demod == 2U [L4261] CALL, EXPR stv090x_read_reg(state, 61739U) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4096] struct stv090x_config const *config ; [L4097] int ret ; [L4098] u8 b0[2U] ; [L4099] u8 buf ; [L4100] struct i2c_msg msg[2U] ; [L4101] long tmp ; [L4103] EXPR state->config [L4103] config = state->config [L4104] b0[0] = (unsigned char )(reg >> 8) [L4105] b0[1] = (unsigned char )reg [L4106] EXPR config->address [L4106] msg[0].addr = (unsigned short )config->address [L4107] msg[0].flags = 0U [L4108] msg[0].len = 2U [L4109] msg[0].buf = (__u8 *)(& b0) [L4110] EXPR config->address [L4110] msg[1].addr = (unsigned short )config->address [L4111] msg[1].flags = 1U [L4112] msg[1].len = 1U [L4113] msg[1].buf = & buf [L4114] EXPR state->i2c VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, b0={715:0}, buf={718:0}, config={716:-10}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, msg={716:0}, reg=61739, state={715:-27}, state={715:-27}, state->i2c={18446744073709550930:18446744073709550929}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4114] CALL, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(arg2)=2, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, arg0={18446744073709550930:18446744073709550929}, arg1={716:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L16393] return __VERIFIER_nondet_int(); [L4114] RET, EXPR i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, b0={715:0}, buf={718:0}, config={716:-10}, i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2)=-512, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, msg={716:0}, reg=61739, state={715:-27}, state={715:-27}, state->i2c={18446744073709550930:18446744073709550929}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4114] ret = i2c_transfer(state->i2c, (struct i2c_msg *)(& msg), 2) [L4115] COND TRUE ret != 2 [L4116] COND FALSE !(ret != -512) [L4136] return (ret < 0 ? ret : -121); [L4136] return (ret < 0 ? ret : -121); [L4136] return (ret < 0 ? ret : -121); [L4136] return (ret < 0 ? ret : -121); VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, \read(verbose)=18446744073709550939, \read(verbose)=18446744073709550959, \read(verbose)=18446744073709550971, \read(verbose)=18446744073709550931, \result=-512, config={716:-10}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550967, printk("\017%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550907, printk("\r%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550896, printk("\v%s: Read error, Reg=[0x%02x], Status=%d\n", "stv090x_read_reg", reg, ret)=18446744073709550913, reg=61739, ret=-512, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}, verbose != 0U && verbose != 0U=0, verbose > 1U && verbose != 0U=0, verbose > 2U && verbose != 0U=0, verbose > 3U && verbose != 0U=0] [L4261] RET, EXPR stv090x_read_reg(state, 61739U) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_read_reg(state, 61739U)=-512, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4261] tmp = stv090x_read_reg(state, 61739U) [L4262] tmp___1 = tmp VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=-512, tmp___1=-512, verbose={703:0}] [L4267] reg = (u32 )tmp___1 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=4294966784, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=-512, tmp___1=-512, verbose={703:0}] [L4268] COND TRUE enable != 0 [L4269] EXPR \read(verbose) [L4269] verbose != 0U && verbose > 3U [L4269] COND FALSE !(verbose != 0U && verbose > 3U) [L4272] EXPR \read(verbose) [L4272] verbose > 1U && verbose > 3U [L4272] COND FALSE !(verbose > 1U && verbose > 3U) [L4275] EXPR \read(verbose) [L4275] verbose > 2U && verbose > 3U [L4275] COND FALSE !(verbose > 2U && verbose > 3U) [L4278] EXPR \read(verbose) [L4278] verbose > 3U && verbose > 3U [L4278] COND FALSE !(verbose > 3U && verbose > 3U) [L4282] reg = reg | 128U [L4283] EXPR state->demod VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550910, \read(verbose)=18446744073709550895, \read(verbose)=18446744073709550906, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550965, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550924, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550927, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550925, reg=4294967042, state={715:-27}, state={715:-27}, state->demod=-4294967294, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=-512, tmp___1=-512, verbose={703:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4283] COND TRUE (unsigned int )state->demod == 2U [L4284] CALL, EXPR stv090x_write_reg(state, 61739U, (int )((u8 )reg)) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L4232] int tmp ; [L4234] CALL, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4163] struct stv090x_config const *config ; [L4164] int ret ; [L4165] u8 *buf ; [L4166] unsigned long __lengthofbuf ; [L4167] void *tmp ; [L4168] struct i2c_msg i2c_msg ; [L4169] size_t __len ; [L4170] void *__ret ; [L4171] int i ; [L4172] long tmp___0 ; [L4174] EXPR state->config [L4174] config = state->config [L4175] __lengthofbuf = (unsigned long )((long )(count + 2U)) [L4176] tmp = __builtin_alloca(sizeof(*buf) * __lengthofbuf) [L4177] buf = (u8 *)tmp [L4178] EXPR config->address [L4178] i2c_msg.addr = (unsigned short )config->address [L4179] i2c_msg.flags = 0U [L4180] i2c_msg.len = (unsigned int )((unsigned short )count) + 2U [L4181] i2c_msg.buf = (__u8 *)(& buf) [L4182] EXPR \read(*buf) [L4182] *(buf + 0) = (u8 )(reg >> 8) [L4183] EXPR \read(*buf) [L4183] *(buf + 1) = (u8 )reg [L4184] __len = (size_t )count [L4185] EXPR, FCALL memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4185] __ret = memcpy((void *)(& buf) + 2U, (void const *)data, __len) [L4186] EXPR state->verbose VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={721:0}, __len=1, __lengthofbuf=3, __ret={730:2}, buf={730:0}, config={18446744073709550934:-135}, count=1, data={715:0}, data={715:0}, i2c_msg={729:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={715:-27}, state={715:-27}, state->verbose={18446744073709550933:18446744073709550949}, state->verbose=2, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp={721:0}, verbose={703:0}] [L4186] CALL, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(c)=0, \old(exp)=0, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L15925] return (exp); [L4186] RET, EXPR ldv__builtin_expect(*(state->verbose) > 3U, 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={721:0}, __len=1, __lengthofbuf=3, __ret={730:2}, buf={730:0}, config={18446744073709550934:-135}, count=1, data={715:0}, data={715:0}, i2c_msg={729:0}, ldv__builtin_expect(*(state->verbose) > 3U, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={715:-27}, state={715:-27}, state->verbose={18446744073709550933:18446744073709550949}, state->verbose=2, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp={721:0}, verbose={703:0}] [L4186] tmp___0 = ldv__builtin_expect(*(state->verbose) > 3U, 0L) [L4187] COND FALSE !(tmp___0 != 0L) VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={721:0}, __len=1, __lengthofbuf=3, __ret={730:2}, buf={730:0}, config={18446744073709550934:-135}, count=1, data={715:0}, data={715:0}, i2c_msg={729:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp={721:0}, tmp___0=0, verbose={703:0}] [L4202] EXPR state->i2c VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={721:0}, __len=1, __lengthofbuf=3, __ret={730:2}, buf={730:0}, config={18446744073709550934:-135}, count=1, data={715:0}, data={715:0}, i2c_msg={729:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={715:-27}, state={715:-27}, state->i2c={18446744073709550930:18446744073709550929}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp={721:0}, tmp___0=0, verbose={703:0}] [L4202] CALL, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(arg2)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, arg0={18446744073709550930:18446744073709550929}, arg1={729:0}, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L16393] return __VERIFIER_nondet_int(); [L4202] RET, EXPR i2c_transfer(state->i2c, & i2c_msg, 1) VAL [\old(count)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \old(reg)=61739, __builtin_alloca(sizeof(*buf) * __lengthofbuf)={721:0}, __len=1, __lengthofbuf=3, __ret={730:2}, buf={730:0}, config={18446744073709550934:-135}, count=1, data={715:0}, data={715:0}, i2c_msg={729:0}, i2c_transfer(state->i2c, & i2c_msg, 1)=722, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, reg=61739, state={715:-27}, state={715:-27}, state->i2c={18446744073709550930:18446744073709550929}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp={721:0}, tmp___0=0, verbose={703:0}] [L4202] ret = i2c_transfer(state->i2c, & i2c_msg, 1) [L4203] COND TRUE ret != 1 [L4204] COND TRUE ret != -512 [L4205] EXPR \read(verbose) [L4205] verbose != 0U && verbose != 0U [L4205] COND FALSE !(verbose != 0U && verbose != 0U) [L4209] EXPR \read(verbose) [L4209] verbose > 1U && verbose != 0U [L4209] COND FALSE !(verbose > 1U && verbose != 0U) [L4213] EXPR \read(verbose) [L4213] verbose > 2U && verbose != 0U [L4213] COND FALSE !(verbose > 2U && verbose != 0U) [L4217] EXPR \read(verbose) [L4217] verbose > 3U && verbose != 0U [L4217] COND FALSE !(verbose > 3U && verbose != 0U) [L4224] return (ret < 0 ? ret : -121); [L4224] return (ret < 0 ? ret : -121); [L4224] return (ret < 0 ? ret : -121); [L4234] RET, EXPR stv090x_write_regs(state, reg, & data, 1U) [L4234] tmp = stv090x_write_regs(state, reg, & data, 1U) [L4235] return (tmp); [L4235] return (tmp); [L4284] RET, EXPR stv090x_write_reg(state, 61739U, (int )((u8 )reg)) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550910, \read(verbose)=18446744073709550895, \read(verbose)=18446744073709550906, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550965, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550924, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550927, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550925, reg=4294967042, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, stv090x_write_reg(state, 61739U, (int )((u8 )reg))=-121, tmp=-512, tmp___1=-512, verbose={703:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4284] tmp___2 = stv090x_write_reg(state, 61739U, (int )((u8 )reg)) [L4285] tmp___4 = tmp___2 < 0 VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550910, \read(verbose)=18446744073709550895, \read(verbose)=18446744073709550906, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550965, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550924, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550927, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550925, reg=4294967042, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=-512, tmp___1=-512, tmp___2=-121, tmp___4=1, verbose={703:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4290] COND TRUE \read(tmp___4) VAL [\old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550910, \read(verbose)=18446744073709550895, \read(verbose)=18446744073709550906, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550965, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550924, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550927, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550925, reg=4294967042, state={715:-27}, state={715:-27}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=-512, tmp___1=-512, tmp___2=-121, tmp___4=1, verbose={703:0}, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose > 3U=0] [L4332] EXPR \read(verbose) [L4332] verbose != 0U && verbose != 0U [L4332] COND FALSE !(verbose != 0U && verbose != 0U) [L4335] EXPR \read(verbose) [L4335] verbose > 1U && verbose != 0U [L4335] COND FALSE !(verbose > 1U && verbose != 0U) [L4338] EXPR \read(verbose) [L4338] verbose > 2U && verbose != 0U [L4338] COND FALSE !(verbose > 2U && verbose != 0U) [L4341] EXPR \read(verbose) [L4341] verbose > 3U && verbose != 0U [L4341] COND FALSE !(verbose > 3U && verbose != 0U) [L4345] EXPR state->config [L4345] EXPR (state->config)->tuner_i2c_lock VAL [(state->config)->tuner_i2c_lock={18446744073709550890:726}, \old(enable)=1, \old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, \read(verbose)=18446744073709550910, \read(verbose)=18446744073709550938, \read(verbose)=18446744073709550964, \read(verbose)=18446744073709550895, \read(verbose)=18446744073709550953, \read(verbose)=18446744073709550906, enable=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, printk("\016%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550965, printk("\016%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550921, printk("\017%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550924, printk("\017%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550916, printk("\r%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550927, printk("\r%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550894, printk("\v%s: Enable Gate\n", "stv090x_i2c_gate_ctrl")=18446744073709550925, printk("\v%s: I/O error\n", "stv090x_i2c_gate_ctrl")=18446744073709550922, reg=4294967042, state={715:-27}, state={715:-27}, state->config={18446744073709550934:-135}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, tmp=-512, tmp___1=-512, tmp___2=-121, tmp___4=1, verbose={703:0}, verbose > 1U && verbose != 0U=0, verbose > 1U && verbose > 3U=0, verbose > 2U && verbose != 0U=0, verbose > 2U && verbose > 3U=0, verbose > 3U && verbose != 0U=0, verbose > 3U && verbose > 3U=0] [L4345-L4346] COND FALSE !((unsigned long )(state->config)->tuner_i2c_lock != (unsigned long )((void (* )(struct dvb_frontend * , int ))0)) [L4349] EXPR state->internal [L4349] CALL ldv_mutex_unlock_8(& (state->internal)->tuner_lock) [L15821] CALL ldv_mutex_unlock_tuner_lock_of_stv090x_internal(ldv_func_arg1) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, lock={18446744073709550943:-159}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L16348] COND FALSE !(ldv_mutex_tuner_lock_of_stv090x_internal == 2) VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, lock={18446744073709550943:-159}, lock={18446744073709550943:-159}, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L16350] CALL ldv_error() VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] [L15918] reach_error() VAL [\old(ldv_mutex_demod_lock_of_stv090x_internal)=1, \old(ldv_mutex_tuner_lock_of_stv090x_internal)=1, LDV_IN_INTERRUPT=1, ldv_mutex_demod_lock_of_stv090x_internal=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_tuner_lock_of_stv090x_internal=1, stv0900_cut20_val={708:0}, stv0900_initval={702:0}, stv0903_cut20_val={700:0}, stv0903_initval={713:0}, stv090x_first_dev={0:0}, stv090x_ops={698:0}, stv090x_rf_tab={697:0}, stv090x_s1cn_tab={712:0}, stv090x_s2_apsk_crl_cut20={705:0}, stv090x_s2_apsk_crl_cut30={704:0}, stv090x_s2_crl_cut20={699:0}, stv090x_s2_crl_cut30={701:0}, stv090x_s2_lowqpsk_crl_cut20={710:0}, stv090x_s2_lowqpsk_crl_cut30={711:0}, stv090x_s2_short_crl_cut20={706:0}, stv090x_s2_short_crl_cut30={709:0}, stv090x_s2cn_tab={707:0}, verbose={703:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 4209 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 233.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 55.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 26766 SdHoareTripleChecker+Valid, 50.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26718 mSDsluCounter, 105214 SdHoareTripleChecker+Invalid, 48.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52673 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5894 IncrementalHoareTripleChecker+Invalid, 5954 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 52541 mSDtfsCounter, 5894 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11116occurred in iteration=8, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 50 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 100.7s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8061 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 13/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 06:48:43,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:48:46,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:48:46,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:48:46,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:48:46,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:48:46,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:48:46,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:48:46,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:48:46,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:48:46,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:48:46,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:48:46,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:48:46,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:48:46,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:48:46,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:48:46,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:48:46,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:48:46,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:48:46,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:48:46,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:48:46,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:48:46,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:48:46,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:48:46,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:48:46,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:48:46,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:48:46,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:48:46,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:48:46,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:48:46,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:48:46,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:48:46,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:48:46,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:48:46,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:48:46,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:48:46,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:48:46,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:48:46,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:48:46,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:48:46,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:48:46,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:48:46,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 06:48:46,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:48:46,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:48:46,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:48:46,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:48:46,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:48:46,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:48:46,528 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:48:46,529 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:48:46,529 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:48:46,529 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:48:46,529 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:48:46,529 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:48:46,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:48:46,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:48:46,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:48:46,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:48:46,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:48:46,531 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:48:46,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:48:46,531 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:48:46,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:48:46,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:48:46,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:48:46,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:48:46,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:48:46,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:48:46,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:48:46,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:48:46,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:48:46,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:48:46,533 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:48:46,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:48:46,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:48:46,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:48:46,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:48:46,534 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_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83231938a54e9ae94bbb1bd48018cfe01091365ca5db88cfd1292dc620f78e56 [2022-11-19 06:48:46,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:48:46,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:48:46,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:48:46,974 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:48:46,979 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:48:46,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-19 06:48:47,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/4daebdf8d/09a414dca550462680e4e72d540f0768/FLAG4648dfd13 [2022-11-19 06:48:48,022 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:48:48,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-19 06:48:48,101 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/4daebdf8d/09a414dca550462680e4e72d540f0768/FLAG4648dfd13 [2022-11-19 06:48:48,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/data/4daebdf8d/09a414dca550462680e4e72d540f0768 [2022-11-19 06:48:48,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:48:48,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:48:48,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:48:48,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:48:48,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:48:48,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:48:48" (1/1) ... [2022-11-19 06:48:48,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d1068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:48, skipping insertion in model container [2022-11-19 06:48:48,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:48:48" (1/1) ... [2022-11-19 06:48:48,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:48:48,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:48:50,877 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-19 06:48:50,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:48:51,118 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 06:48:51,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:48:51,929 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-19 06:48:51,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:48:52,025 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:48:52,731 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[419026,419039] [2022-11-19 06:48:52,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:48:52,875 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:48:52,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52 WrapperNode [2022-11-19 06:48:52,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:48:52,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:48:52,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:48:52,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:48:52,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:53,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:53,427 INFO L138 Inliner]: procedures = 180, calls = 6963, calls flagged for inlining = 68, calls inlined = 55, statements flattened = 15729 [2022-11-19 06:48:53,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:48:53,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:48:53,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:48:53,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:48:53,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:53,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:53,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:53,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:53,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:54,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:54,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:54,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:54,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:48:54,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:48:54,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:48:54,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:48:54,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (1/1) ... [2022-11-19 06:48:54,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:48:54,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:48:54,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:48:54,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:48:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev [2022-11-19 06:48:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev [2022-11-19 06:48:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_vitclk_ctl [2022-11-19 06:48:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_vitclk_ctl [2022-11-19 06:48:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-19 06:48:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 06:48:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 06:48:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_burst [2022-11-19 06:48:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_burst [2022-11-19 06:48:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_i2c_gate_ctrl [2022-11-19 06:48:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_i2c_gate_ctrl [2022-11-19 06:48:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 06:48:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:48:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:48:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_srate [2022-11-19 06:48:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_srate [2022-11-19 06:48:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_per [2022-11-19 06:48:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_per [2022-11-19 06:48:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-19 06:48:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_demod_lock_of_stv090x_internal [2022-11-19 06:48:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod [2022-11-19 06:48:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod [2022-11-19 06:48:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-19 06:48:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-19 06:48:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_dvbs_track_crl [2022-11-19 06:48:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_dvbs_track_crl [2022-11-19 06:48:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:48:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:48:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_viterbi [2022-11-19 06:48:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_viterbi [2022-11-19 06:48:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_signal_strength [2022-11-19 06:48:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_signal_strength [2022-11-19 06:48:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 06:48:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 06:48:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_send_diseqc_msg [2022-11-19 06:48:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_send_diseqc_msg [2022-11-19 06:48:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-19 06:48:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~C_INT [2022-11-19 06:48:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:48:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:48:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-19 06:48:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thacq [2022-11-19 06:48:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thacq [2022-11-19 06:48:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_car_width [2022-11-19 06:48:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_car_width [2022-11-19 06:48:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-19 06:48:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-19 06:48:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_recv_slave_reply [2022-11-19 06:48:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_recv_slave_reply [2022-11-19 06:48:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-19 06:48:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-19 06:48:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-19 06:48:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-19 06:48:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:48:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:48:54,390 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_init [2022-11-19 06:48:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_init [2022-11-19 06:48:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-19 06:48:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_demod_lock_of_stv090x_internal [2022-11-19 06:48:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 06:48:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 06:48:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_dmdlock [2022-11-19 06:48:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_dmdlock [2022-11-19 06:48:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:48:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:48:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:48:54,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-19 06:48:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tuner_lock_of_stv090x_internal [2022-11-19 06:48:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_sleep [2022-11-19 06:48:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_sleep [2022-11-19 06:48:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-19 06:48:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-19 06:48:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-19 06:48:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_reg [2022-11-19 06:48:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_reg [2022-11-19 06:48:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_signal [2022-11-19 06:48:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_signal [2022-11-19 06:48:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-19 06:48:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:48:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure comp2 [2022-11-19 06:48:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure comp2 [2022-11-19 06:48:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure remove_dev [2022-11-19 06:48:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_dev [2022-11-19 06:48:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_search [2022-11-19 06:48:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_search [2022-11-19 06:48:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_write_reg [2022-11-19 06:48:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_write_reg [2022-11-19 06:48:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_frontend_algo [2022-11-19 06:48:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_frontend_algo [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_status [2022-11-19 06:48:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_status [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-19 06:48:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_vit_thtracq [2022-11-19 06:48:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_vit_thtracq [2022-11-19 06:48:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 06:48:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 06:48:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_chk_tmg [2022-11-19 06:48:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_chk_tmg [2022-11-19 06:48:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_read_cnr [2022-11-19 06:48:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_read_cnr [2022-11-19 06:48:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_set_srate [2022-11-19 06:48:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_set_srate [2022-11-19 06:48:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_activate_modcod_single [2022-11-19 06:48:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_activate_modcod_single [2022-11-19 06:48:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-19 06:48:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-19 06:48:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-19 06:48:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_viterbi [2022-11-19 06:48:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_viterbi [2022-11-19 06:48:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_mclk [2022-11-19 06:48:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_mclk [2022-11-19 06:48:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:48:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:48:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure stv090x_get_lock_tmg [2022-11-19 06:48:54,399 INFO L138 BoogieDeclarations]: Found implementation of procedure stv090x_get_lock_tmg [2022-11-19 06:48:55,803 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:48:55,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:49:42,503 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:49:42,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:49:42,554 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:49:42,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:49:42 BoogieIcfgContainer [2022-11-19 06:49:42,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:49:42,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:49:42,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:49:42,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:49:42,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:48:48" (1/3) ... [2022-11-19 06:49:42,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b59f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:49:42, skipping insertion in model container [2022-11-19 06:49:42,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:48:52" (2/3) ... [2022-11-19 06:49:42,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b59f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:49:42, skipping insertion in model container [2022-11-19 06:49:42,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:49:42" (3/3) ... [2022-11-19 06:49:42,572 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--dvb-frontends--stv090x.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2022-11-19 06:49:42,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:49:42,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:49:42,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:49:42,761 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52cd762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:49:42,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:49:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 5285 states, 3942 states have (on average 1.5273972602739727) internal successors, (6021), 3954 states have internal predecessors, (6021), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) [2022-11-19 06:49:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 06:49:42,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:42,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:49:42,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:42,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:42,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1382088780, now seen corresponding path program 1 times [2022-11-19 06:49:42,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:42,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141026438] [2022-11-19 06:49:42,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:42,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:42,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:42,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 06:49:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:50,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 4901 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:49:50,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:49:50,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:49:50,087 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:49:50,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141026438] [2022-11-19 06:49:50,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141026438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:50,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:49:50,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:49:50,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303587484] [2022-11-19 06:49:50,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:50,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:50,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:49:50,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:50,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:49:50,144 INFO L87 Difference]: Start difference. First operand has 5285 states, 3942 states have (on average 1.5273972602739727) internal successors, (6021), 3954 states have internal predecessors, (6021), 1293 states have call successors, (1293), 48 states have call predecessors, (1293), 48 states have return successors, (1293), 1292 states have call predecessors, (1293), 1293 states have call successors, (1293) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:49:51,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:51,154 INFO L93 Difference]: Finished difference Result 10628 states and 17359 transitions. [2022-11-19 06:49:51,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:51,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-19 06:49:51,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:51,243 INFO L225 Difference]: With dead ends: 10628 [2022-11-19 06:49:51,243 INFO L226 Difference]: Without dead ends: 5342 [2022-11-19 06:49:51,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:49:51,329 INFO L413 NwaCegarLoop]: 8595 mSDtfsCounter, 8327 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8327 SdHoareTripleChecker+Valid, 8948 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:51,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8327 Valid, 8948 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:49:51,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2022-11-19 06:49:52,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 5340. [2022-11-19 06:49:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5340 states, 3992 states have (on average 1.528056112224449) internal successors, (6100), 4000 states have internal predecessors, (6100), 1295 states have call successors, (1295), 53 states have call predecessors, (1295), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-19 06:49:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5340 states to 5340 states and 8684 transitions. [2022-11-19 06:49:53,050 INFO L78 Accepts]: Start accepts. Automaton has 5340 states and 8684 transitions. Word has length 8 [2022-11-19 06:49:53,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:53,050 INFO L495 AbstractCegarLoop]: Abstraction has 5340 states and 8684 transitions. [2022-11-19 06:49:53,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:49:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 5340 states and 8684 transitions. [2022-11-19 06:49:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 06:49:53,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:53,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:49:53,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:53,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:53,267 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:53,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:53,268 INFO L85 PathProgramCache]: Analyzing trace with hash -107421905, now seen corresponding path program 1 times [2022-11-19 06:49:53,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:53,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476491179] [2022-11-19 06:49:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:53,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:53,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:53,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:53,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 06:50:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:00,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 4902 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:00,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:00,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:00,744 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:00,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476491179] [2022-11-19 06:50:00,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476491179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:00,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:50:00,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:50:00,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466821303] [2022-11-19 06:50:00,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:00,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:00,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:00,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:00,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:00,749 INFO L87 Difference]: Start difference. First operand 5340 states and 8684 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:50:01,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:01,619 INFO L93 Difference]: Finished difference Result 5342 states and 8685 transitions. [2022-11-19 06:50:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:01,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 06:50:01,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:01,674 INFO L225 Difference]: With dead ends: 5342 [2022-11-19 06:50:01,674 INFO L226 Difference]: Without dead ends: 5339 [2022-11-19 06:50:01,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:01,683 INFO L413 NwaCegarLoop]: 8586 mSDtfsCounter, 8581 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8581 SdHoareTripleChecker+Valid, 8586 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:01,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8581 Valid, 8586 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:50:01,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2022-11-19 06:50:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 5339. [2022-11-19 06:50:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5339 states, 3992 states have (on average 1.527805611222445) internal successors, (6099), 3999 states have internal predecessors, (6099), 1294 states have call successors, (1294), 53 states have call predecessors, (1294), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-19 06:50:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 5339 states and 8682 transitions. [2022-11-19 06:50:03,036 INFO L78 Accepts]: Start accepts. Automaton has 5339 states and 8682 transitions. Word has length 9 [2022-11-19 06:50:03,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:03,039 INFO L495 AbstractCegarLoop]: Abstraction has 5339 states and 8682 transitions. [2022-11-19 06:50:03,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:50:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5339 states and 8682 transitions. [2022-11-19 06:50:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 06:50:03,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:03,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:03,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:03,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:03,242 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:03,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:03,243 INFO L85 PathProgramCache]: Analyzing trace with hash 962391983, now seen corresponding path program 1 times [2022-11-19 06:50:03,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:03,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748333494] [2022-11-19 06:50:03,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:03,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:03,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:03,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 06:50:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:10,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 4903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:10,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:10,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:10,872 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:10,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748333494] [2022-11-19 06:50:10,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748333494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:10,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:50:10,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:50:10,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598118648] [2022-11-19 06:50:10,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:10,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:10,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:10,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:10,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:10,875 INFO L87 Difference]: Start difference. First operand 5339 states and 8682 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:50:11,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:11,619 INFO L93 Difference]: Finished difference Result 5341 states and 8683 transitions. [2022-11-19 06:50:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:11,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 06:50:11,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:11,679 INFO L225 Difference]: With dead ends: 5341 [2022-11-19 06:50:11,680 INFO L226 Difference]: Without dead ends: 5338 [2022-11-19 06:50:11,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:11,689 INFO L413 NwaCegarLoop]: 8584 mSDtfsCounter, 8578 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8578 SdHoareTripleChecker+Valid, 8584 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:11,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8578 Valid, 8584 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:50:11,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5338 states. [2022-11-19 06:50:13,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5338 to 5338. [2022-11-19 06:50:13,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5338 states, 3992 states have (on average 1.527555110220441) internal successors, (6098), 3998 states have internal predecessors, (6098), 1293 states have call successors, (1293), 53 states have call predecessors, (1293), 52 states have return successors, (1289), 1288 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-19 06:50:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5338 states to 5338 states and 8680 transitions. [2022-11-19 06:50:13,220 INFO L78 Accepts]: Start accepts. Automaton has 5338 states and 8680 transitions. Word has length 10 [2022-11-19 06:50:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:13,221 INFO L495 AbstractCegarLoop]: Abstraction has 5338 states and 8680 transitions. [2022-11-19 06:50:13,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:50:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5338 states and 8680 transitions. [2022-11-19 06:50:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 06:50:13,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:13,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:13,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:13,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:13,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:13,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:13,436 INFO L85 PathProgramCache]: Analyzing trace with hash -233110990, now seen corresponding path program 1 times [2022-11-19 06:50:13,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:13,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207102728] [2022-11-19 06:50:13,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:13,445 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:13,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:13,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:13,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 06:50:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:20,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 4904 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:20,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:20,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:20,433 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:20,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207102728] [2022-11-19 06:50:20,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207102728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:20,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:50:20,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:50:20,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516091792] [2022-11-19 06:50:20,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:20,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:20,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:20,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:20,437 INFO L87 Difference]: Start difference. First operand 5338 states and 8680 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:50:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:21,748 INFO L93 Difference]: Finished difference Result 15992 states and 26146 transitions. [2022-11-19 06:50:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:21,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-19 06:50:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:21,866 INFO L225 Difference]: With dead ends: 15992 [2022-11-19 06:50:21,867 INFO L226 Difference]: Without dead ends: 10653 [2022-11-19 06:50:21,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:21,930 INFO L413 NwaCegarLoop]: 9979 mSDtfsCounter, 8606 mSDsluCounter, 8606 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8606 SdHoareTripleChecker+Valid, 18585 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:21,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8606 Valid, 18585 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:50:21,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10653 states. [2022-11-19 06:50:24,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10653 to 10649. [2022-11-19 06:50:24,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10649 states, 7967 states have (on average 1.5283042550520898) internal successors, (12176), 7977 states have internal predecessors, (12176), 2579 states have call successors, (2579), 104 states have call predecessors, (2579), 102 states have return successors, (2653), 2571 states have call predecessors, (2653), 2573 states have call successors, (2653) [2022-11-19 06:50:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10649 states to 10649 states and 17408 transitions. [2022-11-19 06:50:24,256 INFO L78 Accepts]: Start accepts. Automaton has 10649 states and 17408 transitions. Word has length 11 [2022-11-19 06:50:24,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:24,257 INFO L495 AbstractCegarLoop]: Abstraction has 10649 states and 17408 transitions. [2022-11-19 06:50:24,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:50:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 10649 states and 17408 transitions. [2022-11-19 06:50:24,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 06:50:24,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:24,275 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:50:24,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:24,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:24,499 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:24,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:24,499 INFO L85 PathProgramCache]: Analyzing trace with hash 905480995, now seen corresponding path program 1 times [2022-11-19 06:50:24,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:24,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657430908] [2022-11-19 06:50:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:24,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:24,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:24,506 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:24,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 06:50:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:31,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 5392 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:50:31,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:31,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:31,991 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:31,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657430908] [2022-11-19 06:50:31,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1657430908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:31,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:50:31,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:50:31,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520349979] [2022-11-19 06:50:31,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:31,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:50:31,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:31,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:50:31,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:50:31,994 INFO L87 Difference]: Start difference. First operand 10649 states and 17408 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-19 06:50:33,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:33,237 INFO L93 Difference]: Finished difference Result 21398 states and 35062 transitions. [2022-11-19 06:50:33,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:50:33,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2022-11-19 06:50:33,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:33,326 INFO L225 Difference]: With dead ends: 21398 [2022-11-19 06:50:33,327 INFO L226 Difference]: Without dead ends: 10752 [2022-11-19 06:50:33,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:50:33,454 INFO L413 NwaCegarLoop]: 8580 mSDtfsCounter, 127 mSDsluCounter, 17109 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 25689 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:33,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 25689 Invalid, 97 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [30 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:50:33,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10752 states. [2022-11-19 06:50:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10752 to 10750. [2022-11-19 06:50:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10750 states, 8051 states have (on average 1.5281331511613465) internal successors, (12303), 8061 states have internal predecessors, (12303), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 104 states have return successors, (2668), 2586 states have call predecessors, (2668), 2588 states have call successors, (2668) [2022-11-19 06:50:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10750 states to 10750 states and 17565 transitions. [2022-11-19 06:50:35,507 INFO L78 Accepts]: Start accepts. Automaton has 10750 states and 17565 transitions. Word has length 68 [2022-11-19 06:50:35,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:35,508 INFO L495 AbstractCegarLoop]: Abstraction has 10750 states and 17565 transitions. [2022-11-19 06:50:35,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-19 06:50:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 10750 states and 17565 transitions. [2022-11-19 06:50:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-19 06:50:35,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:35,517 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:50:35,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:35,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:35,731 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:35,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:35,731 INFO L85 PathProgramCache]: Analyzing trace with hash 845521871, now seen corresponding path program 1 times [2022-11-19 06:50:35,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:35,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203567659] [2022-11-19 06:50:35,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:35,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:35,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:35,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:35,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-19 06:50:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:44,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 5416 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 06:50:44,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:50:44,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:44,787 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:44,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203567659] [2022-11-19 06:50:44,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203567659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:44,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:50:44,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:50:44,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000789922] [2022-11-19 06:50:44,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:44,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:44,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:44,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:44,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:44,789 INFO L87 Difference]: Start difference. First operand 10750 states and 17565 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:50:46,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:48,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:50:49,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:49,618 INFO L93 Difference]: Finished difference Result 21501 states and 36963 transitions. [2022-11-19 06:50:49,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:49,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 77 [2022-11-19 06:50:49,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:49,711 INFO L225 Difference]: With dead ends: 21501 [2022-11-19 06:50:49,711 INFO L226 Difference]: Without dead ends: 10754 [2022-11-19 06:50:49,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:50:49,863 INFO L413 NwaCegarLoop]: 8584 mSDtfsCounter, 0 mSDsluCounter, 8580 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17164 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:49,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17164 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-19 06:50:49,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10754 states. [2022-11-19 06:50:51,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10754 to 10754. [2022-11-19 06:50:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 8055 states have (on average 1.527870887647424) internal successors, (12307), 8065 states have internal predecessors, (12307), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 104 states have return successors, (2668), 2586 states have call predecessors, (2668), 2588 states have call successors, (2668) [2022-11-19 06:50:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 17569 transitions. [2022-11-19 06:50:51,975 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 17569 transitions. Word has length 77 [2022-11-19 06:50:51,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:51,975 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 17569 transitions. [2022-11-19 06:50:51,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:50:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 17569 transitions. [2022-11-19 06:50:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-19 06:50:51,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:51,981 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:50:52,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:52,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:52,203 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:52,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1770687193, now seen corresponding path program 1 times [2022-11-19 06:50:52,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:52,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607032708] [2022-11-19 06:50:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:52,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:52,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:52,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:52,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-19 06:51:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:51:01,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 5532 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 06:51:01,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:51:01,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 06:51:01,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:51:01,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:51:01,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607032708] [2022-11-19 06:51:01,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607032708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:51:01,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:51:01,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:51:01,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202923138] [2022-11-19 06:51:01,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:51:01,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:51:01,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:51:01,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:51:01,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:51:01,989 INFO L87 Difference]: Start difference. First operand 10754 states and 17569 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:51:04,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:51:05,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:51:07,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:51:07,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:51:07,826 INFO L93 Difference]: Finished difference Result 21509 states and 36971 transitions. [2022-11-19 06:51:07,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:51:07,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 78 [2022-11-19 06:51:07,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:51:07,937 INFO L225 Difference]: With dead ends: 21509 [2022-11-19 06:51:07,938 INFO L226 Difference]: Without dead ends: 10758 [2022-11-19 06:51:08,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:51:08,121 INFO L413 NwaCegarLoop]: 8581 mSDtfsCounter, 36 mSDsluCounter, 17124 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 25705 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:51:08,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 25705 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-11-19 06:51:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10758 states. [2022-11-19 06:51:10,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10758 to 10758. [2022-11-19 06:51:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10758 states, 8059 states have (on average 1.5276088844769822) internal successors, (12311), 8069 states have internal predecessors, (12311), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 104 states have return successors, (2668), 2586 states have call predecessors, (2668), 2588 states have call successors, (2668) [2022-11-19 06:51:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10758 states to 10758 states and 17573 transitions. [2022-11-19 06:51:10,240 INFO L78 Accepts]: Start accepts. Automaton has 10758 states and 17573 transitions. Word has length 78 [2022-11-19 06:51:10,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:51:10,241 INFO L495 AbstractCegarLoop]: Abstraction has 10758 states and 17573 transitions. [2022-11-19 06:51:10,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:51:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 10758 states and 17573 transitions. [2022-11-19 06:51:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-19 06:51:10,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:51:10,257 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:51:10,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-19 06:51:10,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:51:10,479 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:51:10,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:51:10,479 INFO L85 PathProgramCache]: Analyzing trace with hash 409169809, now seen corresponding path program 1 times [2022-11-19 06:51:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:51:10,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489536316] [2022-11-19 06:51:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:51:10,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:51:10,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:51:10,490 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:51:10,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-19 06:51:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:51:20,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 5545 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:51:20,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:51:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 06:51:20,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:51:20,670 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:51:20,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489536316] [2022-11-19 06:51:20,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489536316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:51:20,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:51:20,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:51:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036381931] [2022-11-19 06:51:20,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:51:20,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:51:20,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:51:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:51:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:51:20,673 INFO L87 Difference]: Start difference. First operand 10758 states and 17573 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-19 06:51:22,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:51:27,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:51:27,964 INFO L93 Difference]: Finished difference Result 21555 states and 37063 transitions. [2022-11-19 06:51:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:51:27,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2022-11-19 06:51:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:51:28,052 INFO L225 Difference]: With dead ends: 21555 [2022-11-19 06:51:28,052 INFO L226 Difference]: Without dead ends: 10800 [2022-11-19 06:51:28,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:51:28,146 INFO L413 NwaCegarLoop]: 8611 mSDtfsCounter, 11 mSDsluCounter, 33632 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 42243 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:51:28,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42243 Invalid, 819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-19 06:51:28,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10800 states. [2022-11-19 06:51:31,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10800 to 10774. [2022-11-19 06:51:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10774 states, 8072 states have (on average 1.526759167492567) internal successors, (12324), 8081 states have internal predecessors, (12324), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 107 states have return successors, (4242), 2590 states have call predecessors, (4242), 2588 states have call successors, (4242) [2022-11-19 06:51:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10774 states to 10774 states and 19160 transitions. [2022-11-19 06:51:31,732 INFO L78 Accepts]: Start accepts. Automaton has 10774 states and 19160 transitions. Word has length 79 [2022-11-19 06:51:31,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:51:31,733 INFO L495 AbstractCegarLoop]: Abstraction has 10774 states and 19160 transitions. [2022-11-19 06:51:31,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-19 06:51:31,733 INFO L276 IsEmpty]: Start isEmpty. Operand 10774 states and 19160 transitions. [2022-11-19 06:51:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-19 06:51:31,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:51:31,739 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:51:31,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-19 06:51:31,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:51:31,955 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:51:31,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:51:31,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1294044403, now seen corresponding path program 1 times [2022-11-19 06:51:31,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:51:31,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548499352] [2022-11-19 06:51:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:51:31,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:51:31,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:51:31,964 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:51:32,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-19 06:51:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:51:41,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 5545 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:51:41,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:51:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 06:51:41,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:51:41,462 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:51:41,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548499352] [2022-11-19 06:51:41,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548499352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:51:41,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:51:41,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:51:41,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580905098] [2022-11-19 06:51:41,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:51:41,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:51:41,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:51:41,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:51:41,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:51:41,464 INFO L87 Difference]: Start difference. First operand 10774 states and 19160 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-19 06:51:43,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:51:48,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:51:48,636 INFO L93 Difference]: Finished difference Result 21579 states and 38658 transitions. [2022-11-19 06:51:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:51:48,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2022-11-19 06:51:48,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:51:48,722 INFO L225 Difference]: With dead ends: 21579 [2022-11-19 06:51:48,722 INFO L226 Difference]: Without dead ends: 10808 [2022-11-19 06:51:48,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:51:48,799 INFO L413 NwaCegarLoop]: 8604 mSDtfsCounter, 11 mSDsluCounter, 33607 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 42211 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:51:48,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 42211 Invalid, 819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-19 06:51:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10808 states. [2022-11-19 06:51:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10808 to 10778. [2022-11-19 06:51:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 8076 states have (on average 1.5264982664685487) internal successors, (12328), 8081 states have internal predecessors, (12328), 2594 states have call successors, (2594), 106 states have call predecessors, (2594), 107 states have return successors, (4242), 2594 states have call predecessors, (4242), 2588 states have call successors, (4242) [2022-11-19 06:51:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 19164 transitions. [2022-11-19 06:51:52,099 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 19164 transitions. Word has length 79 [2022-11-19 06:51:52,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:51:52,100 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 19164 transitions. [2022-11-19 06:51:52,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-19 06:51:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 19164 transitions. [2022-11-19 06:51:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 06:51:52,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:51:52,106 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:51:52,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-19 06:51:52,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:51:52,319 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:51:52,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:51:52,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1239860732, now seen corresponding path program 1 times [2022-11-19 06:51:52,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:51:52,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808091900] [2022-11-19 06:51:52,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:51:52,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:51:52,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:51:52,333 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:51:52,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-19 06:51:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:00,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 5519 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 06:52:00,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:52:01,061 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:52:01,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 108 treesize of output 42 [2022-11-19 06:52:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 06:52:01,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:52:01,105 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:52:01,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808091900] [2022-11-19 06:52:01,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808091900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:01,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:01,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:52:01,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337961482] [2022-11-19 06:52:01,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:01,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:52:01,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:52:01,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:52:01,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:52:01,108 INFO L87 Difference]: Start difference. First operand 10778 states and 19164 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:52:04,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:06,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:07,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:10,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:28,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:33,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:33,263 INFO L93 Difference]: Finished difference Result 21718 states and 38619 transitions. [2022-11-19 06:52:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:52:33,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2022-11-19 06:52:33,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:33,367 INFO L225 Difference]: With dead ends: 21718 [2022-11-19 06:52:33,368 INFO L226 Difference]: Without dead ends: 10943 [2022-11-19 06:52:33,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:52:33,479 INFO L413 NwaCegarLoop]: 8612 mSDtfsCounter, 191 mSDsluCounter, 15774 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 24386 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:33,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 24386 Invalid, 1500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1493 Invalid, 3 Unknown, 0 Unchecked, 31.4s Time] [2022-11-19 06:52:33,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10943 states. [2022-11-19 06:52:36,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10943 to 10890. [2022-11-19 06:52:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10890 states, 8152 states have (on average 1.525269872423945) internal successors, (12434), 8169 states have internal predecessors, (12434), 2620 states have call successors, (2620), 119 states have call predecessors, (2620), 117 states have return successors, (4278), 2605 states have call predecessors, (4278), 2614 states have call successors, (4278) [2022-11-19 06:52:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10890 states to 10890 states and 19332 transitions. [2022-11-19 06:52:36,886 INFO L78 Accepts]: Start accepts. Automaton has 10890 states and 19332 transitions. Word has length 73 [2022-11-19 06:52:36,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:36,886 INFO L495 AbstractCegarLoop]: Abstraction has 10890 states and 19332 transitions. [2022-11-19 06:52:36,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:52:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 10890 states and 19332 transitions. [2022-11-19 06:52:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-19 06:52:36,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:36,894 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:52:37,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-19 06:52:37,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:52:37,107 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:37,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:37,107 INFO L85 PathProgramCache]: Analyzing trace with hash 547936002, now seen corresponding path program 1 times [2022-11-19 06:52:37,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:52:37,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868054152] [2022-11-19 06:52:37,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:37,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:52:37,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:52:37,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:52:37,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-19 06:54:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:05,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 5549 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-19 06:54:05,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:54:07,792 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:54:07,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2022-11-19 06:54:08,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2022-11-19 06:54:08,129 INFO L321 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-11-19 06:54:08,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 33 [2022-11-19 06:54:08,220 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:54:08,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2022-11-19 06:54:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:08,606 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:54:08,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 73 [2022-11-19 06:54:08,774 INFO L321 Elim1Store]: treesize reduction 17, result has 45.2 percent of original size [2022-11-19 06:54:08,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 46 [2022-11-19 06:54:08,884 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:54:08,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 62 [2022-11-19 06:54:09,274 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:54:09,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 38 [2022-11-19 06:54:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:54:09,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:54:09,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:54:09,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868054152] [2022-11-19 06:54:09,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868054152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:09,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:09,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:54:09,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752457026] [2022-11-19 06:54:09,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:09,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:54:09,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:54:09,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:54:09,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=37, Unknown=1, NotChecked=0, Total=56 [2022-11-19 06:54:09,335 INFO L87 Difference]: Start difference. First operand 10890 states and 19332 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-19 06:54:12,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:15,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:17,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:19,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:21,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:24,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:26,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:28,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:30,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:51,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:53,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:55:03,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:55:05,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:55:15,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:55:15,992 INFO L93 Difference]: Finished difference Result 21786 states and 38889 transitions. [2022-11-19 06:55:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 06:55:15,993 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 81 [2022-11-19 06:55:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:55:16,097 INFO L225 Difference]: With dead ends: 21786 [2022-11-19 06:55:16,098 INFO L226 Difference]: Without dead ends: 11009 [2022-11-19 06:55:16,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=72, Unknown=3, NotChecked=0, Total=110 [2022-11-19 06:55:16,185 INFO L413 NwaCegarLoop]: 8569 mSDtfsCounter, 380 mSDsluCounter, 33158 mSDsCounter, 0 mSdLazyCounter, 4423 mSolverCounterSat, 164 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 41727 SdHoareTripleChecker+Invalid, 7516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 4423 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 2917 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:55:16,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 41727 Invalid, 7516 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [164 Valid, 4423 Invalid, 12 Unknown, 2917 Unchecked, 65.2s Time] [2022-11-19 06:55:16,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11009 states. [2022-11-19 06:55:19,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11009 to 10984. [2022-11-19 06:55:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10984 states, 8210 states have (on average 1.5235079171741779) internal successors, (12508), 8237 states have internal predecessors, (12508), 2650 states have call successors, (2650), 130 states have call predecessors, (2650), 123 states have return successors, (4329), 2620 states have call predecessors, (4329), 2644 states have call successors, (4329) [2022-11-19 06:55:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10984 states to 10984 states and 19487 transitions. [2022-11-19 06:55:19,605 INFO L78 Accepts]: Start accepts. Automaton has 10984 states and 19487 transitions. Word has length 81 [2022-11-19 06:55:19,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:55:19,606 INFO L495 AbstractCegarLoop]: Abstraction has 10984 states and 19487 transitions. [2022-11-19 06:55:19,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-19 06:55:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand 10984 states and 19487 transitions. [2022-11-19 06:55:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-19 06:55:19,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:55:19,615 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:55:19,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-19 06:55:19,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:55:19,839 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:55:19,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:55:19,840 INFO L85 PathProgramCache]: Analyzing trace with hash -418471948, now seen corresponding path program 1 times [2022-11-19 06:55:19,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:55:19,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861100596] [2022-11-19 06:55:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:55:19,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:55:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:55:19,852 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:55:19,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06d2e2d8-cf71-4c31-8050-49c13bce8f29/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process