./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.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_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/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_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/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_357fdb29-cf49-44d5-b699-1a0fa04987aa/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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:19:16,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:19:16,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:19:16,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:19:16,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:19:16,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:19:16,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:19:16,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:19:16,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:19:16,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:19:16,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:19:16,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:19:16,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:19:16,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:19:16,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:19:16,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:19:16,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:19:16,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:19:16,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:19:16,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:19:16,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:19:16,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:19:16,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:19:16,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:19:16,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:19:16,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:19:16,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:19:16,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:19:16,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:19:16,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:19:16,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:19:16,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:19:16,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:19:16,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:19:16,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:19:16,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:19:16,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:19:16,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:19:16,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:19:16,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:19:16,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:19:16,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:19:16,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:19:16,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:19:16,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:19:16,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:19:16,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:19:16,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:19:16,656 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:19:16,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:19:16,657 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:19:16,657 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:19:16,657 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:19:16,657 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:19:16,657 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:19:16,658 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:19:16,658 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:19:16,658 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:19:16,658 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:19:16,659 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:19:16,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:19:16,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:19:16,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:19:16,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:19:16,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:19:16,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:19:16,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:19:16,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:19:16,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:19:16,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:19:16,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:19:16,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:19:16,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:19:16,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:19:16,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:19:16,662 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:19:16,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:19:16,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:19:16,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:19:16,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:19:16,663 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_357fdb29-cf49-44d5-b699-1a0fa04987aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2021-11-25 20:19:16,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:19:16,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:19:16,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:19:16,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:19:16,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:19:16,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-25 20:19:17,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/data/be9777385/e78b875f37604fcdacf03202bcf06e48/FLAGa08d0b632 [2021-11-25 20:19:17,734 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:19:17,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-25 20:19:17,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/data/be9777385/e78b875f37604fcdacf03202bcf06e48/FLAGa08d0b632 [2021-11-25 20:19:17,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/data/be9777385/e78b875f37604fcdacf03202bcf06e48 [2021-11-25 20:19:17,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:19:17,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:19:17,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:19:17,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:19:17,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:19:17,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:19:17" (1/1) ... [2021-11-25 20:19:17,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30482d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:17, skipping insertion in model container [2021-11-25 20:19:17,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:19:17" (1/1) ... [2021-11-25 20:19:17,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:19:18,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:19:18,997 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_357fdb29-cf49-44d5-b699-1a0fa04987aa/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-25 20:19:19,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:19:19,117 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:19:19,302 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_357fdb29-cf49-44d5-b699-1a0fa04987aa/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-25 20:19:19,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:19:19,392 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:19:19,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19 WrapperNode [2021-11-25 20:19:19,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:19:19,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:19:19,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:19:19,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:19:19,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,564 INFO L137 Inliner]: procedures = 131, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1088 [2021-11-25 20:19:19,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:19:19,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:19:19,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:19:19,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:19:19,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:19:19,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:19:19,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:19:19,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:19:19,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (1/1) ... [2021-11-25 20:19:19,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:19:19,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:19,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:19:19,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:19:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-11-25 20:19:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-11-25 20:19:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-25 20:19:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-25 20:19:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-11-25 20:19:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-11-25 20:19:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-11-25 20:19:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-11-25 20:19:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:19:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-25 20:19:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-25 20:19:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:19:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:19:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2021-11-25 20:19:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2021-11-25 20:19:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2021-11-25 20:19:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2021-11-25 20:19:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:19:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 20:19:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 20:19:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 20:19:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 20:19:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2021-11-25 20:19:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2021-11-25 20:19:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 20:19:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 20:19:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:19:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:19:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:19:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:19:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:19:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 20:19:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 20:19:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 20:19:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 20:19:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:19:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2021-11-25 20:19:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2021-11-25 20:19:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:19:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:19:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-11-25 20:19:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-11-25 20:19:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2021-11-25 20:19:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2021-11-25 20:19:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:19:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:19:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2021-11-25 20:19:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2021-11-25 20:19:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2021-11-25 20:19:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2021-11-25 20:19:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-11-25 20:19:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-11-25 20:19:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:19:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:19:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-11-25 20:19:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-11-25 20:19:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-11-25 20:19:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-11-25 20:19:19,854 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 20:19:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 20:19:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2021-11-25 20:19:19,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2021-11-25 20:19:19,855 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-11-25 20:19:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-11-25 20:19:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2021-11-25 20:19:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2021-11-25 20:19:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:19:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 20:19:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 20:19:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:19:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:19:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-11-25 20:19:19,857 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-11-25 20:19:20,234 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:19:20,236 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:19:22,037 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:19:22,320 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:19:22,320 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:19:22,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:19:22 BoogieIcfgContainer [2021-11-25 20:19:22,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:19:22,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:19:22,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:19:22,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:19:22,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:19:17" (1/3) ... [2021-11-25 20:19:22,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad5c55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:19:22, skipping insertion in model container [2021-11-25 20:19:22,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:19:19" (2/3) ... [2021-11-25 20:19:22,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad5c55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:19:22, skipping insertion in model container [2021-11-25 20:19:22,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:19:22" (3/3) ... [2021-11-25 20:19:22,337 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-25 20:19:22,347 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:19:22,347 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:19:22,416 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:19:22,425 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 20:19:22,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:19:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 337 states, 219 states have (on average 1.4155251141552512) internal successors, (310), 229 states have internal predecessors, (310), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-11-25 20:19:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 20:19:22,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:22,493 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:22,494 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:22,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:22,499 INFO L85 PathProgramCache]: Analyzing trace with hash 42059501, now seen corresponding path program 1 times [2021-11-25 20:19:22,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:22,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671823918] [2021-11-25 20:19:22,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:22,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:22,843 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 20:19:22,844 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:22,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671823918] [2021-11-25 20:19:22,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671823918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:22,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:22,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:19:22,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470276635] [2021-11-25 20:19:22,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:22,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:22,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:22,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:22,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:22,898 INFO L87 Difference]: Start difference. First operand has 337 states, 219 states have (on average 1.4155251141552512) internal successors, (310), 229 states have internal predecessors, (310), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:19:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:23,454 INFO L93 Difference]: Finished difference Result 876 states and 1249 transitions. [2021-11-25 20:19:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:23,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-25 20:19:23,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:23,477 INFO L225 Difference]: With dead ends: 876 [2021-11-25 20:19:23,478 INFO L226 Difference]: Without dead ends: 536 [2021-11-25 20:19:23,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:23,489 INFO L933 BasicCegarLoop]: 508 mSDtfsCounter, 287 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:23,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 889 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 20:19:23,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-11-25 20:19:23,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 522. [2021-11-25 20:19:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 337 states have (on average 1.3857566765578635) internal successors, (467), 347 states have internal predecessors, (467), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2021-11-25 20:19:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 733 transitions. [2021-11-25 20:19:23,590 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 733 transitions. Word has length 13 [2021-11-25 20:19:23,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:23,591 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 733 transitions. [2021-11-25 20:19:23,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:19:23,591 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 733 transitions. [2021-11-25 20:19:23,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 20:19:23,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:23,593 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:23,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:19:23,594 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:23,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:23,595 INFO L85 PathProgramCache]: Analyzing trace with hash 911119646, now seen corresponding path program 1 times [2021-11-25 20:19:23,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:23,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278292039] [2021-11-25 20:19:23,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:23,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:23,765 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 20:19:23,765 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:23,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278292039] [2021-11-25 20:19:23,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278292039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:23,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:23,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:19:23,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205561811] [2021-11-25 20:19:23,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:23,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:23,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:23,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:23,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:23,770 INFO L87 Difference]: Start difference. First operand 522 states and 733 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:19:24,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:24,049 INFO L93 Difference]: Finished difference Result 1043 states and 1465 transitions. [2021-11-25 20:19:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:24,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-25 20:19:24,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:24,055 INFO L225 Difference]: With dead ends: 1043 [2021-11-25 20:19:24,056 INFO L226 Difference]: Without dead ends: 522 [2021-11-25 20:19:24,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:24,067 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 464 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:24,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 400 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:19:24,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-11-25 20:19:24,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2021-11-25 20:19:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 337 states have (on average 1.3798219584569733) internal successors, (465), 347 states have internal predecessors, (465), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2021-11-25 20:19:24,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 731 transitions. [2021-11-25 20:19:24,137 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 731 transitions. Word has length 15 [2021-11-25 20:19:24,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:24,138 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 731 transitions. [2021-11-25 20:19:24,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:19:24,141 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 731 transitions. [2021-11-25 20:19:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 20:19:24,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:24,142 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:24,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:19:24,143 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:24,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:24,144 INFO L85 PathProgramCache]: Analyzing trace with hash -648560382, now seen corresponding path program 1 times [2021-11-25 20:19:24,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:24,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878050476] [2021-11-25 20:19:24,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:24,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:24,231 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 20:19:24,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:24,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878050476] [2021-11-25 20:19:24,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878050476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:24,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:24,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:19:24,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953080837] [2021-11-25 20:19:24,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:24,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:24,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:24,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:24,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:24,235 INFO L87 Difference]: Start difference. First operand 522 states and 731 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:24,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:24,561 INFO L93 Difference]: Finished difference Result 1190 states and 1653 transitions. [2021-11-25 20:19:24,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:24,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-25 20:19:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:24,568 INFO L225 Difference]: With dead ends: 1190 [2021-11-25 20:19:24,568 INFO L226 Difference]: Without dead ends: 669 [2021-11-25 20:19:24,571 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 20:19:24,572 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 273 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:24,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 810 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:19:24,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-11-25 20:19:24,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2021-11-25 20:19:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 425 states have (on average 1.3552941176470588) internal successors, (576), 437 states have internal predecessors, (576), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-25 20:19:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 920 transitions. [2021-11-25 20:19:24,632 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 920 transitions. Word has length 17 [2021-11-25 20:19:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:24,633 INFO L470 AbstractCegarLoop]: Abstraction has 669 states and 920 transitions. [2021-11-25 20:19:24,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 920 transitions. [2021-11-25 20:19:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 20:19:24,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:24,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:24,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:19:24,640 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:24,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:24,641 INFO L85 PathProgramCache]: Analyzing trace with hash 2088890360, now seen corresponding path program 1 times [2021-11-25 20:19:24,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:24,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799684753] [2021-11-25 20:19:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:24,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:24,741 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 20:19:24,741 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:24,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799684753] [2021-11-25 20:19:24,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799684753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:24,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:24,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:19:24,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174327904] [2021-11-25 20:19:24,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:24,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:24,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:24,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:24,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:24,744 INFO L87 Difference]: Start difference. First operand 669 states and 920 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:19:25,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:25,060 INFO L93 Difference]: Finished difference Result 1334 states and 1836 transitions. [2021-11-25 20:19:25,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:25,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-25 20:19:25,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:25,065 INFO L225 Difference]: With dead ends: 1334 [2021-11-25 20:19:25,066 INFO L226 Difference]: Without dead ends: 675 [2021-11-25 20:19:25,068 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 20:19:25,069 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:25,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 802 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 20:19:25,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2021-11-25 20:19:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 671. [2021-11-25 20:19:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 427 states have (on average 1.3536299765807962) internal successors, (578), 439 states have internal predecessors, (578), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-25 20:19:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 922 transitions. [2021-11-25 20:19:25,110 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 922 transitions. Word has length 19 [2021-11-25 20:19:25,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:25,110 INFO L470 AbstractCegarLoop]: Abstraction has 671 states and 922 transitions. [2021-11-25 20:19:25,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:19:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 922 transitions. [2021-11-25 20:19:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 20:19:25,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:25,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:25,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:19:25,112 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:25,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:25,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1695383953, now seen corresponding path program 1 times [2021-11-25 20:19:25,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:25,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652172188] [2021-11-25 20:19:25,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:25,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:19:25,226 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:25,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652172188] [2021-11-25 20:19:25,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652172188] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:19:25,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849649828] [2021-11-25 20:19:25,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:25,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:25,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:25,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:19:25,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:19:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:25,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:19:25,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:19:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:19:25,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:19:25,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849649828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:25,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:19:25,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 20:19:25,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057393026] [2021-11-25 20:19:25,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:25,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:25,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:25,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:25,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:25,680 INFO L87 Difference]: Start difference. First operand 671 states and 922 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:25,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:25,893 INFO L93 Difference]: Finished difference Result 673 states and 923 transitions. [2021-11-25 20:19:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:25,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-25 20:19:25,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:25,899 INFO L225 Difference]: With dead ends: 673 [2021-11-25 20:19:25,899 INFO L226 Difference]: Without dead ends: 670 [2021-11-25 20:19:25,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:25,901 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 449 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:25,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 398 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:19:25,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2021-11-25 20:19:25,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2021-11-25 20:19:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 427 states have (on average 1.351288056206089) internal successors, (577), 438 states have internal predecessors, (577), 174 states have call successors, (174), 69 states have call predecessors, (174), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-25 20:19:25,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 920 transitions. [2021-11-25 20:19:25,951 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 920 transitions. Word has length 24 [2021-11-25 20:19:25,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:25,952 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 920 transitions. [2021-11-25 20:19:25,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:25,952 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 920 transitions. [2021-11-25 20:19:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 20:19:25,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:25,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:25,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:19:26,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:26,175 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:26,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1017544392, now seen corresponding path program 1 times [2021-11-25 20:19:26,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:26,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640294997] [2021-11-25 20:19:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:26,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:19:26,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:26,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640294997] [2021-11-25 20:19:26,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640294997] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:19:26,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705017184] [2021-11-25 20:19:26,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:26,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:26,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:26,310 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:19:26,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:19:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:26,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:19:26,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:19:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:19:26,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:19:26,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705017184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:26,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:19:26,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 20:19:26,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006585405] [2021-11-25 20:19:26,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:26,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:26,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:26,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:26,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:26,688 INFO L87 Difference]: Start difference. First operand 670 states and 920 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:26,881 INFO L93 Difference]: Finished difference Result 672 states and 921 transitions. [2021-11-25 20:19:26,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:26,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-11-25 20:19:26,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:26,886 INFO L225 Difference]: With dead ends: 672 [2021-11-25 20:19:26,887 INFO L226 Difference]: Without dead ends: 669 [2021-11-25 20:19:26,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:26,888 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 446 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:26,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 396 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:19:26,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-11-25 20:19:26,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2021-11-25 20:19:26,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 427 states have (on average 1.3489461358313817) internal successors, (576), 437 states have internal predecessors, (576), 173 states have call successors, (173), 69 states have call predecessors, (173), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-25 20:19:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 918 transitions. [2021-11-25 20:19:26,951 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 918 transitions. Word has length 25 [2021-11-25 20:19:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:26,953 INFO L470 AbstractCegarLoop]: Abstraction has 669 states and 918 transitions. [2021-11-25 20:19:26,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 918 transitions. [2021-11-25 20:19:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 20:19:26,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:26,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:26,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:19:27,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:27,171 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:27,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:27,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1479349614, now seen corresponding path program 1 times [2021-11-25 20:19:27,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:27,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301340494] [2021-11-25 20:19:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:27,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:19:27,248 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:27,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301340494] [2021-11-25 20:19:27,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301340494] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:19:27,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98092922] [2021-11-25 20:19:27,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:27,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:27,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:27,250 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:19:27,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:19:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:27,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:19:27,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:19:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:19:27,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:19:27,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98092922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:27,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:19:27,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 20:19:27,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805200735] [2021-11-25 20:19:27,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:27,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:27,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:27,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:27,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:27,617 INFO L87 Difference]: Start difference. First operand 669 states and 918 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:27,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:27,843 INFO L93 Difference]: Finished difference Result 671 states and 919 transitions. [2021-11-25 20:19:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:27,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-11-25 20:19:27,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:27,849 INFO L225 Difference]: With dead ends: 671 [2021-11-25 20:19:27,849 INFO L226 Difference]: Without dead ends: 668 [2021-11-25 20:19:27,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:27,851 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 443 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:27,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 394 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:19:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-11-25 20:19:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2021-11-25 20:19:27,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 427 states have (on average 1.3466042154566744) internal successors, (575), 436 states have internal predecessors, (575), 172 states have call successors, (172), 69 states have call predecessors, (172), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-25 20:19:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 916 transitions. [2021-11-25 20:19:27,899 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 916 transitions. Word has length 26 [2021-11-25 20:19:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:27,900 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 916 transitions. [2021-11-25 20:19:27,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 916 transitions. [2021-11-25 20:19:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 20:19:27,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:27,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:27,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:19:28,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:28,123 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:28,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1384562555, now seen corresponding path program 1 times [2021-11-25 20:19:28,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:28,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575553259] [2021-11-25 20:19:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:28,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:19:28,201 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:28,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575553259] [2021-11-25 20:19:28,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575553259] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:19:28,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974650317] [2021-11-25 20:19:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:28,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:28,203 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:19:28,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:19:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:28,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:19:28,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:19:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:19:28,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:19:28,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974650317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:28,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:19:28,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-25 20:19:28,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128514280] [2021-11-25 20:19:28,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:28,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:28,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:28,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:28,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:28,583 INFO L87 Difference]: Start difference. First operand 668 states and 916 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:28,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:28,878 INFO L93 Difference]: Finished difference Result 783 states and 1066 transitions. [2021-11-25 20:19:28,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:28,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-11-25 20:19:28,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:28,885 INFO L225 Difference]: With dead ends: 783 [2021-11-25 20:19:28,885 INFO L226 Difference]: Without dead ends: 762 [2021-11-25 20:19:28,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:28,887 INFO L933 BasicCegarLoop]: 448 mSDtfsCounter, 407 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:28,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 618 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:19:28,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2021-11-25 20:19:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2021-11-25 20:19:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 478 states have (on average 1.3242677824267783) internal successors, (633), 487 states have internal predecessors, (633), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2021-11-25 20:19:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1038 transitions. [2021-11-25 20:19:28,945 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1038 transitions. Word has length 27 [2021-11-25 20:19:28,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:28,946 INFO L470 AbstractCegarLoop]: Abstraction has 762 states and 1038 transitions. [2021-11-25 20:19:28,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:19:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1038 transitions. [2021-11-25 20:19:28,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 20:19:28,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:28,949 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:28,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 20:19:29,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:29,175 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:29,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1869532518, now seen corresponding path program 1 times [2021-11-25 20:19:29,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:29,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962169361] [2021-11-25 20:19:29,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:29,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:19:29,253 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:29,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962169361] [2021-11-25 20:19:29,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962169361] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:19:29,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472828531] [2021-11-25 20:19:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:29,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:29,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:29,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:19:29,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:19:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:29,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:19:29,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:19:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:19:29,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:19:29,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472828531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:29,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:19:29,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-25 20:19:29,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887877148] [2021-11-25 20:19:29,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:29,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:29,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:29,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:29,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:29,674 INFO L87 Difference]: Start difference. First operand 762 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:19:29,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:29,948 INFO L93 Difference]: Finished difference Result 1520 states and 2072 transitions. [2021-11-25 20:19:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:29,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2021-11-25 20:19:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:29,955 INFO L225 Difference]: With dead ends: 1520 [2021-11-25 20:19:29,955 INFO L226 Difference]: Without dead ends: 768 [2021-11-25 20:19:29,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:29,959 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 4 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:29,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 747 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:19:29,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-11-25 20:19:30,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 764. [2021-11-25 20:19:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 480 states have (on average 1.3229166666666667) internal successors, (635), 489 states have internal predecessors, (635), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2021-11-25 20:19:30,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1040 transitions. [2021-11-25 20:19:30,038 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1040 transitions. Word has length 42 [2021-11-25 20:19:30,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:30,039 INFO L470 AbstractCegarLoop]: Abstraction has 764 states and 1040 transitions. [2021-11-25 20:19:30,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:19:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1040 transitions. [2021-11-25 20:19:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 20:19:30,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:30,041 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:30,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 20:19:30,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-25 20:19:30,267 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:19:30,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:30,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1149100922, now seen corresponding path program 1 times [2021-11-25 20:19:30,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:30,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803471873] [2021-11-25 20:19:30,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:30,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:19:30,351 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:30,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803471873] [2021-11-25 20:19:30,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803471873] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:19:30,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319766078] [2021-11-25 20:19:30,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:30,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:30,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:30,353 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:19:30,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:19:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:30,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 20:19:30,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:19:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 20:19:30,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:19:30,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319766078] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:30,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:19:30,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-25 20:19:30,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971885071] [2021-11-25 20:19:30,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:30,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:30,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:30,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:30,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:30,763 INFO L87 Difference]: Start difference. First operand 764 states and 1040 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:19:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:31,044 INFO L93 Difference]: Finished difference Result 764 states and 1040 transitions. [2021-11-25 20:19:31,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:31,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-25 20:19:31,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:31,045 INFO L225 Difference]: With dead ends: 764 [2021-11-25 20:19:31,045 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:19:31,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:31,049 INFO L933 BasicCegarLoop]: 500 mSDtfsCounter, 193 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:31,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 850 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 20:19:31,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:19:31,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:19:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:19:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:19:31,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-11-25 20:19:31,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:31,051 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:19:31,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 20:19:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:19:31,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:19:31,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:19:31,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 20:19:31,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-25 20:19:31,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 20:19:33,606 INFO L858 garLoopResultBuilder]: For program point L2977(line 2977) no Hoare annotation was computed. [2021-11-25 20:19:33,606 INFO L858 garLoopResultBuilder]: For program point L2971-1(line 2971) no Hoare annotation was computed. [2021-11-25 20:19:33,606 INFO L861 garLoopResultBuilder]: At program point L2971(line 2971) the Hoare annotation is: true [2021-11-25 20:19:33,606 INFO L858 garLoopResultBuilder]: For program point L2967(lines 2967 2978) no Hoare annotation was computed. [2021-11-25 20:19:33,606 INFO L858 garLoopResultBuilder]: For program point L2967-2(lines 2963 2979) no Hoare annotation was computed. [2021-11-25 20:19:33,607 INFO L858 garLoopResultBuilder]: For program point L2963(lines 2963 2979) no Hoare annotation was computed. [2021-11-25 20:19:33,607 INFO L861 garLoopResultBuilder]: At program point L2961-1(line 2961) the Hoare annotation is: true [2021-11-25 20:19:33,607 INFO L861 garLoopResultBuilder]: At program point L2961(line 2961) the Hoare annotation is: true [2021-11-25 20:19:33,607 INFO L861 garLoopResultBuilder]: At program point copy_from_userENTRY(lines 2951 2982) the Hoare annotation is: true [2021-11-25 20:19:33,607 INFO L858 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2951 2982) no Hoare annotation was computed. [2021-11-25 20:19:33,607 INFO L861 garLoopResultBuilder]: At program point L2972-2(lines 2972 2976) the Hoare annotation is: true [2021-11-25 20:19:33,608 INFO L861 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2021-11-25 20:19:33,608 INFO L861 garLoopResultBuilder]: At program point L2966(line 2966) the Hoare annotation is: true [2021-11-25 20:19:33,608 INFO L858 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2021-11-25 20:19:33,608 INFO L861 garLoopResultBuilder]: At program point L2964(line 2964) the Hoare annotation is: true [2021-11-25 20:19:33,608 INFO L858 garLoopResultBuilder]: For program point L2966-1(line 2966) no Hoare annotation was computed. [2021-11-25 20:19:33,608 INFO L858 garLoopResultBuilder]: For program point L2962(line 2962) no Hoare annotation was computed. [2021-11-25 20:19:33,609 INFO L858 garLoopResultBuilder]: For program point L2964-1(line 2964) no Hoare annotation was computed. [2021-11-25 20:19:33,609 INFO L861 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 4566 4568) the Hoare annotation is: true [2021-11-25 20:19:33,609 INFO L858 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 4566 4568) no Hoare annotation was computed. [2021-11-25 20:19:33,609 INFO L858 garLoopResultBuilder]: For program point pi_initEXIT(lines 4556 4558) no Hoare annotation was computed. [2021-11-25 20:19:33,609 INFO L861 garLoopResultBuilder]: At program point pi_initENTRY(lines 4556 4558) the Hoare annotation is: true [2021-11-25 20:19:33,609 INFO L861 garLoopResultBuilder]: At program point write_regENTRY(lines 3063 3069) the Hoare annotation is: true [2021-11-25 20:19:33,610 INFO L858 garLoopResultBuilder]: For program point write_regEXIT(lines 3063 3069) no Hoare annotation was computed. [2021-11-25 20:19:33,610 INFO L858 garLoopResultBuilder]: For program point pg_sleepEXIT(lines 3076 3082) no Hoare annotation was computed. [2021-11-25 20:19:33,610 INFO L861 garLoopResultBuilder]: At program point pg_sleepENTRY(lines 3076 3082) the Hoare annotation is: true [2021-11-25 20:19:33,610 INFO L861 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 4563 4565) the Hoare annotation is: true [2021-11-25 20:19:33,610 INFO L858 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 4563 4565) no Hoare annotation was computed. [2021-11-25 20:19:33,610 INFO L861 garLoopResultBuilder]: At program point might_faultFINAL(lines 4532 4534) the Hoare annotation is: true [2021-11-25 20:19:33,610 INFO L858 garLoopResultBuilder]: For program point might_faultEXIT(lines 4532 4534) no Hoare annotation was computed. [2021-11-25 20:19:33,611 INFO L861 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 4552 4554) the Hoare annotation is: true [2021-11-25 20:19:33,611 INFO L858 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 4552 4554) no Hoare annotation was computed. [2021-11-25 20:19:33,611 INFO L858 garLoopResultBuilder]: For program point L3425(lines 3425 3429) no Hoare annotation was computed. [2021-11-25 20:19:33,611 INFO L858 garLoopResultBuilder]: For program point pg_probeEXIT(lines 3407 3441) no Hoare annotation was computed. [2021-11-25 20:19:33,611 INFO L858 garLoopResultBuilder]: For program point L3419-1(line 3419) no Hoare annotation was computed. [2021-11-25 20:19:33,611 INFO L861 garLoopResultBuilder]: At program point L3419(line 3419) the Hoare annotation is: true [2021-11-25 20:19:33,612 INFO L858 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2021-11-25 20:19:33,612 INFO L861 garLoopResultBuilder]: At program point L3413-1(lines 3413 3438) the Hoare annotation is: true [2021-11-25 20:19:33,612 INFO L858 garLoopResultBuilder]: For program point L3413(lines 3413 3438) no Hoare annotation was computed. [2021-11-25 20:19:33,612 INFO L861 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2021-11-25 20:19:33,612 INFO L861 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2021-11-25 20:19:33,612 INFO L858 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2021-11-25 20:19:33,613 INFO L858 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2021-11-25 20:19:33,613 INFO L861 garLoopResultBuilder]: At program point L3426(lines 3413 3431) the Hoare annotation is: true [2021-11-25 20:19:33,613 INFO L861 garLoopResultBuilder]: At program point L3424(lines 3413 3431) the Hoare annotation is: true [2021-11-25 20:19:33,613 INFO L858 garLoopResultBuilder]: For program point pg_probeFINAL(lines 3407 3441) no Hoare annotation was computed. [2021-11-25 20:19:33,613 INFO L858 garLoopResultBuilder]: For program point L3418(lines 3418 3422) no Hoare annotation was computed. [2021-11-25 20:19:33,613 INFO L861 garLoopResultBuilder]: At program point pg_probeENTRY(lines 3407 3441) the Hoare annotation is: true [2021-11-25 20:19:33,613 INFO L858 garLoopResultBuilder]: For program point L3433(lines 3433 3437) no Hoare annotation was computed. [2021-11-25 20:19:33,614 INFO L861 garLoopResultBuilder]: At program point L3052(line 3052) the Hoare annotation is: true [2021-11-25 20:19:33,614 INFO L858 garLoopResultBuilder]: For program point L3052-1(line 3052) no Hoare annotation was computed. [2021-11-25 20:19:33,614 INFO L858 garLoopResultBuilder]: For program point status_regEXIT(lines 3049 3055) no Hoare annotation was computed. [2021-11-25 20:19:33,614 INFO L861 garLoopResultBuilder]: At program point status_regENTRY(lines 3049 3055) the Hoare annotation is: true [2021-11-25 20:19:33,614 INFO L858 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2021-11-25 20:19:33,614 INFO L858 garLoopResultBuilder]: For program point L3231-1(line 3231) no Hoare annotation was computed. [2021-11-25 20:19:33,615 INFO L861 garLoopResultBuilder]: At program point L3231(line 3231) the Hoare annotation is: true [2021-11-25 20:19:33,615 INFO L861 garLoopResultBuilder]: At program point L3240(line 3240) the Hoare annotation is: true [2021-11-25 20:19:33,615 INFO L858 garLoopResultBuilder]: For program point L3207-1(line 3207) no Hoare annotation was computed. [2021-11-25 20:19:33,615 INFO L861 garLoopResultBuilder]: At program point L3207(line 3207) the Hoare annotation is: true [2021-11-25 20:19:33,615 INFO L858 garLoopResultBuilder]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2021-11-25 20:19:33,615 INFO L861 garLoopResultBuilder]: At program point L3232(lines 3201 3242) the Hoare annotation is: true [2021-11-25 20:19:33,616 INFO L858 garLoopResultBuilder]: For program point L3212(lines 3212 3215) no Hoare annotation was computed. [2021-11-25 20:19:33,616 INFO L861 garLoopResultBuilder]: At program point L3212-2(lines 3201 3242) the Hoare annotation is: true [2021-11-25 20:19:33,616 INFO L858 garLoopResultBuilder]: For program point L3233(line 3233) no Hoare annotation was computed. [2021-11-25 20:19:33,616 INFO L858 garLoopResultBuilder]: For program point L3213-1(line 3213) no Hoare annotation was computed. [2021-11-25 20:19:33,616 INFO L861 garLoopResultBuilder]: At program point L3213(line 3213) the Hoare annotation is: true [2021-11-25 20:19:33,616 INFO L861 garLoopResultBuilder]: At program point L3234(lines 3234 3238) the Hoare annotation is: true [2021-11-25 20:19:33,617 INFO L858 garLoopResultBuilder]: For program point pg_completionEXIT(lines 3191 3243) no Hoare annotation was computed. [2021-11-25 20:19:33,617 INFO L861 garLoopResultBuilder]: At program point pg_completionENTRY(lines 3191 3243) the Hoare annotation is: true [2021-11-25 20:19:33,617 INFO L861 garLoopResultBuilder]: At program point L3210(line 3210) the Hoare annotation is: true [2021-11-25 20:19:33,617 INFO L858 garLoopResultBuilder]: For program point L3210-1(line 3210) no Hoare annotation was computed. [2021-11-25 20:19:33,617 INFO L858 garLoopResultBuilder]: For program point L3206(line 3206) no Hoare annotation was computed. [2021-11-25 20:19:33,617 INFO L861 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2021-11-25 20:19:33,618 INFO L861 garLoopResultBuilder]: At program point L3235(lines 3201 3242) the Hoare annotation is: true [2021-11-25 20:19:33,618 INFO L861 garLoopResultBuilder]: At program point ldv_unregister_chrdev_11ENTRY(lines 4032 4039) the Hoare annotation is: true [2021-11-25 20:19:33,618 INFO L858 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11EXIT(lines 4032 4039) no Hoare annotation was computed. [2021-11-25 20:19:33,618 INFO L858 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3070 3075) no Hoare annotation was computed. [2021-11-25 20:19:33,618 INFO L861 garLoopResultBuilder]: At program point DRIVEENTRY(lines 3070 3075) the Hoare annotation is: true [2021-11-25 20:19:33,618 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 4542 4544) the Hoare annotation is: true [2021-11-25 20:19:33,619 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 4542 4544) no Hoare annotation was computed. [2021-11-25 20:19:33,619 INFO L858 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 2983 2990) no Hoare annotation was computed. [2021-11-25 20:19:33,619 INFO L861 garLoopResultBuilder]: At program point copy_to_userENTRY(lines 2983 2990) the Hoare annotation is: true [2021-11-25 20:19:33,619 INFO L861 garLoopResultBuilder]: At program point L2986(line 2986) the Hoare annotation is: true [2021-11-25 20:19:33,619 INFO L861 garLoopResultBuilder]: At program point L2986-1(line 2986) the Hoare annotation is: true [2021-11-25 20:19:33,619 INFO L858 garLoopResultBuilder]: For program point L3105(line 3105) no Hoare annotation was computed. [2021-11-25 20:19:33,619 INFO L858 garLoopResultBuilder]: For program point pg_waitFINAL(lines 3083 3137) no Hoare annotation was computed. [2021-11-25 20:19:33,620 INFO L861 garLoopResultBuilder]: At program point L3099(lines 3099 3103) the Hoare annotation is: true [2021-11-25 20:19:33,620 INFO L861 garLoopResultBuilder]: At program point L3116(line 3116) the Hoare annotation is: true [2021-11-25 20:19:33,620 INFO L861 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: true [2021-11-25 20:19:33,620 INFO L858 garLoopResultBuilder]: For program point L3116-1(line 3116) no Hoare annotation was computed. [2021-11-25 20:19:33,620 INFO L858 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2021-11-25 20:19:33,620 INFO L861 garLoopResultBuilder]: At program point pg_waitENTRY(lines 3083 3137) the Hoare annotation is: true [2021-11-25 20:19:33,621 INFO L861 garLoopResultBuilder]: At program point L3106(lines 3106 3110) the Hoare annotation is: true [2021-11-25 20:19:33,621 INFO L858 garLoopResultBuilder]: For program point pg_waitEXIT(lines 3083 3137) no Hoare annotation was computed. [2021-11-25 20:19:33,621 INFO L861 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: true [2021-11-25 20:19:33,621 INFO L861 garLoopResultBuilder]: At program point L3102-1(lines 3092 3136) the Hoare annotation is: true [2021-11-25 20:19:33,621 INFO L858 garLoopResultBuilder]: For program point L3115-1(line 3115) no Hoare annotation was computed. [2021-11-25 20:19:33,621 INFO L861 garLoopResultBuilder]: At program point L3115(line 3115) the Hoare annotation is: true [2021-11-25 20:19:33,622 INFO L858 garLoopResultBuilder]: For program point L3113(lines 3113 3134) no Hoare annotation was computed. [2021-11-25 20:19:33,622 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 4041 4046) the Hoare annotation is: true [2021-11-25 20:19:33,622 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4044) no Hoare annotation was computed. [2021-11-25 20:19:33,622 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4041 4046) no Hoare annotation was computed. [2021-11-25 20:19:33,622 INFO L861 garLoopResultBuilder]: At program point L3582(line 3582) the Hoare annotation is: true [2021-11-25 20:19:33,622 INFO L858 garLoopResultBuilder]: For program point L3582-1(line 3582) no Hoare annotation was computed. [2021-11-25 20:19:33,623 INFO L858 garLoopResultBuilder]: For program point L3578(lines 3578 3581) no Hoare annotation was computed. [2021-11-25 20:19:33,623 INFO L858 garLoopResultBuilder]: For program point L3574(lines 3574 3577) no Hoare annotation was computed. [2021-11-25 20:19:33,623 INFO L858 garLoopResultBuilder]: For program point pg_writeEXIT(lines 3563 3636) no Hoare annotation was computed. [2021-11-25 20:19:33,623 INFO L858 garLoopResultBuilder]: For program point L3599(lines 3599 3611) no Hoare annotation was computed. [2021-11-25 20:19:33,623 INFO L861 garLoopResultBuilder]: At program point L3628(lines 3628 3629) the Hoare annotation is: true [2021-11-25 20:19:33,623 INFO L858 garLoopResultBuilder]: For program point L3595(lines 3595 3598) no Hoare annotation was computed. [2021-11-25 20:19:33,624 INFO L858 garLoopResultBuilder]: For program point L3628-1(lines 3628 3629) no Hoare annotation was computed. [2021-11-25 20:19:33,624 INFO L858 garLoopResultBuilder]: For program point L3591(lines 3591 3594) no Hoare annotation was computed. [2021-11-25 20:19:33,624 INFO L858 garLoopResultBuilder]: For program point L3587(lines 3587 3590) no Hoare annotation was computed. [2021-11-25 20:19:33,624 INFO L858 garLoopResultBuilder]: For program point pg_writeFINAL(lines 3563 3636) no Hoare annotation was computed. [2021-11-25 20:19:33,624 INFO L858 garLoopResultBuilder]: For program point L3583(lines 3583 3586) no Hoare annotation was computed. [2021-11-25 20:19:33,624 INFO L858 garLoopResultBuilder]: For program point L3612(lines 3612 3615) no Hoare annotation was computed. [2021-11-25 20:19:33,624 INFO L861 garLoopResultBuilder]: At program point L3604(line 3604) the Hoare annotation is: true [2021-11-25 20:19:33,625 INFO L861 garLoopResultBuilder]: At program point pg_writeENTRY(lines 3563 3636) the Hoare annotation is: true [2021-11-25 20:19:33,625 INFO L858 garLoopResultBuilder]: For program point L3604-1(line 3604) no Hoare annotation was computed. [2021-11-25 20:19:33,625 INFO L858 garLoopResultBuilder]: For program point L3600(lines 3600 3603) no Hoare annotation was computed. [2021-11-25 20:19:33,625 INFO L861 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2021-11-25 20:19:33,625 INFO L858 garLoopResultBuilder]: For program point L3618-1(line 3618) no Hoare annotation was computed. [2021-11-25 20:19:33,625 INFO L858 garLoopResultBuilder]: For program point L3619(lines 3619 3626) no Hoare annotation was computed. [2021-11-25 20:19:33,626 INFO L861 garLoopResultBuilder]: At program point pi_connectENTRY(lines 4549 4551) the Hoare annotation is: true [2021-11-25 20:19:33,626 INFO L858 garLoopResultBuilder]: For program point pi_connectEXIT(lines 4549 4551) no Hoare annotation was computed. [2021-11-25 20:19:33,626 INFO L858 garLoopResultBuilder]: For program point L3161-1(line 3161) no Hoare annotation was computed. [2021-11-25 20:19:33,626 INFO L861 garLoopResultBuilder]: At program point L3161(line 3161) the Hoare annotation is: true [2021-11-25 20:19:33,626 INFO L858 garLoopResultBuilder]: For program point pg_commandEXIT(lines 3138 3190) no Hoare annotation was computed. [2021-11-25 20:19:33,626 INFO L858 garLoopResultBuilder]: For program point L3157(lines 3157 3160) no Hoare annotation was computed. [2021-11-25 20:19:33,626 INFO L861 garLoopResultBuilder]: At program point L3153-1(line 3153) the Hoare annotation is: true [2021-11-25 20:19:33,627 INFO L861 garLoopResultBuilder]: At program point L3153(line 3153) the Hoare annotation is: true [2021-11-25 20:19:33,627 INFO L858 garLoopResultBuilder]: For program point L3149(lines 3149 3152) no Hoare annotation was computed. [2021-11-25 20:19:33,627 INFO L858 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2021-11-25 20:19:33,627 INFO L861 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2021-11-25 20:19:33,627 INFO L858 garLoopResultBuilder]: For program point L3162(lines 3162 3166) no Hoare annotation was computed. [2021-11-25 20:19:33,627 INFO L861 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2021-11-25 20:19:33,628 INFO L858 garLoopResultBuilder]: For program point L3187-1(line 3187) no Hoare annotation was computed. [2021-11-25 20:19:33,628 INFO L861 garLoopResultBuilder]: At program point L3187(line 3187) the Hoare annotation is: true [2021-11-25 20:19:33,628 INFO L861 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2021-11-25 20:19:33,628 INFO L858 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2021-11-25 20:19:33,628 INFO L861 garLoopResultBuilder]: At program point L3175(lines 3168 3183) the Hoare annotation is: true [2021-11-25 20:19:33,628 INFO L858 garLoopResultBuilder]: For program point L3167-1(line 3167) no Hoare annotation was computed. [2021-11-25 20:19:33,628 INFO L861 garLoopResultBuilder]: At program point L3167(line 3167) the Hoare annotation is: true [2021-11-25 20:19:33,629 INFO L861 garLoopResultBuilder]: At program point L3155(line 3155) the Hoare annotation is: true [2021-11-25 20:19:33,629 INFO L861 garLoopResultBuilder]: At program point L3147-1(line 3147) the Hoare annotation is: true [2021-11-25 20:19:33,629 INFO L861 garLoopResultBuilder]: At program point L3147(line 3147) the Hoare annotation is: true [2021-11-25 20:19:33,629 INFO L858 garLoopResultBuilder]: For program point L3168(lines 3168 3184) no Hoare annotation was computed. [2021-11-25 20:19:33,629 INFO L858 garLoopResultBuilder]: For program point L3168-2(lines 3168 3184) no Hoare annotation was computed. [2021-11-25 20:19:33,629 INFO L861 garLoopResultBuilder]: At program point L3164(lines 3144 3189) the Hoare annotation is: true [2021-11-25 20:19:33,630 INFO L858 garLoopResultBuilder]: For program point pg_commandFINAL(lines 3138 3190) no Hoare annotation was computed. [2021-11-25 20:19:33,630 INFO L858 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2021-11-25 20:19:33,630 INFO L858 garLoopResultBuilder]: For program point L3148(line 3148) no Hoare annotation was computed. [2021-11-25 20:19:33,630 INFO L861 garLoopResultBuilder]: At program point pg_commandENTRY(lines 3138 3190) the Hoare annotation is: true [2021-11-25 20:19:33,630 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 4048 4053) the Hoare annotation is: true [2021-11-25 20:19:33,630 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4048 4053) no Hoare annotation was computed. [2021-11-25 20:19:33,631 INFO L861 garLoopResultBuilder]: At program point clear_bitENTRY(lines 2805 2811) the Hoare annotation is: true [2021-11-25 20:19:33,631 INFO L858 garLoopResultBuilder]: For program point clear_bitEXIT(lines 2805 2811) no Hoare annotation was computed. [2021-11-25 20:19:33,631 INFO L858 garLoopResultBuilder]: For program point read_regEXIT(lines 3056 3062) no Hoare annotation was computed. [2021-11-25 20:19:33,631 INFO L861 garLoopResultBuilder]: At program point read_regENTRY(lines 3056 3062) the Hoare annotation is: true [2021-11-25 20:19:33,631 INFO L858 garLoopResultBuilder]: For program point L3059-1(line 3059) no Hoare annotation was computed. [2021-11-25 20:19:33,631 INFO L861 garLoopResultBuilder]: At program point L3059(line 3059) the Hoare annotation is: true [2021-11-25 20:19:33,631 INFO L858 garLoopResultBuilder]: For program point L3264(line 3264) no Hoare annotation was computed. [2021-11-25 20:19:33,632 INFO L861 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2021-11-25 20:19:33,632 INFO L861 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2021-11-25 20:19:33,632 INFO L858 garLoopResultBuilder]: For program point L3260-1(line 3260) no Hoare annotation was computed. [2021-11-25 20:19:33,632 INFO L858 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2021-11-25 20:19:33,632 INFO L858 garLoopResultBuilder]: For program point L3273-1(line 3273) no Hoare annotation was computed. [2021-11-25 20:19:33,632 INFO L861 garLoopResultBuilder]: At program point L3273(line 3273) the Hoare annotation is: true [2021-11-25 20:19:33,632 INFO L858 garLoopResultBuilder]: For program point L3261-1(line 3261) no Hoare annotation was computed. [2021-11-25 20:19:33,633 INFO L861 garLoopResultBuilder]: At program point L3261(line 3261) the Hoare annotation is: true [2021-11-25 20:19:33,633 INFO L861 garLoopResultBuilder]: At program point L3290(lines 3254 3324) the Hoare annotation is: true [2021-11-25 20:19:33,633 INFO L858 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2021-11-25 20:19:33,633 INFO L858 garLoopResultBuilder]: For program point L3274(lines 3274 3278) no Hoare annotation was computed. [2021-11-25 20:19:33,633 INFO L861 garLoopResultBuilder]: At program point L3262(line 3262) the Hoare annotation is: true [2021-11-25 20:19:33,633 INFO L861 garLoopResultBuilder]: At program point L3262-1(line 3262) the Hoare annotation is: true [2021-11-25 20:19:33,634 INFO L861 garLoopResultBuilder]: At program point pg_resetENTRY(lines 3244 3325) the Hoare annotation is: true [2021-11-25 20:19:33,634 INFO L861 garLoopResultBuilder]: At program point L3308(lines 3301 3320) the Hoare annotation is: true [2021-11-25 20:19:33,634 INFO L861 garLoopResultBuilder]: At program point L3275(lines 3254 3324) the Hoare annotation is: true [2021-11-25 20:19:33,634 INFO L858 garLoopResultBuilder]: For program point pg_resetEXIT(lines 3244 3325) no Hoare annotation was computed. [2021-11-25 20:19:33,634 INFO L858 garLoopResultBuilder]: For program point L3296-2(lines 3254 3324) no Hoare annotation was computed. [2021-11-25 20:19:33,634 INFO L861 garLoopResultBuilder]: At program point L3263(line 3263) the Hoare annotation is: true [2021-11-25 20:19:33,635 INFO L861 garLoopResultBuilder]: At program point L3288(lines 3254 3324) the Hoare annotation is: true [2021-11-25 20:19:33,635 INFO L861 garLoopResultBuilder]: At program point L3280(lines 3254 3324) the Hoare annotation is: true [2021-11-25 20:19:33,635 INFO L858 garLoopResultBuilder]: For program point L3272(lines 3272 3281) no Hoare annotation was computed. [2021-11-25 20:19:33,635 INFO L861 garLoopResultBuilder]: At program point L3268(lines 3254 3324) the Hoare annotation is: true [2021-11-25 20:19:33,635 INFO L858 garLoopResultBuilder]: For program point L3301-1(lines 3301 3321) no Hoare annotation was computed. [2021-11-25 20:19:33,635 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2921 2930) the Hoare annotation is: true [2021-11-25 20:19:33,635 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2921 2930) no Hoare annotation was computed. [2021-11-25 20:19:33,636 INFO L861 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 4535 4537) the Hoare annotation is: true [2021-11-25 20:19:33,636 INFO L858 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 4535 4537) no Hoare annotation was computed. [2021-11-25 20:19:33,636 INFO L858 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 4516 4518) no Hoare annotation was computed. [2021-11-25 20:19:33,636 INFO L861 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 4516 4518) the Hoare annotation is: true [2021-11-25 20:19:33,636 INFO L858 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2021-11-25 20:19:33,636 INFO L858 garLoopResultBuilder]: For program point L4462(lines 4462 4465) no Hoare annotation was computed. [2021-11-25 20:19:33,637 INFO L858 garLoopResultBuilder]: For program point L3471(lines 3471 3474) no Hoare annotation was computed. [2021-11-25 20:19:33,637 INFO L858 garLoopResultBuilder]: For program point L3901(line 3901) no Hoare annotation was computed. [2021-11-25 20:19:33,637 INFO L858 garLoopResultBuilder]: For program point L3902(lines 3902 3933) no Hoare annotation was computed. [2021-11-25 20:19:33,637 INFO L858 garLoopResultBuilder]: For program point L3869(line 3869) no Hoare annotation was computed. [2021-11-25 20:19:33,637 INFO L858 garLoopResultBuilder]: For program point L3803(lines 3803 3806) no Hoare annotation was computed. [2021-11-25 20:19:33,637 INFO L858 garLoopResultBuilder]: For program point L3803-2(lines 3803 3806) no Hoare annotation was computed. [2021-11-25 20:19:33,638 INFO L854 garLoopResultBuilder]: At program point L4464-1(lines 4462 4465) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,638 INFO L854 garLoopResultBuilder]: At program point L4497(line 4497) the Hoare annotation is: false [2021-11-25 20:19:33,638 INFO L854 garLoopResultBuilder]: At program point L4464(line 4464) the Hoare annotation is: false [2021-11-25 20:19:33,638 INFO L861 garLoopResultBuilder]: At program point L4497-1(lines 4480 4501) the Hoare annotation is: true [2021-11-25 20:19:33,638 INFO L858 garLoopResultBuilder]: For program point L3870(lines 3870 3874) no Hoare annotation was computed. [2021-11-25 20:19:33,638 INFO L854 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,639 INFO L858 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2021-11-25 20:19:33,639 INFO L854 garLoopResultBuilder]: At program point L3771(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,639 INFO L858 garLoopResultBuilder]: For program point L3540(lines 3540 3546) no Hoare annotation was computed. [2021-11-25 20:19:33,639 INFO L858 garLoopResultBuilder]: For program point L3541-1(line 3541) no Hoare annotation was computed. [2021-11-25 20:19:33,639 INFO L854 garLoopResultBuilder]: At program point L3541(line 3541) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,639 INFO L858 garLoopResultBuilder]: For program point L3475-1(lines 3475 3476) no Hoare annotation was computed. [2021-11-25 20:19:33,640 INFO L854 garLoopResultBuilder]: At program point L3475(lines 3475 3476) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,640 INFO L854 garLoopResultBuilder]: At program point L3938(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,640 INFO L858 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2021-11-25 20:19:33,640 INFO L858 garLoopResultBuilder]: For program point L3906(lines 3906 3911) no Hoare annotation was computed. [2021-11-25 20:19:33,640 INFO L858 garLoopResultBuilder]: For program point L3708(lines 3708 3712) no Hoare annotation was computed. [2021-11-25 20:19:33,640 INFO L858 garLoopResultBuilder]: For program point L3477(lines 3477 3486) no Hoare annotation was computed. [2021-11-25 20:19:33,641 INFO L854 garLoopResultBuilder]: At program point L3808(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,641 INFO L854 garLoopResultBuilder]: At program point L3478(line 3478) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,641 INFO L858 garLoopResultBuilder]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2021-11-25 20:19:33,641 INFO L854 garLoopResultBuilder]: At program point L4503(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,641 INFO L854 garLoopResultBuilder]: At program point L4503-1(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,641 INFO L858 garLoopResultBuilder]: For program point L3479(lines 3479 3484) no Hoare annotation was computed. [2021-11-25 20:19:33,642 INFO L858 garLoopResultBuilder]: For program point L4404(lines 4404 4407) no Hoare annotation was computed. [2021-11-25 20:19:33,642 INFO L854 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,642 INFO L854 garLoopResultBuilder]: At program point L4009-1(lines 4005 4012) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,642 INFO L854 garLoopResultBuilder]: At program point L4009(line 4009) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,642 INFO L854 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: false [2021-11-25 20:19:33,643 INFO L854 garLoopResultBuilder]: At program point L4406-1(lines 4404 4407) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,643 INFO L858 garLoopResultBuilder]: For program point L3845(line 3845) no Hoare annotation was computed. [2021-11-25 20:19:33,643 INFO L854 garLoopResultBuilder]: At program point L3746(lines 3746 3751) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,643 INFO L854 garLoopResultBuilder]: At program point L3680(line 3680) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,643 INFO L858 garLoopResultBuilder]: For program point L3680-1(line 3680) no Hoare annotation was computed. [2021-11-25 20:19:33,643 INFO L854 garLoopResultBuilder]: At program point L3548(lines 3515 3551) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,644 INFO L858 garLoopResultBuilder]: For program point L3846(lines 3846 3899) no Hoare annotation was computed. [2021-11-25 20:19:33,644 INFO L858 garLoopResultBuilder]: For program point L3648(lines 3648 3651) no Hoare annotation was computed. [2021-11-25 20:19:33,644 INFO L858 garLoopResultBuilder]: For program point L3681(lines 3681 3684) no Hoare annotation was computed. [2021-11-25 20:19:33,644 INFO L858 garLoopResultBuilder]: For program point L3483-1(line 3483) no Hoare annotation was computed. [2021-11-25 20:19:33,644 INFO L854 garLoopResultBuilder]: At program point L3483(line 3483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,644 INFO L858 garLoopResultBuilder]: For program point L3913(line 3913) no Hoare annotation was computed. [2021-11-25 20:19:33,645 INFO L854 garLoopResultBuilder]: At program point L3715(lines 3715 3719) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,645 INFO L858 garLoopResultBuilder]: For program point L3914(lines 3914 3926) no Hoare annotation was computed. [2021-11-25 20:19:33,645 INFO L854 garLoopResultBuilder]: At program point L3749(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,645 INFO L858 garLoopResultBuilder]: For program point L3849(line 3849) no Hoare annotation was computed. [2021-11-25 20:19:33,645 INFO L858 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2021-11-25 20:19:33,645 INFO L858 garLoopResultBuilder]: For program point L3916-2(lines 3914 3925) no Hoare annotation was computed. [2021-11-25 20:19:33,645 INFO L858 garLoopResultBuilder]: For program point L3883(line 3883) no Hoare annotation was computed. [2021-11-25 20:19:33,646 INFO L858 garLoopResultBuilder]: For program point L3850-2(lines 3848 3896) no Hoare annotation was computed. [2021-11-25 20:19:33,646 INFO L858 garLoopResultBuilder]: For program point L3652(lines 3652 3655) no Hoare annotation was computed. [2021-11-25 20:19:33,646 INFO L858 garLoopResultBuilder]: For program point L3685(lines 3685 3693) no Hoare annotation was computed. [2021-11-25 20:19:33,646 INFO L858 garLoopResultBuilder]: For program point L3685-2(lines 3685 3693) no Hoare annotation was computed. [2021-11-25 20:19:33,646 INFO L854 garLoopResultBuilder]: At program point L3487(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,647 INFO L854 garLoopResultBuilder]: At program point L3884(lines 3884 3892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,647 INFO L858 garLoopResultBuilder]: For program point L3851-1(line 3851) no Hoare annotation was computed. [2021-11-25 20:19:33,647 INFO L854 garLoopResultBuilder]: At program point L3851(line 3851) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,647 INFO L854 garLoopResultBuilder]: At program point L3686(lines 3686 3687) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,647 INFO L858 garLoopResultBuilder]: For program point L3686-1(lines 3686 3687) no Hoare annotation was computed. [2021-11-25 20:19:33,647 INFO L854 garLoopResultBuilder]: At program point L3455-1(lines 3451 3506) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,648 INFO L854 garLoopResultBuilder]: At program point L3521-2(lines 3521 3525) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,648 INFO L858 garLoopResultBuilder]: For program point L3455(lines 3455 3499) no Hoare annotation was computed. [2021-11-25 20:19:33,648 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-25 20:19:33,648 INFO L854 garLoopResultBuilder]: At program point L4017-1(lines 4013 4020) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,648 INFO L854 garLoopResultBuilder]: At program point L4017(line 4017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,648 INFO L854 garLoopResultBuilder]: At program point L3456(lines 3456 3457) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,649 INFO L858 garLoopResultBuilder]: For program point L3456-1(lines 3456 3457) no Hoare annotation was computed. [2021-11-25 20:19:33,649 INFO L858 garLoopResultBuilder]: For program point L3688(lines 3688 3691) no Hoare annotation was computed. [2021-11-25 20:19:33,649 INFO L858 garLoopResultBuilder]: For program point L3721(lines 3721 3741) no Hoare annotation was computed. [2021-11-25 20:19:33,649 INFO L854 garLoopResultBuilder]: At program point L3490(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,649 INFO L854 garLoopResultBuilder]: At program point L3028(line 3028) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,649 INFO L858 garLoopResultBuilder]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2021-11-25 20:19:33,650 INFO L858 garLoopResultBuilder]: For program point L3458(lines 3458 3497) no Hoare annotation was computed. [2021-11-25 20:19:33,650 INFO L858 garLoopResultBuilder]: For program point L3657-1(line 3657) no Hoare annotation was computed. [2021-11-25 20:19:33,650 INFO L854 garLoopResultBuilder]: At program point L3657(line 3657) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,650 INFO L858 garLoopResultBuilder]: For program point L4483(lines 4483 4486) no Hoare annotation was computed. [2021-11-25 20:19:33,650 INFO L858 garLoopResultBuilder]: For program point L3459-1(line 3459) no Hoare annotation was computed. [2021-11-25 20:19:33,650 INFO L854 garLoopResultBuilder]: At program point L3459(line 3459) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,651 INFO L854 garLoopResultBuilder]: At program point L3922(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,651 INFO L854 garLoopResultBuilder]: At program point L3856(line 3856) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,651 INFO L854 garLoopResultBuilder]: At program point L3790(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,651 INFO L858 garLoopResultBuilder]: For program point L3856-1(line 3856) no Hoare annotation was computed. [2021-11-25 20:19:33,651 INFO L858 garLoopResultBuilder]: For program point L3658(lines 3658 3664) no Hoare annotation was computed. [2021-11-25 20:19:33,651 INFO L858 garLoopResultBuilder]: For program point L3658-2(lines 3658 3664) no Hoare annotation was computed. [2021-11-25 20:19:33,652 INFO L854 garLoopResultBuilder]: At program point L3559-1(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,652 INFO L854 garLoopResultBuilder]: At program point L3559(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,652 INFO L858 garLoopResultBuilder]: For program point L3460(lines 3460 3465) no Hoare annotation was computed. [2021-11-25 20:19:33,652 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 20:19:33,652 INFO L858 garLoopResultBuilder]: For program point L3659(lines 3659 3662) no Hoare annotation was computed. [2021-11-25 20:19:33,652 INFO L858 garLoopResultBuilder]: For program point L3527(lines 3527 3531) no Hoare annotation was computed. [2021-11-25 20:19:33,653 INFO L854 garLoopResultBuilder]: At program point L4485(line 4485) the Hoare annotation is: false [2021-11-25 20:19:33,653 INFO L858 garLoopResultBuilder]: For program point L4485-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-25 20:19:33,653 INFO L854 garLoopResultBuilder]: At program point L2933-1(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,653 INFO L854 garLoopResultBuilder]: At program point L2933(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,653 INFO L854 garLoopResultBuilder]: At program point L2835-1(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,653 INFO L854 garLoopResultBuilder]: At program point L2835(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,654 INFO L854 garLoopResultBuilder]: At program point L3694(lines 3637 3696) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,654 INFO L858 garLoopResultBuilder]: For program point L3727(lines 3727 3730) no Hoare annotation was computed. [2021-11-25 20:19:33,654 INFO L858 garLoopResultBuilder]: For program point L3727-2(lines 3727 3730) no Hoare annotation was computed. [2021-11-25 20:19:33,654 INFO L854 garLoopResultBuilder]: At program point L3728(line 3728) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,654 INFO L854 garLoopResultBuilder]: At program point L3761(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,654 INFO L858 garLoopResultBuilder]: For program point L3728-1(line 3728) no Hoare annotation was computed. [2021-11-25 20:19:33,655 INFO L854 garLoopResultBuilder]: At program point L3464(line 3464) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,655 INFO L858 garLoopResultBuilder]: For program point L3464-1(line 3464) no Hoare annotation was computed. [2021-11-25 20:19:33,655 INFO L858 garLoopResultBuilder]: For program point L3861(line 3861) no Hoare annotation was computed. [2021-11-25 20:19:33,655 INFO L854 garLoopResultBuilder]: At program point L4489(line 4489) the Hoare annotation is: false [2021-11-25 20:19:33,655 INFO L858 garLoopResultBuilder]: For program point L4489-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-25 20:19:33,655 INFO L858 garLoopResultBuilder]: For program point L3862(lines 3862 3867) no Hoare annotation was computed. [2021-11-25 20:19:33,655 INFO L858 garLoopResultBuilder]: For program point L3532(lines 3532 3536) no Hoare annotation was computed. [2021-11-25 20:19:33,656 INFO L854 garLoopResultBuilder]: At program point L3532-2(lines 3532 3536) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,656 INFO L858 garLoopResultBuilder]: For program point L3533-1(line 3533) no Hoare annotation was computed. [2021-11-25 20:19:33,656 INFO L854 garLoopResultBuilder]: At program point L3533(line 3533) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-25 20:19:33,656 INFO L854 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,656 INFO L854 garLoopResultBuilder]: At program point L3798(line 3798) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,657 INFO L854 garLoopResultBuilder]: At program point L3732(lines 3721 3740) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,657 INFO L858 garLoopResultBuilder]: For program point L3798-1(line 3798) no Hoare annotation was computed. [2021-11-25 20:19:33,657 INFO L854 garLoopResultBuilder]: At program point L3039(lines 3020 3047) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-25 20:19:33,657 INFO L854 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: false [2021-11-25 20:19:33,657 INFO L858 garLoopResultBuilder]: For program point L4493-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-25 20:19:33,657 INFO L858 garLoopResultBuilder]: For program point xsEXIT(lines 3326 3364) no Hoare annotation was computed. [2021-11-25 20:19:33,658 INFO L861 garLoopResultBuilder]: At program point xsENTRY(lines 3326 3364) the Hoare annotation is: true [2021-11-25 20:19:33,658 INFO L861 garLoopResultBuilder]: At program point L3350(lines 3333 3363) the Hoare annotation is: true [2021-11-25 20:19:33,658 INFO L861 garLoopResultBuilder]: At program point L3392(line 3392) the Hoare annotation is: true [2021-11-25 20:19:33,658 INFO L858 garLoopResultBuilder]: For program point L3393(lines 3393 3396) no Hoare annotation was computed. [2021-11-25 20:19:33,658 INFO L858 garLoopResultBuilder]: For program point L3392-1(line 3392) no Hoare annotation was computed. [2021-11-25 20:19:33,658 INFO L858 garLoopResultBuilder]: For program point L3388(lines 3388 3391) no Hoare annotation was computed. [2021-11-25 20:19:33,658 INFO L858 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2021-11-25 20:19:33,659 INFO L861 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: true [2021-11-25 20:19:33,659 INFO L858 garLoopResultBuilder]: For program point pg_identifyEXIT(lines 3365 3406) no Hoare annotation was computed. [2021-11-25 20:19:33,659 INFO L861 garLoopResultBuilder]: At program point pg_identifyENTRY(lines 3365 3406) the Hoare annotation is: true [2021-11-25 20:19:33,659 INFO L861 garLoopResultBuilder]: At program point L3398(line 3398) the Hoare annotation is: true [2021-11-25 20:19:33,659 INFO L858 garLoopResultBuilder]: For program point L3399(line 3399) no Hoare annotation was computed. [2021-11-25 20:19:33,659 INFO L858 garLoopResultBuilder]: For program point pg_identifyFINAL(lines 3365 3406) no Hoare annotation was computed. [2021-11-25 20:19:33,659 INFO L858 garLoopResultBuilder]: For program point L3397(lines 3397 3403) no Hoare annotation was computed. [2021-11-25 20:19:33,660 INFO L861 garLoopResultBuilder]: At program point L3398-1(line 3398) the Hoare annotation is: true [2021-11-25 20:19:33,660 INFO L858 garLoopResultBuilder]: For program point L3397-2(lines 3397 3403) no Hoare annotation was computed. [2021-11-25 20:19:33,660 INFO L858 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 4569 4571) no Hoare annotation was computed. [2021-11-25 20:19:33,660 INFO L861 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 4569 4571) the Hoare annotation is: true [2021-11-25 20:19:33,664 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:33,665 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:19:33,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:19:33 BoogieIcfgContainer [2021-11-25 20:19:33,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:19:33,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:19:33,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:19:33,692 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:19:33,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:19:22" (3/4) ... [2021-11-25 20:19:33,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:19:33,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2021-11-25 20:19:33,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2021-11-25 20:19:33,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2021-11-25 20:19:33,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2021-11-25 20:19:33,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2021-11-25 20:19:33,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2021-11-25 20:19:33,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2021-11-25 20:19:33,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2021-11-25 20:19:33,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2021-11-25 20:19:33,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2021-11-25 20:19:33,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2021-11-25 20:19:33,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2021-11-25 20:19:33,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2021-11-25 20:19:33,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-25 20:19:33,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2021-11-25 20:19:33,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2021-11-25 20:19:33,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2021-11-25 20:19:33,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-25 20:19:33,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2021-11-25 20:19:33,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2021-11-25 20:19:33,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2021-11-25 20:19:33,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2021-11-25 20:19:33,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2021-11-25 20:19:33,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 292 nodes and edges [2021-11-25 20:19:33,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2021-11-25 20:19:33,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-25 20:19:33,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-25 20:19:33,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 20:19:33,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 20:19:33,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:19:33,947 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:19:33,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:19:33,948 INFO L158 Benchmark]: Toolchain (without parser) took 16062.74ms. Allocated memory was 92.3MB in the beginning and 299.9MB in the end (delta: 207.6MB). Free memory was 52.3MB in the beginning and 95.7MB in the end (delta: -43.5MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. [2021-11-25 20:19:33,948 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:19:33,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.99ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 52.0MB in the beginning and 85.0MB in the end (delta: -33.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-11-25 20:19:33,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.24ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 77.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 20:19:33,950 INFO L158 Benchmark]: Boogie Preprocessor took 185.81ms. Allocated memory is still 132.1MB. Free memory was 77.6MB in the beginning and 69.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 20:19:33,950 INFO L158 Benchmark]: RCFGBuilder took 2570.18ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 69.2MB in the beginning and 87.6MB in the end (delta: -18.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-11-25 20:19:33,951 INFO L158 Benchmark]: TraceAbstraction took 11362.89ms. Allocated memory was 190.8MB in the beginning and 299.9MB in the end (delta: 109.1MB). Free memory was 87.6MB in the beginning and 129.3MB in the end (delta: -41.7MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2021-11-25 20:19:33,952 INFO L158 Benchmark]: Witness Printer took 255.37ms. Allocated memory is still 299.9MB. Free memory was 128.2MB in the beginning and 95.7MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-25 20:19:33,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.99ms. Allocated memory was 92.3MB in the beginning and 132.1MB in the end (delta: 39.8MB). Free memory was 52.0MB in the beginning and 85.0MB in the end (delta: -33.0MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.24ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 77.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 185.81ms. Allocated memory is still 132.1MB. Free memory was 77.6MB in the beginning and 69.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2570.18ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 69.2MB in the beginning and 87.6MB in the end (delta: -18.5MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11362.89ms. Allocated memory was 190.8MB in the beginning and 299.9MB in the end (delta: 109.1MB). Free memory was 87.6MB in the beginning and 129.3MB in the end (delta: -41.7MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 255.37ms. Allocated memory is still 299.9MB. Free memory was 128.2MB in the beginning and 95.7MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4044]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 337 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2969 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2967 mSDsluCounter, 6304 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2329 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1149 IncrementalHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4314 mSDtfsCounter, 1149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=764occurred in iteration=9, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 159 LocationsWithAnnotation, 2960 PreInvPairs, 3033 NumberOfFragments, 1011 HoareAnnotationTreeSize, 2960 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 159 FomulaSimplificationsInter, 13241 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5405 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 16/22 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4503]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3876]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4013]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3746]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3721]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4462]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3884]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4005]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2835]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3515]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 4480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3020]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3099]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4404]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3521]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3715]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2933]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3637]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3559]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 20:19:34,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357fdb29-cf49-44d5-b699-1a0fa04987aa/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE