./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7 --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 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:04:53,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:04:53,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:04:53,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:04:53,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:04:53,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:04:53,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:04:53,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:04:53,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:04:53,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:04:53,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:04:53,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:04:53,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:04:53,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:04:53,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:04:53,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:04:53,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:04:53,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:04:53,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:04:53,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:04:53,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:04:53,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:04:53,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:04:53,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:04:53,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:04:53,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:04:53,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:04:53,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:04:53,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:04:53,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:04:53,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:04:53,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:04:53,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:04:53,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:04:53,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:04:53,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:04:53,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:04:53,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:04:53,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:04:53,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:04:53,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:04:53,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:04:54,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:04:54,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:04:54,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:04:54,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:04:54,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:04:54,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:04:54,007 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:04:54,007 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:04:54,007 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:04:54,008 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:04:54,009 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:04:54,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:04:54,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:04:54,010 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:04:54,010 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:04:54,010 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:04:54,010 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:04:54,010 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:04:54,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:04:54,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:04:54,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:04:54,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:04:54,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:04:54,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:04:54,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:04:54,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:04:54,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:04:54,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:04:54,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:04:54,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:04:54,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:04:54,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:04:54,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:04:54,017 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:04:54,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:04:54,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:04:54,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:04:54,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:04:54,018 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600276f17a788d89542ab4bc1cb35a7ee9259aa7d76b73bd966dc12f7082896c [2021-11-25 20:04:54,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:04:54,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:04:54,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:04:54,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:04:54,308 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:04:54,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-25 20:04:54,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/data/abb5c65f9/ed099c69e4e242e4be289279841d2b2c/FLAG825972b07 [2021-11-25 20:04:55,642 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:04:55,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-25 20:04:55,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/data/abb5c65f9/ed099c69e4e242e4be289279841d2b2c/FLAG825972b07 [2021-11-25 20:04:55,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/data/abb5c65f9/ed099c69e4e242e4be289279841d2b2c [2021-11-25 20:04:55,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:04:55,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:04:55,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:04:55,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:04:55,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:04:55,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:04:55" (1/1) ... [2021-11-25 20:04:55,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6814bf9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:04:55, skipping insertion in model container [2021-11-25 20:04:55,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:04:55" (1/1) ... [2021-11-25 20:04:55,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:04:56,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:05:06,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-25 20:05:07,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:05:07,621 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:05:08,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/sv-benchmarks/c/ldv-linux-3.7.3/main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i[722028,722041] [2021-11-25 20:05:08,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:05:09,658 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:05:09,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09 WrapperNode [2021-11-25 20:05:09,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:05:09,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:05:09,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:05:09,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:05:09,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:09,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,352 INFO L137 Inliner]: procedures = 1046, calls = 9656, calls flagged for inlining = 360, calls inlined = 140, statements flattened = 6940 [2021-11-25 20:05:10,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:05:10,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:05:10,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:05:10,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:05:10,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:05:10,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:05:10,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:05:10,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:05:10,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (1/1) ... [2021-11-25 20:05:10,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:05:10,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:05:10,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:05:10,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd1f70f6-462c-451e-a92d-2e27f94ad399/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:05:11,000 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dummy_query_bo_prepare [2021-11-25 20:05:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dummy_query_bo_prepare [2021-11-25 20:05:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_destroy [2021-11-25 20:05:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_destroy [2021-11-25 20:05:11,001 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-11-25 20:05:11,001 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-11-25 20:05:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_init [2021-11-25 20:05:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_init [2021-11-25 20:05:11,002 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-25 20:05:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-25 20:05:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 20:05:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 20:05:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_set_config [2021-11-25 20:05:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_set_config [2021-11-25 20:05:11,003 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_backoff_reservation [2021-11-25 20:05:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_backoff_reservation [2021-11-25 20:05:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mtrr_del [2021-11-25 20:05:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mtrr_del [2021-11-25 20:05:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_move_buffer [2021-11-25 20:05:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_move_buffer [2021-11-25 20:05:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_firstopen [2021-11-25 20:05:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_firstopen [2021-11-25 20:05:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_lastclose [2021-11-25 20:05:11,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_lastclose [2021-11-25 20:05:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_pause_all [2021-11-25 20:05:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_pause_all [2021-11-25 20:05:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_surface_destroy [2021-11-25 20:05:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_surface_destroy [2021-11-25 20:05:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_destroy [2021-11-25 20:05:11,006 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_destroy [2021-11-25 20:05:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:05:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:05:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-25 20:05:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 20:05:11,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 20:05:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 20:05:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 20:05:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unreserve [2021-11-25 20:05:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unreserve [2021-11-25 20:05:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 20:05:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 20:05:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2021-11-25 20:05:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2021-11-25 20:05:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:05:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:05:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_free [2021-11-25 20:05:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_free [2021-11-25 20:05:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-25 20:05:11,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram_or_gmr [2021-11-25 20:05:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2021-11-25 20:05:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2021-11-25 20:05:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-25 20:05:11,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-25 20:05:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:05:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_commit_list [2021-11-25 20:05:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_commit_list [2021-11-25 20:05:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hw_mutex [2021-11-25 20:05:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hw_mutex [2021-11-25 20:05:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_emit_dummy_query [2021-11-25 20:05:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_emit_dummy_query [2021-11-25 20:05:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_context_destroy [2021-11-25 20:05:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_context_destroy [2021-11-25 20:05:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_del_active [2021-11-25 20:05:11,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_del_active [2021-11-25 20:05:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_alloc [2021-11-25 20:05:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_alloc [2021-11-25 20:05:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_destroy [2021-11-25 20:05:11,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_destroy [2021-11-25 20:05:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-25 20:05:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-25 20:05:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_release [2021-11-25 20:05:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_release [2021-11-25 20:05:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_init [2021-11-25 20:05:11,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_init [2021-11-25 20:05:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:05:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_add [2021-11-25 20:05:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_add [2021-11-25 20:05:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_complete [2021-11-25 20:05:11,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_complete [2021-11-25 20:05:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_destroy [2021-11-25 20:05:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_destroy [2021-11-25 20:05:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 20:05:11,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 20:05:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dma_buffer [2021-11-25 20:05:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dma_buffer [2021-11-25 20:05:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:05:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_image [2021-11-25 20:05:11,018 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_image [2021-11-25 20:05:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_display_unit_cleanup [2021-11-25 20:05:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_display_unit_cleanup [2021-11-25 20:05:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:05:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:05:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_destroy [2021-11-25 20:05:11,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_destroy [2021-11-25 20:05:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_context_base_release [2021-11-25 20:05:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_context_base_release [2021-11-25 20:05:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_passed [2021-11-25 20:05:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_passed [2021-11-25 20:05:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-25 20:05:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-25 20:05:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_have_pitchlock [2021-11-25 20:05:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_have_pitchlock [2021-11-25 20:05:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-25 20:05:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-25 20:05:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_stream_destroy [2021-11-25 20:05:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_stream_destroy [2021-11-25 20:05:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:05:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:05:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_write [2021-11-25 20:05:11,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_write [2021-11-25 20:05:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-25 20:05:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-25 20:05:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_wait [2021-11-25 20:05:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_wait [2021-11-25 20:05:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_close [2021-11-25 20:05:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_close [2021-11-25 20:05:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 20:05:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 20:05:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:05:11,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:05:11,024 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_write_svga [2021-11-25 20:05:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_write_svga [2021-11-25 20:05:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_release_mutex [2021-11-25 20:05:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_release_mutex [2021-11-25 20:05:11,025 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_init [2021-11-25 20:05:11,025 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_init [2021-11-25 20:05:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fallback_wait [2021-11-25 20:05:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fallback_wait [2021-11-25 20:05:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:05:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_reference [2021-11-25 20:05:11,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_reference [2021-11-25 20:05:11,026 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-11-25 20:05:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-11-25 20:05:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_hw_surface_destroy [2021-11-25 20:05:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_hw_surface_destroy [2021-11-25 20:05:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 20:05:11,027 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 20:05:11,027 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 20:05:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 20:05:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_reserve [2021-11-25 20:05:11,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_reserve [2021-11-25 20:05:11,028 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 20:05:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 20:05:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_off [2021-11-25 20:05:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_off [2021-11-25 20:05:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 20:05:11,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 20:05:11,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:05:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:05:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_lock [2021-11-25 20:05:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_lock [2021-11-25 20:05:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_dec [2021-11-25 20:05:11,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_dec [2021-11-25 20:05:11,030 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 20:05:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 20:05:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_device_release [2021-11-25 20:05:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_device_release [2021-11-25 20:05:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:05:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 20:05:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 20:05:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-25 20:05:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:05:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-25 20:05:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-25 20:05:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-25 20:05:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-25 20:05:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_global_release [2021-11-25 20:05:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_global_release [2021-11-25 20:05:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 20:05:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 20:05:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:05:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:05:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 20:05:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 20:05:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_add_active [2021-11-25 20:05:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_add_active [2021-11-25 20:05:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fpriv [2021-11-25 20:05:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fpriv [2021-11-25 20:05:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-25 20:05:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-25 20:05:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_reserve_buffers [2021-11-25 20:05:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_reserve_buffers [2021-11-25 20:05:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2021-11-25 20:05:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2021-11-25 20:05:11,035 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_start_of_vram [2021-11-25 20:05:11,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_start_of_vram [2021-11-25 20:05:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 20:05:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 20:05:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_set_par [2021-11-25 20:05:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_set_par [2021-11-25 20:05:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_populate [2021-11-25 20:05:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmdbuf_mutex [2021-11-25 20:05:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmdbuf_mutex [2021-11-25 20:05:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmdbuf_mutex [2021-11-25 20:05:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmdbuf_mutex [2021-11-25 20:05:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_crtc_destroy [2021-11-25 20:05:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_crtc_destroy [2021-11-25 20:05:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_clean_mm [2021-11-25 20:05:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_clean_mm [2021-11-25 20:05:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_stop [2021-11-25 20:05:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_stop [2021-11-25 20:05:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:05:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure drm_vblank_cleanup [2021-11-25 20:05:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_vblank_cleanup [2021-11-25 20:05:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-25 20:05:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-25 20:05:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:05:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:05:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_unref [2021-11-25 20:05:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_unref [2021-11-25 20:05:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_create [2021-11-25 20:05:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_create [2021-11-25 20:05:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_resource_unreference [2021-11-25 20:05:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_resource_unreference [2021-11-25 20:05:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-25 20:05:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-25 20:05:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_get_guest_ptr [2021-11-25 20:05:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_get_guest_ptr [2021-11-25 20:05:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_placement [2021-11-25 20:05:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_placement [2021-11-25 20:05:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 20:05:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 20:05:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_update [2021-11-25 20:05:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_update [2021-11-25 20:05:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sync_obj_unref [2021-11-25 20:05:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sync_obj_unref [2021-11-25 20:05:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_crtc_set_config [2021-11-25 20:05:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_crtc_set_config [2021-11-25 20:05:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-25 20:05:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-25 20:05:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 20:05:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 20:05:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-25 20:05:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-25 20:05:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_is_full [2021-11-25 20:05:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_is_full [2021-11-25 20:05:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_send_put [2021-11-25 20:05:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_send_put [2021-11-25 20:05:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_marker_pull [2021-11-25 20:05:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_marker_pull [2021-11-25 20:05:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_cleanup [2021-11-25 20:05:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_cleanup [2021-11-25 20:05:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 20:05:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 20:05:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_update_seqno [2021-11-25 20:05:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_update_seqno [2021-11-25 20:05:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fb_surf_mutex [2021-11-25 20:05:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fb_surf_mutex [2021-11-25 20:05:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 20:05:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 20:05:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2021-11-25 20:05:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2021-11-25 20:05:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fences_perform_actions [2021-11-25 20:05:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fences_perform_actions [2021-11-25 20:05:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_encoder_destroy [2021-11-25 20:05:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_encoder_destroy [2021-11-25 20:05:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure fill_flush [2021-11-25 20:05:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_flush [2021-11-25 20:05:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-11-25 20:05:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-11-25 20:05:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:05:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:05:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unreference [2021-11-25 20:05:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unreference [2021-11-25 20:05:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_unreference [2021-11-25 20:05:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_unreference [2021-11-25 20:05:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_eu_fence_buffer_objects [2021-11-25 20:05:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_eu_fence_buffer_objects [2021-11-25 20:05:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fifo_mutex [2021-11-25 20:05:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fifo_mutex [2021-11-25 20:05:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:05:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:05:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_wait [2021-11-25 20:05:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_wait [2021-11-25 20:05:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_prepare [2021-11-25 20:05:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_prepare [2021-11-25 20:05:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure drm_master_put [2021-11-25 20:05:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_master_put [2021-11-25 20:05:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 20:05:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 20:05:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_goal_irq_mutex [2021-11-25 20:05:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_goal_irq_mutex [2021-11-25 20:05:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_bo_pin [2021-11-25 20:05:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_bo_pin [2021-11-25 20:05:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:05:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 20:05:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 20:05:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_init [2021-11-25 20:05:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_init [2021-11-25 20:05:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2021-11-25 20:05:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2021-11-25 20:05:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_close [2021-11-25 20:05:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_close [2021-11-25 20:05:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:05:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_resume [2021-11-25 20:05:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_resume [2021-11-25 20:05:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:05:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:05:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2021-11-25 20:05:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2021-11-25 20:05:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:05:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fb_close [2021-11-25 20:05:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fb_close [2021-11-25 20:05:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ttm_unbind [2021-11-25 20:05:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ttm_unbind [2021-11-25 20:05:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-25 20:05:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-25 20:05:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_pm_suspend [2021-11-25 20:05:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_pm_suspend [2021-11-25 20:05:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:05:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:05:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_unpin [2021-11-25 20:05:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_unpin [2021-11-25 20:05:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_kms_restore_vga [2021-11-25 20:05:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_kms_restore_vga [2021-11-25 20:05:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_request_device [2021-11-25 20:05:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_request_device [2021-11-25 20:05:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_unreference [2021-11-25 20:05:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_unreference [2021-11-25 20:05:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-25 20:05:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-25 20:05:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 20:05:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 20:05:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-25 20:05:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-25 20:05:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_unref [2021-11-25 20:05:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_unref [2021-11-25 20:05:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_fifo_down [2021-11-25 20:05:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_fifo_down [2021-11-25 20:05:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_ldu_connector_destroy [2021-11-25 20:05:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_ldu_connector_destroy [2021-11-25 20:05:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_read [2021-11-25 20:05:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_read [2021-11-25 20:05:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-11-25 20:05:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-11-25 20:05:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:05:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:05:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:05:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:05:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_destroy_locked [2021-11-25 20:05:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_destroy_locked [2021-11-25 20:05:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_fifo_destroy [2021-11-25 20:05:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_fifo_destroy [2021-11-25 20:05:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_pool_unpopulate [2021-11-25 20:05:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_seqno_waiter_remove [2021-11-25 20:05:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_seqno_waiter_remove [2021-11-25 20:05:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_stream_base_release [2021-11-25 20:05:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_stream_base_release [2021-11-25 20:05:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_release_device [2021-11-25 20:05:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_release_device [2021-11-25 20:05:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2021-11-25 20:05:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2021-11-25 20:05:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_driver_unload [2021-11-25 20:05:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_driver_unload [2021-11-25 20:05:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fb_surf_mutex [2021-11-25 20:05:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fb_surf_mutex [2021-11-25 20:05:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 20:05:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 20:05:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-25 20:05:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-25 20:05:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_mem_global_free [2021-11-25 20:05:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_mem_global_free [2021-11-25 20:05:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_write_unlock [2021-11-25 20:05:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_write_unlock [2021-11-25 20:05:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-25 20:05:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-25 20:05:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:05:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_encode [2021-11-25 20:05:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_encode [2021-11-25 20:05:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_work_func [2021-11-25 20:05:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_work_func [2021-11-25 20:05:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_update_stream [2021-11-25 20:05:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_update_stream [2021-11-25 20:05:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reference [2021-11-25 20:05:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reference [2021-11-25 20:05:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-11-25 20:05:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-11-25 20:05:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_connector_destroy [2021-11-25 20:05:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_connector_destroy [2021-11-25 20:05:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_encoder_destroy [2021-11-25 20:05:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_encoder_destroy [2021-11-25 20:05:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_cursor_update_dmabuf [2021-11-25 20:05:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_cursor_update_dmabuf [2021-11-25 20:05:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 20:05:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 20:05:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 20:05:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 20:05:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_unpin [2021-11-25 20:05:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_unpin [2021-11-25 20:05:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_base_release [2021-11-25 20:05:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_base_release [2021-11-25 20:05:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-25 20:05:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~TO~~bool~0 [2021-11-25 20:05:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 20:05:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 20:05:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_release_mutex [2021-11-25 20:05:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_release_mutex [2021-11-25 20:05:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_3d_resource_inc [2021-11-25 20:05:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_3d_resource_inc [2021-11-25 20:05:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_stop [2021-11-25 20:05:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_stop [2021-11-25 20:05:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_priv [2021-11-25 20:05:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_priv [2021-11-25 20:05:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:05:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_goal_irq_mutex [2021-11-25 20:05:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_goal_irq_mutex [2021-11-25 20:05:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_commit [2021-11-25 20:05:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_commit [2021-11-25 20:05:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2021-11-25 20:05:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 20:05:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 20:05:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hw_mutex [2021-11-25 20:05:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hw_mutex [2021-11-25 20:05:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_event_fence_action_cleanup [2021-11-25 20:05:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_event_fence_action_cleanup [2021-11-25 20:05:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_unpin_panic [2021-11-25 20:05:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_unpin_panic [2021-11-25 20:05:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_sou_backing_alloc [2021-11-25 20:05:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_sou_backing_alloc [2021-11-25 20:05:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_obj_signaled [2021-11-25 20:05:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_obj_signaled [2021-11-25 20:05:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_overlay_resume_all [2021-11-25 20:05:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_overlay_resume_all [2021-11-25 20:05:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_reserve [2021-11-25 20:05:11,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_reserve [2021-11-25 20:05:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_idle [2021-11-25 20:05:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_idle [2021-11-25 20:05:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_reference [2021-11-25 20:05:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_reference [2021-11-25 20:05:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:05:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:05:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_base_object_unref [2021-11-25 20:05:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_base_object_unref [2021-11-25 20:05:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_master [2021-11-25 20:05:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_master [2021-11-25 20:05:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_fence_create [2021-11-25 20:05:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_fence_create [2021-11-25 20:05:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_dmabuf_to_vram [2021-11-25 20:05:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_dmabuf_to_vram [2021-11-25 20:05:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_remove [2021-11-25 20:05:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_remove [2021-11-25 20:05:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_surface_destroy_size [2021-11-25 20:05:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_surface_destroy_size [2021-11-25 20:05:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2021-11-25 20:05:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2021-11-25 20:05:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_framebuffer_dmabuf_pin [2021-11-25 20:05:11,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_framebuffer_dmabuf_pin [2021-11-25 20:05:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-25 20:05:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-25 20:05:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-11-25 20:05:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-11-25 20:05:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_user_surface_base_release [2021-11-25 20:05:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_user_surface_base_release [2021-11-25 20:05:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_mem_glob [2021-11-25 20:05:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_mem_glob [2021-11-25 20:05:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_fence_commands [2021-11-25 20:05:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_fence_commands [2021-11-25 20:05:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_ping_host [2021-11-25 20:05:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_ping_host [2021-11-25 20:05:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_object_device_release [2021-11-25 20:05:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_object_device_release [2021-11-25 20:05:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_release [2021-11-25 20:05:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_release [2021-11-25 20:05:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-25 20:05:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-25 20:05:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fifo_send_fence [2021-11-25 20:05:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fifo_send_fence [2021-11-25 20:05:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure fill_escape [2021-11-25 20:05:11,080 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_escape [2021-11-25 20:05:11,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_fence_manager_takedown [2021-11-25 20:05:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_fence_manager_takedown [2021-11-25 20:05:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:05:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:05:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure vmw_execbuf_release_pinned_bo [2021-11-25 20:05:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vmw_execbuf_release_pinned_bo [2021-11-25 20:05:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-25 20:05:11,081 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-25 20:05:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:05:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:05:11,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:05:11,082 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2021-11-25 20:05:11,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2021-11-25 20:05:12,392 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:05:12,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:06:05,303 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:06:06,768 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:06:06,768 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:06:06,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:06 BoogieIcfgContainer [2021-11-25 20:06:06,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:06:06,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:06:06,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:06:06,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:06:06,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:04:55" (1/3) ... [2021-11-25 20:06:06,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e52673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:06:06, skipping insertion in model container [2021-11-25 20:06:06,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:05:09" (2/3) ... [2021-11-25 20:06:06,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e52673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:06:06, skipping insertion in model container [2021-11-25 20:06:06,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:06:06" (3/3) ... [2021-11-25 20:06:06,786 INFO L111 eAbstractionObserver]: Analyzing ICFG main17_drivers-gpu-drm-vmwgfx-vmwgfx-ko--32_7a--linux-3.5.i [2021-11-25 20:06:06,795 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:06:06,795 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:06:06,875 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:06:06,883 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:06:06,883 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:06:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 2711 states, 1519 states have (on average 1.2633311389071757) internal successors, (1919), 1638 states have internal predecessors, (1919), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) [2021-11-25 20:06:06,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 20:06:06,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:06,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:06,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:06,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:06,983 INFO L85 PathProgramCache]: Analyzing trace with hash 87355337, now seen corresponding path program 1 times [2021-11-25 20:06:06,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:06,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373530753] [2021-11-25 20:06:06,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:06,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:08,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:08,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:08,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373530753] [2021-11-25 20:06:08,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373530753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:08,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:08,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:06:08,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710763517] [2021-11-25 20:06:08,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:08,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:08,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:08,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:08,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:08,166 INFO L87 Difference]: Start difference. First operand has 2711 states, 1519 states have (on average 1.2633311389071757) internal successors, (1919), 1638 states have internal predecessors, (1919), 960 states have call successors, (960), 230 states have call predecessors, (960), 230 states have return successors, (960), 931 states have call predecessors, (960), 960 states have call successors, (960) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:10,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:14,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:17,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:18,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:18,796 INFO L93 Difference]: Finished difference Result 8004 states and 12008 transitions. [2021-11-25 20:06:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:18,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-11-25 20:06:18,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:18,884 INFO L225 Difference]: With dead ends: 8004 [2021-11-25 20:06:18,884 INFO L226 Difference]: Without dead ends: 5242 [2021-11-25 20:06:18,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:18,927 INFO L933 BasicCegarLoop]: 4917 mSDtfsCounter, 3839 mSDsluCounter, 3833 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3841 SdHoareTripleChecker+Valid, 8490 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:18,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3841 Valid, 8490 Invalid, 579 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 571 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2021-11-25 20:06:18,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2021-11-25 20:06:19,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 5223. [2021-11-25 20:06:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5223 states, 2917 states have (on average 1.246828933836133) internal successors, (3637), 3122 states have internal predecessors, (3637), 1855 states have call successors, (1855), 454 states have call predecessors, (1855), 450 states have return successors, (2073), 1766 states have call predecessors, (2073), 1825 states have call successors, (2073) [2021-11-25 20:06:19,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 7565 transitions. [2021-11-25 20:06:19,490 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 7565 transitions. Word has length 10 [2021-11-25 20:06:19,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:19,491 INFO L470 AbstractCegarLoop]: Abstraction has 5223 states and 7565 transitions. [2021-11-25 20:06:19,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:19,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 7565 transitions. [2021-11-25 20:06:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 20:06:19,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:19,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:19,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:06:19,495 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:19,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:19,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1588777528, now seen corresponding path program 1 times [2021-11-25 20:06:19,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:19,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439591950] [2021-11-25 20:06:19,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:19,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:20,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:20,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439591950] [2021-11-25 20:06:20,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439591950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:20,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:20,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:06:20,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524132012] [2021-11-25 20:06:20,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:20,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:20,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:20,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:20,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:20,112 INFO L87 Difference]: Start difference. First operand 5223 states and 7565 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:22,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:23,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:27,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:29,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:29,834 INFO L93 Difference]: Finished difference Result 5340 states and 7709 transitions. [2021-11-25 20:06:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:29,835 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), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-25 20:06:29,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:29,882 INFO L225 Difference]: With dead ends: 5340 [2021-11-25 20:06:29,883 INFO L226 Difference]: Without dead ends: 5337 [2021-11-25 20:06:29,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:29,888 INFO L933 BasicCegarLoop]: 3515 mSDtfsCounter, 3737 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:29,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3741 Valid, 3634 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 3 Unknown, 0 Unchecked, 9.5s Time] [2021-11-25 20:06:29,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2021-11-25 20:06:30,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 5330. [2021-11-25 20:06:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5330 states, 2978 states have (on average 1.2458025520483547) internal successors, (3710), 3187 states have internal predecessors, (3710), 1883 states have call successors, (1883), 471 states have call predecessors, (1883), 468 states have return successors, (2104), 1795 states have call predecessors, (2104), 1854 states have call successors, (2104) [2021-11-25 20:06:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 7697 transitions. [2021-11-25 20:06:30,282 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 7697 transitions. Word has length 11 [2021-11-25 20:06:30,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:30,283 INFO L470 AbstractCegarLoop]: Abstraction has 5330 states and 7697 transitions. [2021-11-25 20:06:30,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 7697 transitions. [2021-11-25 20:06:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 20:06:30,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:30,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:30,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:06:30,285 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:30,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:30,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2009283924, now seen corresponding path program 1 times [2021-11-25 20:06:30,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:30,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876661871] [2021-11-25 20:06:30,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:30,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:30,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:30,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876661871] [2021-11-25 20:06:30,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876661871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:30,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:30,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:06:30,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867416877] [2021-11-25 20:06:30,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:30,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:30,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:30,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:30,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:30,786 INFO L87 Difference]: Start difference. First operand 5330 states and 7697 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:32,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:37,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:40,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:41,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:41,486 INFO L93 Difference]: Finished difference Result 10491 states and 16174 transitions. [2021-11-25 20:06:41,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:41,486 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), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-25 20:06:41,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:41,591 INFO L225 Difference]: With dead ends: 10491 [2021-11-25 20:06:41,592 INFO L226 Difference]: Without dead ends: 10487 [2021-11-25 20:06:41,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:41,602 INFO L933 BasicCegarLoop]: 4646 mSDtfsCounter, 3854 mSDsluCounter, 3841 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 8228 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:41,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3856 Valid, 8228 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 535 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2021-11-25 20:06:41,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10487 states. [2021-11-25 20:06:42,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10487 to 10462. [2021-11-25 20:06:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10462 states, 5857 states have (on average 1.2455181833703262) internal successors, (7295), 6246 states have internal predecessors, (7295), 3693 states have call successors, (3693), 918 states have call predecessors, (3693), 911 states have return successors, (5156), 3541 states have call predecessors, (5156), 3662 states have call successors, (5156) [2021-11-25 20:06:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10462 states to 10462 states and 16144 transitions. [2021-11-25 20:06:42,609 INFO L78 Accepts]: Start accepts. Automaton has 10462 states and 16144 transitions. Word has length 12 [2021-11-25 20:06:42,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:42,609 INFO L470 AbstractCegarLoop]: Abstraction has 10462 states and 16144 transitions. [2021-11-25 20:06:42,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 10462 states and 16144 transitions. [2021-11-25 20:06:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:06:42,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:42,611 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:42,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:06:42,612 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:42,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:42,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2134891851, now seen corresponding path program 1 times [2021-11-25 20:06:42,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:42,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287418128] [2021-11-25 20:06:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:42,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:43,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:43,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287418128] [2021-11-25 20:06:43,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287418128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:43,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:43,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:06:43,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202781020] [2021-11-25 20:06:43,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:43,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:43,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:43,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:43,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:43,088 INFO L87 Difference]: Start difference. First operand 10462 states and 16144 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:45,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:49,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:52,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:06:53,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:06:53,039 INFO L93 Difference]: Finished difference Result 30436 states and 55042 transitions. [2021-11-25 20:06:53,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:06:53,040 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), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-11-25 20:06:53,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:06:53,229 INFO L225 Difference]: With dead ends: 30436 [2021-11-25 20:06:53,229 INFO L226 Difference]: Without dead ends: 19978 [2021-11-25 20:06:53,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:53,386 INFO L933 BasicCegarLoop]: 4594 mSDtfsCounter, 3614 mSDsluCounter, 3810 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 8145 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:06:53,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3614 Valid, 8145 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 542 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2021-11-25 20:06:53,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19978 states. [2021-11-25 20:06:55,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19978 to 19939. [2021-11-25 20:06:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19939 states, 11154 states have (on average 1.243769051461359) internal successors, (13873), 11908 states have internal predecessors, (13873), 6996 states have call successors, (6996), 1806 states have call predecessors, (6996), 1788 states have return successors, (13958), 6688 states have call predecessors, (13958), 6924 states have call successors, (13958) [2021-11-25 20:06:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19939 states to 19939 states and 34827 transitions. [2021-11-25 20:06:55,459 INFO L78 Accepts]: Start accepts. Automaton has 19939 states and 34827 transitions. Word has length 13 [2021-11-25 20:06:55,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:06:55,459 INFO L470 AbstractCegarLoop]: Abstraction has 19939 states and 34827 transitions. [2021-11-25 20:06:55,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:55,459 INFO L276 IsEmpty]: Start isEmpty. Operand 19939 states and 34827 transitions. [2021-11-25 20:06:55,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 20:06:55,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:06:55,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:06:55,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:06:55,461 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:06:55,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:06:55,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1755326863, now seen corresponding path program 1 times [2021-11-25 20:06:55,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:06:55,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794235111] [2021-11-25 20:06:55,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:06:55,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:06:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:06:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:06:55,902 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:06:55,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794235111] [2021-11-25 20:06:55,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794235111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:06:55,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:06:55,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:06:55,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839756025] [2021-11-25 20:06:55,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:06:55,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:06:55,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:06:55,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:06:55,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:06:55,906 INFO L87 Difference]: Start difference. First operand 19939 states and 34827 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:06:58,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:01,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:05,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:07,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:07:07,040 INFO L93 Difference]: Finished difference Result 39451 states and 84715 transitions. [2021-11-25 20:07:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:07:07,040 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), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-11-25 20:07:07,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:07:07,630 INFO L225 Difference]: With dead ends: 39451 [2021-11-25 20:07:07,630 INFO L226 Difference]: Without dead ends: 39447 [2021-11-25 20:07:07,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:07:07,659 INFO L933 BasicCegarLoop]: 4661 mSDtfsCounter, 3821 mSDsluCounter, 3847 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3823 SdHoareTripleChecker+Valid, 8249 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:07:07,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3823 Valid, 8249 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 545 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2021-11-25 20:07:07,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39447 states. [2021-11-25 20:07:12,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39447 to 39416. [2021-11-25 20:07:12,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39416 states, 22071 states have (on average 1.2436681618413303) internal successors, (27449), 23537 states have internal predecessors, (27449), 13812 states have call successors, (13812), 3582 states have call predecessors, (13812), 3532 states have return successors, (43412), 13212 states have call predecessors, (43412), 13696 states have call successors, (43412) [2021-11-25 20:07:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39416 states to 39416 states and 84673 transitions. [2021-11-25 20:07:13,869 INFO L78 Accepts]: Start accepts. Automaton has 39416 states and 84673 transitions. Word has length 14 [2021-11-25 20:07:13,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:07:13,870 INFO L470 AbstractCegarLoop]: Abstraction has 39416 states and 84673 transitions. [2021-11-25 20:07:13,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:07:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 39416 states and 84673 transitions. [2021-11-25 20:07:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:07:13,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:07:13,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:07:13,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:07:13,874 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:07:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:07:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1421248306, now seen corresponding path program 1 times [2021-11-25 20:07:13,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:07:13,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421310674] [2021-11-25 20:07:13,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:13,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:07:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:07:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:07:14,421 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:07:14,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421310674] [2021-11-25 20:07:14,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421310674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:07:14,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:07:14,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:07:14,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879794003] [2021-11-25 20:07:14,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:07:14,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:07:14,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:07:14,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:07:14,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:07:14,423 INFO L87 Difference]: Start difference. First operand 39416 states and 84673 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:07:16,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:18,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:20,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:23,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:26,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:31,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:07:31,238 INFO L93 Difference]: Finished difference Result 74271 states and 220698 transitions. [2021-11-25 20:07:31,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:07:31,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-25 20:07:31,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:07:32,810 INFO L225 Difference]: With dead ends: 74271 [2021-11-25 20:07:32,810 INFO L226 Difference]: Without dead ends: 74267 [2021-11-25 20:07:32,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:07:32,866 INFO L933 BasicCegarLoop]: 4508 mSDtfsCounter, 3662 mSDsluCounter, 3551 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 7813 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:07:32,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3662 Valid, 7813 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 527 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2021-11-25 20:07:32,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74267 states. [2021-11-25 20:07:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74267 to 74239. [2021-11-25 20:07:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74239 states, 41842 states have (on average 1.2476220065962431) internal successors, (52203), 44788 states have internal predecessors, (52203), 25500 states have call successors, (25500), 7098 states have call predecessors, (25500), 6896 states have return successors, (142948), 24052 states have call predecessors, (142948), 25304 states have call successors, (142948) [2021-11-25 20:07:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74239 states to 74239 states and 220651 transitions. [2021-11-25 20:07:48,945 INFO L78 Accepts]: Start accepts. Automaton has 74239 states and 220651 transitions. Word has length 15 [2021-11-25 20:07:48,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:07:48,945 INFO L470 AbstractCegarLoop]: Abstraction has 74239 states and 220651 transitions. [2021-11-25 20:07:48,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:07:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 74239 states and 220651 transitions. [2021-11-25 20:07:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:07:48,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:07:48,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:07:48,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:07:48,947 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:07:48,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:07:48,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1110825870, now seen corresponding path program 1 times [2021-11-25 20:07:48,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:07:48,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760799837] [2021-11-25 20:07:48,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:07:48,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:07:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:07:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:07:49,397 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:07:49,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760799837] [2021-11-25 20:07:49,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760799837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:07:49,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:07:49,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:07:49,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287644062] [2021-11-25 20:07:49,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:07:49,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:07:49,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:07:49,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:07:49,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:07:49,401 INFO L87 Difference]: Start difference. First operand 74239 states and 220651 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:07:51,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:55,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:07:57,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:08:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:08:01,629 INFO L93 Difference]: Finished difference Result 74248 states and 220721 transitions. [2021-11-25 20:08:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:08:01,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-25 20:08:01,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted.