./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.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_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:27:15,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:27:15,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:27:15,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:27:15,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:27:15,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:27:15,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:27:15,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:27:15,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:27:15,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:27:15,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:27:15,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:27:15,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:27:15,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:27:15,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:27:15,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:27:15,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:27:15,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:27:15,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:27:15,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:27:15,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:27:15,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:27:15,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:27:15,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:27:15,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:27:15,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:27:15,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:27:15,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:27:15,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:27:15,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:27:15,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:27:15,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:27:15,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:27:15,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:27:15,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:27:15,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:27:15,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:27:15,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:27:15,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:27:15,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:27:15,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:27:15,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:27:15,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:27:15,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:27:15,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:27:15,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:27:15,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:27:15,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:27:15,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:27:15,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:27:15,511 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:27:15,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:27:15,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:27:15,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:27:15,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:27:15,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:27:15,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:27:15,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:27:15,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:27:15,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:27:15,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:27:15,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:27:15,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:27:15,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:27:15,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:27:15,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:27:15,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:27:15,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:27:15,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:27:15,517 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:27:15,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:27:15,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:27:15,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:27:15,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2021-11-20 07:27:15,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:27:15,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:27:15,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:27:15,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:27:15,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:27:15,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-20 07:27:15,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/data/90ce524f6/fd9ca8cdee9b46aa97e9817d448e71f2/FLAG4847a703a [2021-11-20 07:27:16,658 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:27:16,659 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-20 07:27:16,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/data/90ce524f6/fd9ca8cdee9b46aa97e9817d448e71f2/FLAG4847a703a [2021-11-20 07:27:16,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/data/90ce524f6/fd9ca8cdee9b46aa97e9817d448e71f2 [2021-11-20 07:27:16,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:27:16,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:27:16,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:27:16,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:27:16,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:27:16,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:16" (1/1) ... [2021-11-20 07:27:16,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297226b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:16, skipping insertion in model container [2021-11-20 07:27:16,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:16" (1/1) ... [2021-11-20 07:27:16,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:27:16,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:27:17,728 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_f3ec6b40-9857-4207-83b2-804916f8b807/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-20 07:27:17,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:27:17,861 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:27:18,148 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_f3ec6b40-9857-4207-83b2-804916f8b807/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-20 07:27:18,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:27:18,204 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:27:18,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18 WrapperNode [2021-11-20 07:27:18,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:27:18,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:27:18,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:27:18,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:27:18,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,341 INFO L137 Inliner]: procedures = 131, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1088 [2021-11-20 07:27:18,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:27:18,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:27:18,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:27:18,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:27:18,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:27:18,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:27:18,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:27:18,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:27:18,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (1/1) ... [2021-11-20 07:27:18,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:27:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:18,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:27:18,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:27:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-11-20 07:27:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-11-20 07:27:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-20 07:27:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-20 07:27:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-11-20 07:27:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-11-20 07:27:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-11-20 07:27:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-11-20 07:27:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:27:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-20 07:27:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-20 07:27:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:27:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:27:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2021-11-20 07:27:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2021-11-20 07:27:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2021-11-20 07:27:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2021-11-20 07:27:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:27:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 07:27:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 07:27:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 07:27:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 07:27:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2021-11-20 07:27:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2021-11-20 07:27:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 07:27:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 07:27:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:27:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:27:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:27:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:27:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:27:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 07:27:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 07:27:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 07:27:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 07:27:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:27:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2021-11-20 07:27:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2021-11-20 07:27:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:27:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:27:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-11-20 07:27:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-11-20 07:27:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2021-11-20 07:27:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2021-11-20 07:27:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 07:27:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:27:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2021-11-20 07:27:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2021-11-20 07:27:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2021-11-20 07:27:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2021-11-20 07:27:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-11-20 07:27:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-11-20 07:27:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:27:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:27:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-11-20 07:27:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-11-20 07:27:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-11-20 07:27:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-11-20 07:27:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 07:27:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 07:27:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2021-11-20 07:27:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2021-11-20 07:27:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-11-20 07:27:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-11-20 07:27:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2021-11-20 07:27:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2021-11-20 07:27:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:27:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 07:27:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 07:27:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:27:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:27:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-11-20 07:27:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-11-20 07:27:19,043 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:27:19,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:27:20,730 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:27:20,744 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:27:20,744 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:27:20,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:20 BoogieIcfgContainer [2021-11-20 07:27:20,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:27:20,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:27:20,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:27:20,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:27:20,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:27:16" (1/3) ... [2021-11-20 07:27:20,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566b7b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:20, skipping insertion in model container [2021-11-20 07:27:20,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:18" (2/3) ... [2021-11-20 07:27:20,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566b7b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:27:20, skipping insertion in model container [2021-11-20 07:27:20,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:20" (3/3) ... [2021-11-20 07:27:20,771 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-20 07:27:20,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:27:20,776 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:27:20,828 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:27:20,835 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=PETRI_NET, 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 [2021-11-20 07:27:20,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:27:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 336 states have (on average 1.3571428571428572) internal successors, (456), 346 states have internal predecessors, (456), 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) [2021-11-20 07:27:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-20 07:27:20,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:20,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:20,878 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:20,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:20,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1794190865, now seen corresponding path program 1 times [2021-11-20 07:27:20,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:20,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947742564] [2021-11-20 07:27:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:20,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:21,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:21,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947742564] [2021-11-20 07:27:21,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947742564] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:21,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:27:21,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:27:21,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903361061] [2021-11-20 07:27:21,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:21,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:21,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:21,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:27:21,386 INFO L87 Difference]: Start difference. First operand has 454 states, 336 states have (on average 1.3571428571428572) internal successors, (456), 346 states have internal predecessors, (456), 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 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-20 07:27:21,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:21,647 INFO L93 Difference]: Finished difference Result 1174 states and 1623 transitions. [2021-11-20 07:27:21,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:21,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 16 [2021-11-20 07:27:21,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:21,672 INFO L225 Difference]: With dead ends: 1174 [2021-11-20 07:27:21,672 INFO L226 Difference]: Without dead ends: 715 [2021-11-20 07:27:21,683 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 [2021-11-20 07:27:21,686 INFO L933 BasicCegarLoop]: 805 mSDtfsCounter, 374 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:21,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 1385 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:27:21,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2021-11-20 07:27:21,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 691. [2021-11-20 07:27:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 506 states have (on average 1.341897233201581) internal successors, (679), 516 states have internal predecessors, (679), 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) [2021-11-20 07:27:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 945 transitions. [2021-11-20 07:27:21,846 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 945 transitions. Word has length 16 [2021-11-20 07:27:21,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:21,847 INFO L470 AbstractCegarLoop]: Abstraction has 691 states and 945 transitions. [2021-11-20 07:27:21,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-20 07:27:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 945 transitions. [2021-11-20 07:27:21,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 07:27:21,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:21,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:21,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:27:21,855 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:21,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:21,860 INFO L85 PathProgramCache]: Analyzing trace with hash -172672949, now seen corresponding path program 1 times [2021-11-20 07:27:21,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:21,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963996682] [2021-11-20 07:27:21,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:21,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:22,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:22,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963996682] [2021-11-20 07:27:22,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963996682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:22,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:27:22,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:27:22,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35805398] [2021-11-20 07:27:22,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:22,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:22,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:22,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:22,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:27:22,009 INFO L87 Difference]: Start difference. First operand 691 states and 945 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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) [2021-11-20 07:27:22,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:22,065 INFO L93 Difference]: Finished difference Result 1379 states and 1887 transitions. [2021-11-20 07:27:22,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:22,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 [2021-11-20 07:27:22,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:22,072 INFO L225 Difference]: With dead ends: 1379 [2021-11-20 07:27:22,072 INFO L226 Difference]: Without dead ends: 691 [2021-11-20 07:27:22,077 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 [2021-11-20 07:27:22,079 INFO L933 BasicCegarLoop]: 613 mSDtfsCounter, 604 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:22,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [604 Valid, 613 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:22,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-11-20 07:27:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2021-11-20 07:27:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 506 states have (on average 1.3379446640316206) internal successors, (677), 516 states have internal predecessors, (677), 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) [2021-11-20 07:27:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 943 transitions. [2021-11-20 07:27:22,161 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 943 transitions. Word has length 19 [2021-11-20 07:27:22,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:22,162 INFO L470 AbstractCegarLoop]: Abstraction has 691 states and 943 transitions. [2021-11-20 07:27:22,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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) [2021-11-20 07:27:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 943 transitions. [2021-11-20 07:27:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 07:27:22,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:22,174 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] [2021-11-20 07:27:22,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:27:22,175 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:22,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:22,175 INFO L85 PathProgramCache]: Analyzing trace with hash -63996311, now seen corresponding path program 1 times [2021-11-20 07:27:22,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:22,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090743064] [2021-11-20 07:27:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:22,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 07:27:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:22,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:22,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090743064] [2021-11-20 07:27:22,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090743064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:22,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:27:22,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:27:22,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647135413] [2021-11-20 07:27:22,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:22,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:27:22,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:22,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:27:22,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:27:22,314 INFO L87 Difference]: Start difference. First operand 691 states and 943 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-20 07:27:23,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:23,803 INFO L93 Difference]: Finished difference Result 1734 states and 2370 transitions. [2021-11-20 07:27:23,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:27:23,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 25 [2021-11-20 07:27:23,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:23,812 INFO L225 Difference]: With dead ends: 1734 [2021-11-20 07:27:23,812 INFO L226 Difference]: Without dead ends: 1046 [2021-11-20 07:27:23,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:23,817 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 726 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:23,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [799 Valid, 1367 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-20 07:27:23,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-11-20 07:27:23,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1042. [2021-11-20 07:27:23,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 767 states have (on average 1.3415906127770534) internal successors, (1029), 779 states have internal predecessors, (1029), 199 states have call successors, (199), 76 states have call predecessors, (199), 75 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2021-11-20 07:27:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1421 transitions. [2021-11-20 07:27:23,908 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1421 transitions. Word has length 25 [2021-11-20 07:27:23,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:23,908 INFO L470 AbstractCegarLoop]: Abstraction has 1042 states and 1421 transitions. [2021-11-20 07:27:23,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-20 07:27:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1421 transitions. [2021-11-20 07:27:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 07:27:23,910 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:23,910 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] [2021-11-20 07:27:23,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:27:23,910 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:23,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:23,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1434873111, now seen corresponding path program 1 times [2021-11-20 07:27:23,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:23,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159024085] [2021-11-20 07:27:23,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:23,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:23,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:23,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159024085] [2021-11-20 07:27:23,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159024085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:23,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:27:23,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:27:23,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641587633] [2021-11-20 07:27:23,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:23,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:23,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:23,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:23,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:27:23,974 INFO L87 Difference]: Start difference. First operand 1042 states and 1421 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-11-20 07:27:24,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:24,046 INFO L93 Difference]: Finished difference Result 2093 states and 2857 transitions. [2021-11-20 07:27:24,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:24,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 25 [2021-11-20 07:27:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:24,055 INFO L225 Difference]: With dead ends: 2093 [2021-11-20 07:27:24,055 INFO L226 Difference]: Without dead ends: 1054 [2021-11-20 07:27:24,060 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 [2021-11-20 07:27:24,061 INFO L933 BasicCegarLoop]: 612 mSDtfsCounter, 5 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:24,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 1221 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:24,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2021-11-20 07:27:24,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1044. [2021-11-20 07:27:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 769 states have (on average 1.340702210663199) internal successors, (1031), 781 states have internal predecessors, (1031), 199 states have call successors, (199), 76 states have call predecessors, (199), 75 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2021-11-20 07:27:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1423 transitions. [2021-11-20 07:27:24,125 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1423 transitions. Word has length 25 [2021-11-20 07:27:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:24,126 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 1423 transitions. [2021-11-20 07:27:24,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-11-20 07:27:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1423 transitions. [2021-11-20 07:27:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 07:27:24,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:24,128 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:24,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:27:24,128 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:24,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:24,129 INFO L85 PathProgramCache]: Analyzing trace with hash 47645827, now seen corresponding path program 1 times [2021-11-20 07:27:24,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:24,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745413949] [2021-11-20 07:27:24,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:24,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:24,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:24,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745413949] [2021-11-20 07:27:24,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745413949] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:24,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061662144] [2021-11-20 07:27:24,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:24,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:24,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:24,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:27:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:24,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:24,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:24,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:24,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061662144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:24,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:24,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:24,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405393751] [2021-11-20 07:27:24,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:24,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:24,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:24,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:24,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:24,653 INFO L87 Difference]: Start difference. First operand 1044 states and 1423 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:24,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:24,854 INFO L93 Difference]: Finished difference Result 2873 states and 3922 transitions. [2021-11-20 07:27:24,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:24,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2021-11-20 07:27:24,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:24,871 INFO L225 Difference]: With dead ends: 2873 [2021-11-20 07:27:24,872 INFO L226 Difference]: Without dead ends: 1832 [2021-11-20 07:27:24,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:24,882 INFO L933 BasicCegarLoop]: 1080 mSDtfsCounter, 599 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:24,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [599 Valid, 1629 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:24,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2021-11-20 07:27:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1425. [2021-11-20 07:27:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1055 states have (on average 1.34218009478673) internal successors, (1416), 1069 states have internal predecessors, (1416), 267 states have call successors, (267), 103 states have call predecessors, (267), 102 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) [2021-11-20 07:27:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1944 transitions. [2021-11-20 07:27:25,010 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1944 transitions. Word has length 34 [2021-11-20 07:27:25,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:25,010 INFO L470 AbstractCegarLoop]: Abstraction has 1425 states and 1944 transitions. [2021-11-20 07:27:25,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1944 transitions. [2021-11-20 07:27:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 07:27:25,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:25,013 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:25,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:25,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:25,227 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:25,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:25,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1068714181, now seen corresponding path program 1 times [2021-11-20 07:27:25,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:25,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641749276] [2021-11-20 07:27:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:25,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:25,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:25,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641749276] [2021-11-20 07:27:25,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641749276] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:25,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776486442] [2021-11-20 07:27:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:25,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:25,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:25,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:25,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:27:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:25,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:25,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:25,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:25,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776486442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:25,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:25,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:25,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882546749] [2021-11-20 07:27:25,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:25,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:25,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:25,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:25,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:25,740 INFO L87 Difference]: Start difference. First operand 1425 states and 1944 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:25,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:25,845 INFO L93 Difference]: Finished difference Result 3168 states and 4377 transitions. [2021-11-20 07:27:25,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:25,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2021-11-20 07:27:25,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:25,894 INFO L225 Difference]: With dead ends: 3168 [2021-11-20 07:27:25,894 INFO L226 Difference]: Without dead ends: 1746 [2021-11-20 07:27:25,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:25,900 INFO L933 BasicCegarLoop]: 679 mSDtfsCounter, 203 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:25,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 1280 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:25,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2021-11-20 07:27:25,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1451. [2021-11-20 07:27:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1075 states have (on average 1.3413953488372092) internal successors, (1442), 1089 states have internal predecessors, (1442), 273 states have call successors, (273), 103 states have call predecessors, (273), 102 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 07:27:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1982 transitions. [2021-11-20 07:27:25,998 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1982 transitions. Word has length 34 [2021-11-20 07:27:25,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:25,999 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 1982 transitions. [2021-11-20 07:27:25,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1982 transitions. [2021-11-20 07:27:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 07:27:26,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:26,001 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:26,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:26,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:26,227 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:26,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:26,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1769778759, now seen corresponding path program 1 times [2021-11-20 07:27:26,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:26,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149277153] [2021-11-20 07:27:26,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:26,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:26,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:26,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149277153] [2021-11-20 07:27:26,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149277153] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:26,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353349751] [2021-11-20 07:27:26,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:26,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:26,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:26,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:26,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 07:27:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:26,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:26,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:26,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:26,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353349751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:26,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:26,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:26,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032382736] [2021-11-20 07:27:26,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:26,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:26,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:26,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:26,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:26,650 INFO L87 Difference]: Start difference. First operand 1451 states and 1982 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:26,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:26,743 INFO L93 Difference]: Finished difference Result 1473 states and 2008 transitions. [2021-11-20 07:27:26,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:26,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2021-11-20 07:27:26,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:26,755 INFO L225 Difference]: With dead ends: 1473 [2021-11-20 07:27:26,755 INFO L226 Difference]: Without dead ends: 1462 [2021-11-20 07:27:26,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:26,757 INFO L933 BasicCegarLoop]: 626 mSDtfsCounter, 609 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:26,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 639 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:26,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2021-11-20 07:27:26,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1451. [2021-11-20 07:27:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1075 states have (on average 1.3395348837209302) internal successors, (1440), 1089 states have internal predecessors, (1440), 273 states have call successors, (273), 103 states have call predecessors, (273), 102 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 07:27:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1980 transitions. [2021-11-20 07:27:26,854 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1980 transitions. Word has length 34 [2021-11-20 07:27:26,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:26,855 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 1980 transitions. [2021-11-20 07:27:26,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1980 transitions. [2021-11-20 07:27:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 07:27:26,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:26,857 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:26,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-20 07:27:27,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:27,079 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:27,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:27,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1827037061, now seen corresponding path program 1 times [2021-11-20 07:27:27,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:27,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520236411] [2021-11-20 07:27:27,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:27,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:27,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:27,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520236411] [2021-11-20 07:27:27,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520236411] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:27,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127080223] [2021-11-20 07:27:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:27,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:27,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:27,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:27,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 07:27:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:27,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:27,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:27,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:27,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:27,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127080223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:27,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:27,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:27,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70364311] [2021-11-20 07:27:27,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:27,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:27,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:27,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:27,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:27,541 INFO L87 Difference]: Start difference. First operand 1451 states and 1980 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:27,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:27,625 INFO L93 Difference]: Finished difference Result 1453 states and 1981 transitions. [2021-11-20 07:27:27,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:27,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2021-11-20 07:27:27,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:27,637 INFO L225 Difference]: With dead ends: 1453 [2021-11-20 07:27:27,637 INFO L226 Difference]: Without dead ends: 1450 [2021-11-20 07:27:27,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:27,639 INFO L933 BasicCegarLoop]: 611 mSDtfsCounter, 581 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:27,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [581 Valid, 611 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:27,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2021-11-20 07:27:27,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1450. [2021-11-20 07:27:27,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1075 states have (on average 1.3386046511627907) internal successors, (1439), 1088 states have internal predecessors, (1439), 272 states have call successors, (272), 103 states have call predecessors, (272), 102 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 07:27:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1978 transitions. [2021-11-20 07:27:27,736 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1978 transitions. Word has length 34 [2021-11-20 07:27:27,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:27,736 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 1978 transitions. [2021-11-20 07:27:27,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-20 07:27:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1978 transitions. [2021-11-20 07:27:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 07:27:27,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:27,738 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:27,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:27,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:27,963 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:27,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:27,963 INFO L85 PathProgramCache]: Analyzing trace with hash 803324642, now seen corresponding path program 1 times [2021-11-20 07:27:27,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:27,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924408657] [2021-11-20 07:27:27,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:27,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:28,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:28,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924408657] [2021-11-20 07:27:28,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924408657] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:28,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252976532] [2021-11-20 07:27:28,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:28,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:28,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:28,039 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:28,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 07:27:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:28,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:28,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:28,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:28,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252976532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:28,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:28,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:28,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285004169] [2021-11-20 07:27:28,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:28,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:28,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:28,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:28,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:28,394 INFO L87 Difference]: Start difference. First operand 1450 states and 1978 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-20 07:27:28,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:28,484 INFO L93 Difference]: Finished difference Result 1452 states and 1979 transitions. [2021-11-20 07:27:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:28,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 35 [2021-11-20 07:27:28,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:28,495 INFO L225 Difference]: With dead ends: 1452 [2021-11-20 07:27:28,496 INFO L226 Difference]: Without dead ends: 1449 [2021-11-20 07:27:28,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:28,500 INFO L933 BasicCegarLoop]: 609 mSDtfsCounter, 578 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:28,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 609 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2021-11-20 07:27:28,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1449. [2021-11-20 07:27:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1075 states have (on average 1.3376744186046512) internal successors, (1438), 1087 states have internal predecessors, (1438), 271 states have call successors, (271), 103 states have call predecessors, (271), 102 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 07:27:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1976 transitions. [2021-11-20 07:27:28,603 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1976 transitions. Word has length 35 [2021-11-20 07:27:28,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:28,605 INFO L470 AbstractCegarLoop]: Abstraction has 1449 states and 1976 transitions. [2021-11-20 07:27:28,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-20 07:27:28,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1976 transitions. [2021-11-20 07:27:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 07:27:28,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:28,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:28,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:28,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:28,832 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash -866984408, now seen corresponding path program 1 times [2021-11-20 07:27:28,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:28,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506622303] [2021-11-20 07:27:28,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:28,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:28,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:28,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506622303] [2021-11-20 07:27:28,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506622303] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:28,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497006206] [2021-11-20 07:27:28,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:28,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:28,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:28,906 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:28,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 07:27:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:29,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:29,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:29,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:29,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497006206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:29,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:29,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:29,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691981479] [2021-11-20 07:27:29,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:29,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:29,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:29,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:29,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:29,285 INFO L87 Difference]: Start difference. First operand 1449 states and 1976 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-20 07:27:29,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:29,370 INFO L93 Difference]: Finished difference Result 1451 states and 1977 transitions. [2021-11-20 07:27:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:29,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 36 [2021-11-20 07:27:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:29,380 INFO L225 Difference]: With dead ends: 1451 [2021-11-20 07:27:29,380 INFO L226 Difference]: Without dead ends: 1448 [2021-11-20 07:27:29,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:29,382 INFO L933 BasicCegarLoop]: 607 mSDtfsCounter, 575 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:29,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [575 Valid, 607 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:29,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2021-11-20 07:27:29,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1448. [2021-11-20 07:27:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1448 states, 1075 states have (on average 1.3367441860465117) internal successors, (1437), 1086 states have internal predecessors, (1437), 270 states have call successors, (270), 103 states have call predecessors, (270), 102 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2021-11-20 07:27:29,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 1974 transitions. [2021-11-20 07:27:29,485 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 1974 transitions. Word has length 36 [2021-11-20 07:27:29,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:29,485 INFO L470 AbstractCegarLoop]: Abstraction has 1448 states and 1974 transitions. [2021-11-20 07:27:29,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-20 07:27:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1974 transitions. [2021-11-20 07:27:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 07:27:29,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:29,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:29,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:29,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 07:27:29,715 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:29,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:29,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1106952539, now seen corresponding path program 1 times [2021-11-20 07:27:29,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:29,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305751457] [2021-11-20 07:27:29,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:29,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:29,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:29,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305751457] [2021-11-20 07:27:29,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305751457] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:29,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553477423] [2021-11-20 07:27:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:29,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:29,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:29,800 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:29,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:27:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:30,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:30,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:30,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:30,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553477423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:30,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:30,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:30,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977191537] [2021-11-20 07:27:30,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:30,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:30,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:30,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:30,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:30,171 INFO L87 Difference]: Start difference. First operand 1448 states and 1974 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-11-20 07:27:30,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:30,339 INFO L93 Difference]: Finished difference Result 1931 states and 2596 transitions. [2021-11-20 07:27:30,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:30,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 37 [2021-11-20 07:27:30,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:30,355 INFO L225 Difference]: With dead ends: 1931 [2021-11-20 07:27:30,355 INFO L226 Difference]: Without dead ends: 1898 [2021-11-20 07:27:30,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:30,358 INFO L933 BasicCegarLoop]: 671 mSDtfsCounter, 532 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:30,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [532 Valid, 935 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:30,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2021-11-20 07:27:30,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1898. [2021-11-20 07:27:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1898 states, 1376 states have (on average 1.3103197674418605) internal successors, (1803), 1391 states have internal predecessors, (1803), 375 states have call successors, (375), 147 states have call predecessors, (375), 146 states have return successors, (374), 374 states have call predecessors, (374), 374 states have call successors, (374) [2021-11-20 07:27:30,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 2552 transitions. [2021-11-20 07:27:30,525 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 2552 transitions. Word has length 37 [2021-11-20 07:27:30,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:30,525 INFO L470 AbstractCegarLoop]: Abstraction has 1898 states and 2552 transitions. [2021-11-20 07:27:30,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-11-20 07:27:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2552 transitions. [2021-11-20 07:27:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-20 07:27:30,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:30,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:30,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:30,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:30,755 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:30,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:30,755 INFO L85 PathProgramCache]: Analyzing trace with hash -230748463, now seen corresponding path program 1 times [2021-11-20 07:27:30,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:30,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265071715] [2021-11-20 07:27:30,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:30,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-20 07:27:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:27:30,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:30,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265071715] [2021-11-20 07:27:30,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265071715] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:30,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432312934] [2021-11-20 07:27:30,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:30,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:30,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:30,838 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:30,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:27:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:31,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:27:31,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:31,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:31,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432312934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:31,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:31,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:31,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198905090] [2021-11-20 07:27:31,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:31,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:31,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:31,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:31,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:31,273 INFO L87 Difference]: Start difference. First operand 1898 states and 2552 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-20 07:27:31,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:31,420 INFO L93 Difference]: Finished difference Result 3813 states and 5131 transitions. [2021-11-20 07:27:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:31,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 59 [2021-11-20 07:27:31,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:31,438 INFO L225 Difference]: With dead ends: 3813 [2021-11-20 07:27:31,438 INFO L226 Difference]: Without dead ends: 1918 [2021-11-20 07:27:31,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:31,447 INFO L933 BasicCegarLoop]: 571 mSDtfsCounter, 9 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:31,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 1136 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:31,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2021-11-20 07:27:31,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1902. [2021-11-20 07:27:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1380 states have (on average 1.3094202898550724) internal successors, (1807), 1395 states have internal predecessors, (1807), 375 states have call successors, (375), 147 states have call predecessors, (375), 146 states have return successors, (374), 374 states have call predecessors, (374), 374 states have call successors, (374) [2021-11-20 07:27:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2556 transitions. [2021-11-20 07:27:31,629 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2556 transitions. Word has length 59 [2021-11-20 07:27:31,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:31,630 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 2556 transitions. [2021-11-20 07:27:31,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-20 07:27:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2556 transitions. [2021-11-20 07:27:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 07:27:31,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:31,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:31,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:31,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:31,847 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:27:31,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1850560836, now seen corresponding path program 1 times [2021-11-20 07:27:31,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:31,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946819620] [2021-11-20 07:27:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:31,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:27:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 07:27:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:27:31,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:31,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946819620] [2021-11-20 07:27:31,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946819620] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:27:31,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173232400] [2021-11-20 07:27:31,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:31,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:27:31,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:31,947 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:27:31,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:27:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:27:32,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:27:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:27:32,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:27:32,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173232400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:32,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 07:27:32,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 07:27:32,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072337863] [2021-11-20 07:27:32,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:32,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:27:32,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:32,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:27:32,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:32,380 INFO L87 Difference]: Start difference. First operand 1902 states and 2556 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-20 07:27:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:32,482 INFO L93 Difference]: Finished difference Result 1902 states and 2556 transitions. [2021-11-20 07:27:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:27:32,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 63 [2021-11-20 07:27:32,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:32,484 INFO L225 Difference]: With dead ends: 1902 [2021-11-20 07:27:32,484 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:27:32,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:27:32,491 INFO L933 BasicCegarLoop]: 773 mSDtfsCounter, 254 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:32,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 1308 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:27:32,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:27:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:27:32,493 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) [2021-11-20 07:27:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:27:32,494 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-11-20 07:27:32,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:32,494 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:27:32,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-20 07:27:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:27:32,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:27:32,497 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:27:32,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:27:32,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-20 07:27:32,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:27:38,995 INFO L858 garLoopResultBuilder]: For program point L2977(line 2977) no Hoare annotation was computed. [2021-11-20 07:27:38,995 INFO L858 garLoopResultBuilder]: For program point L2971-1(line 2971) no Hoare annotation was computed. [2021-11-20 07:27:38,995 INFO L861 garLoopResultBuilder]: At program point L2971(line 2971) the Hoare annotation is: true [2021-11-20 07:27:38,996 INFO L858 garLoopResultBuilder]: For program point L2967(lines 2967 2978) no Hoare annotation was computed. [2021-11-20 07:27:38,996 INFO L858 garLoopResultBuilder]: For program point L2967-2(lines 2963 2979) no Hoare annotation was computed. [2021-11-20 07:27:38,996 INFO L858 garLoopResultBuilder]: For program point L2963(lines 2963 2979) no Hoare annotation was computed. [2021-11-20 07:27:38,996 INFO L861 garLoopResultBuilder]: At program point L2961-1(line 2961) the Hoare annotation is: true [2021-11-20 07:27:38,996 INFO L861 garLoopResultBuilder]: At program point L2961(line 2961) the Hoare annotation is: true [2021-11-20 07:27:38,996 INFO L861 garLoopResultBuilder]: At program point copy_from_userENTRY(lines 2951 2982) the Hoare annotation is: true [2021-11-20 07:27:38,996 INFO L858 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2951 2982) no Hoare annotation was computed. [2021-11-20 07:27:38,997 INFO L858 garLoopResultBuilder]: For program point L2972(lines 2972 2976) no Hoare annotation was computed. [2021-11-20 07:27:38,997 INFO L861 garLoopResultBuilder]: At program point L2972-2(lines 2972 2976) the Hoare annotation is: true [2021-11-20 07:27:38,997 INFO L861 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2021-11-20 07:27:38,997 INFO L861 garLoopResultBuilder]: At program point L2966(line 2966) the Hoare annotation is: true [2021-11-20 07:27:38,997 INFO L858 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2021-11-20 07:27:38,997 INFO L861 garLoopResultBuilder]: At program point L2964(line 2964) the Hoare annotation is: true [2021-11-20 07:27:38,998 INFO L858 garLoopResultBuilder]: For program point L2966-1(line 2966) no Hoare annotation was computed. [2021-11-20 07:27:38,998 INFO L858 garLoopResultBuilder]: For program point L2962(line 2962) no Hoare annotation was computed. [2021-11-20 07:27:38,998 INFO L858 garLoopResultBuilder]: For program point L2964-1(line 2964) no Hoare annotation was computed. [2021-11-20 07:27:38,998 INFO L858 garLoopResultBuilder]: For program point copy_from_userFINAL(lines 2951 2982) no Hoare annotation was computed. [2021-11-20 07:27:38,998 INFO L861 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 4566 4568) the Hoare annotation is: true [2021-11-20 07:27:38,998 INFO L858 garLoopResultBuilder]: For program point pi_releaseFINAL(lines 4566 4568) no Hoare annotation was computed. [2021-11-20 07:27:38,999 INFO L858 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 4566 4568) no Hoare annotation was computed. [2021-11-20 07:27:38,999 INFO L858 garLoopResultBuilder]: For program point pi_initEXIT(lines 4556 4558) no Hoare annotation was computed. [2021-11-20 07:27:38,999 INFO L861 garLoopResultBuilder]: At program point pi_initENTRY(lines 4556 4558) the Hoare annotation is: true [2021-11-20 07:27:38,999 INFO L858 garLoopResultBuilder]: For program point pi_initFINAL(lines 4556 4558) no Hoare annotation was computed. [2021-11-20 07:27:38,999 INFO L858 garLoopResultBuilder]: For program point write_regFINAL(lines 3063 3069) no Hoare annotation was computed. [2021-11-20 07:27:38,999 INFO L861 garLoopResultBuilder]: At program point L4573(lines 4572 4574) the Hoare annotation is: true [2021-11-20 07:27:38,999 INFO L861 garLoopResultBuilder]: At program point write_regENTRY(lines 3063 3069) the Hoare annotation is: true [2021-11-20 07:27:39,000 INFO L858 garLoopResultBuilder]: For program point write_regEXIT(lines 3063 3069) no Hoare annotation was computed. [2021-11-20 07:27:39,000 INFO L858 garLoopResultBuilder]: For program point pg_sleepEXIT(lines 3076 3082) no Hoare annotation was computed. [2021-11-20 07:27:39,000 INFO L861 garLoopResultBuilder]: At program point pg_sleepENTRY(lines 3076 3082) the Hoare annotation is: true [2021-11-20 07:27:39,000 INFO L858 garLoopResultBuilder]: For program point pg_sleepFINAL(lines 3076 3082) no Hoare annotation was computed. [2021-11-20 07:27:39,000 INFO L861 garLoopResultBuilder]: At program point L4581(lines 4580 4582) the Hoare annotation is: true [2021-11-20 07:27:39,000 INFO L861 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 4563 4565) the Hoare annotation is: true [2021-11-20 07:27:39,001 INFO L858 garLoopResultBuilder]: For program point pi_read_regrFINAL(lines 4563 4565) no Hoare annotation was computed. [2021-11-20 07:27:39,001 INFO L858 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 4563 4565) no Hoare annotation was computed. [2021-11-20 07:27:39,001 INFO L861 garLoopResultBuilder]: At program point might_faultFINAL(lines 4532 4534) the Hoare annotation is: true [2021-11-20 07:27:39,001 INFO L858 garLoopResultBuilder]: For program point might_faultEXIT(lines 4532 4534) no Hoare annotation was computed. [2021-11-20 07:27:39,001 INFO L861 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 4552 4554) the Hoare annotation is: true [2021-11-20 07:27:39,001 INFO L858 garLoopResultBuilder]: For program point pi_disconnectFINAL(lines 4552 4554) no Hoare annotation was computed. [2021-11-20 07:27:39,002 INFO L858 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 4552 4554) no Hoare annotation was computed. [2021-11-20 07:27:39,002 INFO L858 garLoopResultBuilder]: For program point L3425(lines 3425 3429) no Hoare annotation was computed. [2021-11-20 07:27:39,002 INFO L858 garLoopResultBuilder]: For program point pg_probeEXIT(lines 3407 3441) no Hoare annotation was computed. [2021-11-20 07:27:39,002 INFO L858 garLoopResultBuilder]: For program point L3419-1(line 3419) no Hoare annotation was computed. [2021-11-20 07:27:39,002 INFO L861 garLoopResultBuilder]: At program point L3419(line 3419) the Hoare annotation is: true [2021-11-20 07:27:39,002 INFO L858 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2021-11-20 07:27:39,002 INFO L861 garLoopResultBuilder]: At program point L3413-1(lines 3413 3438) the Hoare annotation is: true [2021-11-20 07:27:39,003 INFO L858 garLoopResultBuilder]: For program point L3413(lines 3413 3438) no Hoare annotation was computed. [2021-11-20 07:27:39,003 INFO L861 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2021-11-20 07:27:39,003 INFO L861 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2021-11-20 07:27:39,003 INFO L858 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2021-11-20 07:27:39,003 INFO L858 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2021-11-20 07:27:39,003 INFO L861 garLoopResultBuilder]: At program point L3426(lines 3413 3431) the Hoare annotation is: true [2021-11-20 07:27:39,004 INFO L861 garLoopResultBuilder]: At program point L3424(lines 3413 3431) the Hoare annotation is: true [2021-11-20 07:27:39,004 INFO L858 garLoopResultBuilder]: For program point pg_probeFINAL(lines 3407 3441) no Hoare annotation was computed. [2021-11-20 07:27:39,004 INFO L858 garLoopResultBuilder]: For program point L3418(lines 3418 3422) no Hoare annotation was computed. [2021-11-20 07:27:39,004 INFO L861 garLoopResultBuilder]: At program point pg_probeENTRY(lines 3407 3441) the Hoare annotation is: true [2021-11-20 07:27:39,004 INFO L858 garLoopResultBuilder]: For program point L3433(lines 3433 3437) no Hoare annotation was computed. [2021-11-20 07:27:39,004 INFO L861 garLoopResultBuilder]: At program point L3052(line 3052) the Hoare annotation is: true [2021-11-20 07:27:39,005 INFO L858 garLoopResultBuilder]: For program point L3052-1(line 3052) no Hoare annotation was computed. [2021-11-20 07:27:39,005 INFO L858 garLoopResultBuilder]: For program point status_regEXIT(lines 3049 3055) no Hoare annotation was computed. [2021-11-20 07:27:39,005 INFO L861 garLoopResultBuilder]: At program point status_regENTRY(lines 3049 3055) the Hoare annotation is: true [2021-11-20 07:27:39,005 INFO L858 garLoopResultBuilder]: For program point status_regFINAL(lines 3049 3055) no Hoare annotation was computed. [2021-11-20 07:27:39,005 INFO L858 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2021-11-20 07:27:39,005 INFO L858 garLoopResultBuilder]: For program point L3231-1(line 3231) no Hoare annotation was computed. [2021-11-20 07:27:39,005 INFO L861 garLoopResultBuilder]: At program point L3231(line 3231) the Hoare annotation is: true [2021-11-20 07:27:39,006 INFO L861 garLoopResultBuilder]: At program point L3240(line 3240) the Hoare annotation is: true [2021-11-20 07:27:39,006 INFO L858 garLoopResultBuilder]: For program point L3207-1(line 3207) no Hoare annotation was computed. [2021-11-20 07:27:39,006 INFO L861 garLoopResultBuilder]: At program point L3207(line 3207) the Hoare annotation is: true [2021-11-20 07:27:39,006 INFO L858 garLoopResultBuilder]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2021-11-20 07:27:39,006 INFO L861 garLoopResultBuilder]: At program point L3232(lines 3201 3242) the Hoare annotation is: true [2021-11-20 07:27:39,006 INFO L858 garLoopResultBuilder]: For program point L3220-1(lines 3220 3228) no Hoare annotation was computed. [2021-11-20 07:27:39,007 INFO L858 garLoopResultBuilder]: For program point L3216-1(lines 3201 3242) no Hoare annotation was computed. [2021-11-20 07:27:39,007 INFO L858 garLoopResultBuilder]: For program point L3212(lines 3212 3215) no Hoare annotation was computed. [2021-11-20 07:27:39,007 INFO L858 garLoopResultBuilder]: For program point L3212-2(lines 3201 3242) no Hoare annotation was computed. [2021-11-20 07:27:39,007 INFO L861 garLoopResultBuilder]: At program point L3237(lines 3201 3242) the Hoare annotation is: true [2021-11-20 07:27:39,007 INFO L858 garLoopResultBuilder]: For program point L3233(line 3233) no Hoare annotation was computed. [2021-11-20 07:27:39,007 INFO L858 garLoopResultBuilder]: For program point L3221(lines 3221 3225) no Hoare annotation was computed. [2021-11-20 07:27:39,008 INFO L858 garLoopResultBuilder]: For program point L3221-2(lines 3221 3225) no Hoare annotation was computed. [2021-11-20 07:27:39,008 INFO L858 garLoopResultBuilder]: For program point L3213-1(line 3213) no Hoare annotation was computed. [2021-11-20 07:27:39,008 INFO L858 garLoopResultBuilder]: For program point pg_completionFINAL(lines 3191 3243) no Hoare annotation was computed. [2021-11-20 07:27:39,008 INFO L861 garLoopResultBuilder]: At program point L3213(line 3213) the Hoare annotation is: true [2021-11-20 07:27:39,008 INFO L858 garLoopResultBuilder]: For program point L3234(lines 3234 3238) no Hoare annotation was computed. [2021-11-20 07:27:39,008 INFO L858 garLoopResultBuilder]: For program point pg_completionEXIT(lines 3191 3243) no Hoare annotation was computed. [2021-11-20 07:27:39,009 INFO L861 garLoopResultBuilder]: At program point L4560(lines 4559 4561) the Hoare annotation is: true [2021-11-20 07:27:39,009 INFO L861 garLoopResultBuilder]: At program point pg_completionENTRY(lines 3191 3243) the Hoare annotation is: true [2021-11-20 07:27:39,009 INFO L861 garLoopResultBuilder]: At program point L3210(line 3210) the Hoare annotation is: true [2021-11-20 07:27:39,009 INFO L858 garLoopResultBuilder]: For program point L3210-1(line 3210) no Hoare annotation was computed. [2021-11-20 07:27:39,009 INFO L858 garLoopResultBuilder]: For program point L3206(line 3206) no Hoare annotation was computed. [2021-11-20 07:27:39,009 INFO L861 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2021-11-20 07:27:39,010 INFO L861 garLoopResultBuilder]: At program point L3235(lines 3201 3242) the Hoare annotation is: true [2021-11-20 07:27:39,010 INFO L854 garLoopResultBuilder]: At program point ldv_unregister_chrdev_11ENTRY(lines 4032 4039) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_retval_1~0 0)) (not (= ~ldv_mutex_pg_mutex~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|)) [2021-11-20 07:27:39,010 INFO L854 garLoopResultBuilder]: At program point L4513(lines 4512 4514) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_retval_1~0 0)) (not (= ~ldv_mutex_pg_mutex~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|)) [2021-11-20 07:27:39,010 INFO L858 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11EXIT(lines 4032 4039) no Hoare annotation was computed. [2021-11-20 07:27:39,010 INFO L858 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11FINAL(lines 4032 4039) no Hoare annotation was computed. [2021-11-20 07:27:39,011 INFO L854 garLoopResultBuilder]: At program point L2903(lines 2899 2905) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= ~ldv_retval_1~0 0)) (not (= ~ldv_mutex_pg_mutex~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~disable~0 0)) (= ~ldv_state_variable_1~0 |old(~ldv_state_variable_1~0)|)) [2021-11-20 07:27:39,011 INFO L858 garLoopResultBuilder]: For program point DRIVEFINAL(lines 3070 3075) no Hoare annotation was computed. [2021-11-20 07:27:39,011 INFO L858 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3070 3075) no Hoare annotation was computed. [2021-11-20 07:27:39,011 INFO L861 garLoopResultBuilder]: At program point DRIVEENTRY(lines 3070 3075) the Hoare annotation is: true [2021-11-20 07:27:39,011 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 4542 4544) the Hoare annotation is: true [2021-11-20 07:27:39,011 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 4542 4544) no Hoare annotation was computed. [2021-11-20 07:27:39,012 INFO L858 garLoopResultBuilder]: For program point mutex_unlockFINAL(lines 4542 4544) no Hoare annotation was computed. [2021-11-20 07:27:39,012 INFO L858 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 2983 2990) no Hoare annotation was computed. [2021-11-20 07:27:39,012 INFO L861 garLoopResultBuilder]: At program point copy_to_userENTRY(lines 2983 2990) the Hoare annotation is: true [2021-11-20 07:27:39,012 INFO L858 garLoopResultBuilder]: For program point copy_to_userFINAL(lines 2983 2990) no Hoare annotation was computed. [2021-11-20 07:27:39,012 INFO L861 garLoopResultBuilder]: At program point L2986(line 2986) the Hoare annotation is: true [2021-11-20 07:27:39,012 INFO L858 garLoopResultBuilder]: For program point L2986-1(line 2986) no Hoare annotation was computed. [2021-11-20 07:27:39,012 INFO L861 garLoopResultBuilder]: At program point L4521(lines 4520 4522) the Hoare annotation is: true [2021-11-20 07:27:39,013 INFO L858 garLoopResultBuilder]: For program point L3105(line 3105) no Hoare annotation was computed. [2021-11-20 07:27:39,013 INFO L858 garLoopResultBuilder]: For program point pg_waitFINAL(lines 3083 3137) no Hoare annotation was computed. [2021-11-20 07:27:39,013 INFO L858 garLoopResultBuilder]: For program point L3099(lines 3099 3103) no Hoare annotation was computed. [2021-11-20 07:27:39,013 INFO L858 garLoopResultBuilder]: For program point L3118(lines 3118 3122) no Hoare annotation was computed. [2021-11-20 07:27:39,013 INFO L861 garLoopResultBuilder]: At program point L3116(line 3116) the Hoare annotation is: true [2021-11-20 07:27:39,013 INFO L858 garLoopResultBuilder]: For program point L3118-2(lines 3118 3122) no Hoare annotation was computed. [2021-11-20 07:27:39,014 INFO L861 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: true [2021-11-20 07:27:39,014 INFO L858 garLoopResultBuilder]: For program point L3116-1(line 3116) no Hoare annotation was computed. [2021-11-20 07:27:39,014 INFO L858 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2021-11-20 07:27:39,014 INFO L861 garLoopResultBuilder]: At program point pg_waitENTRY(lines 3083 3137) the Hoare annotation is: true [2021-11-20 07:27:39,014 INFO L858 garLoopResultBuilder]: For program point L3106(lines 3106 3110) no Hoare annotation was computed. [2021-11-20 07:27:39,014 INFO L858 garLoopResultBuilder]: For program point pg_waitEXIT(lines 3083 3137) no Hoare annotation was computed. [2021-11-20 07:27:39,014 INFO L861 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: true [2021-11-20 07:27:39,015 INFO L861 garLoopResultBuilder]: At program point L4506(lines 4505 4507) the Hoare annotation is: true [2021-11-20 07:27:39,015 INFO L861 garLoopResultBuilder]: At program point L3102-1(lines 3092 3136) the Hoare annotation is: true [2021-11-20 07:27:39,015 INFO L858 garLoopResultBuilder]: For program point L3127-1(lines 3127 3130) no Hoare annotation was computed. [2021-11-20 07:27:39,015 INFO L858 garLoopResultBuilder]: For program point L3117(lines 3117 3126) no Hoare annotation was computed. [2021-11-20 07:27:39,015 INFO L858 garLoopResultBuilder]: For program point L3115-1(line 3115) no Hoare annotation was computed. [2021-11-20 07:27:39,015 INFO L861 garLoopResultBuilder]: At program point L3115(line 3115) the Hoare annotation is: true [2021-11-20 07:27:39,016 INFO L858 garLoopResultBuilder]: For program point L3117-2(lines 3113 3133) no Hoare annotation was computed. [2021-11-20 07:27:39,016 INFO L858 garLoopResultBuilder]: For program point L3113(lines 3113 3134) no Hoare annotation was computed. [2021-11-20 07:27:39,016 INFO L861 garLoopResultBuilder]: At program point L3109(lines 3092 3136) the Hoare annotation is: true [2021-11-20 07:27:39,016 INFO L861 garLoopResultBuilder]: At program point L3107(lines 3092 3136) the Hoare annotation is: true [2021-11-20 07:27:39,016 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 4041 4046) no Hoare annotation was computed. [2021-11-20 07:27:39,016 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 4041 4046) the Hoare annotation is: true [2021-11-20 07:27:39,017 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4044) no Hoare annotation was computed. [2021-11-20 07:27:39,017 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4041 4046) no Hoare annotation was computed. [2021-11-20 07:27:39,017 INFO L861 garLoopResultBuilder]: At program point L3582(line 3582) the Hoare annotation is: true [2021-11-20 07:27:39,017 INFO L858 garLoopResultBuilder]: For program point L3582-1(line 3582) no Hoare annotation was computed. [2021-11-20 07:27:39,017 INFO L858 garLoopResultBuilder]: For program point L3578(lines 3578 3581) no Hoare annotation was computed. [2021-11-20 07:27:39,017 INFO L858 garLoopResultBuilder]: For program point L3574(lines 3574 3577) no Hoare annotation was computed. [2021-11-20 07:27:39,018 INFO L858 garLoopResultBuilder]: For program point pg_writeEXIT(lines 3563 3636) no Hoare annotation was computed. [2021-11-20 07:27:39,018 INFO L858 garLoopResultBuilder]: For program point L3599(lines 3599 3611) no Hoare annotation was computed. [2021-11-20 07:27:39,018 INFO L861 garLoopResultBuilder]: At program point L3628(lines 3628 3629) the Hoare annotation is: true [2021-11-20 07:27:39,018 INFO L858 garLoopResultBuilder]: For program point L3595(lines 3595 3598) no Hoare annotation was computed. [2021-11-20 07:27:39,018 INFO L858 garLoopResultBuilder]: For program point L3628-1(lines 3628 3629) no Hoare annotation was computed. [2021-11-20 07:27:39,018 INFO L858 garLoopResultBuilder]: For program point L3591(lines 3591 3594) no Hoare annotation was computed. [2021-11-20 07:27:39,018 INFO L858 garLoopResultBuilder]: For program point L3620(lines 3620 3623) no Hoare annotation was computed. [2021-11-20 07:27:39,019 INFO L858 garLoopResultBuilder]: For program point L3587(lines 3587 3590) no Hoare annotation was computed. [2021-11-20 07:27:39,019 INFO L858 garLoopResultBuilder]: For program point pg_writeFINAL(lines 3563 3636) no Hoare annotation was computed. [2021-11-20 07:27:39,019 INFO L858 garLoopResultBuilder]: For program point L3583(lines 3583 3586) no Hoare annotation was computed. [2021-11-20 07:27:39,019 INFO L858 garLoopResultBuilder]: For program point L3612(lines 3612 3615) no Hoare annotation was computed. [2021-11-20 07:27:39,019 INFO L861 garLoopResultBuilder]: At program point L3604(line 3604) the Hoare annotation is: true [2021-11-20 07:27:39,019 INFO L861 garLoopResultBuilder]: At program point pg_writeENTRY(lines 3563 3636) the Hoare annotation is: true [2021-11-20 07:27:39,020 INFO L858 garLoopResultBuilder]: For program point L3604-1(line 3604) no Hoare annotation was computed. [2021-11-20 07:27:39,020 INFO L858 garLoopResultBuilder]: For program point L3600(lines 3600 3603) no Hoare annotation was computed. [2021-11-20 07:27:39,020 INFO L858 garLoopResultBuilder]: For program point L3605(lines 3605 3608) no Hoare annotation was computed. [2021-11-20 07:27:39,020 INFO L858 garLoopResultBuilder]: For program point L3630(lines 3630 3633) no Hoare annotation was computed. [2021-11-20 07:27:39,020 INFO L861 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2021-11-20 07:27:39,020 INFO L858 garLoopResultBuilder]: For program point L3618-1(line 3618) no Hoare annotation was computed. [2021-11-20 07:27:39,020 INFO L858 garLoopResultBuilder]: For program point L3619(lines 3619 3626) no Hoare annotation was computed. [2021-11-20 07:27:39,021 INFO L861 garLoopResultBuilder]: At program point pi_connectENTRY(lines 4549 4551) the Hoare annotation is: true [2021-11-20 07:27:39,021 INFO L858 garLoopResultBuilder]: For program point pi_connectEXIT(lines 4549 4551) no Hoare annotation was computed. [2021-11-20 07:27:39,021 INFO L858 garLoopResultBuilder]: For program point pi_connectFINAL(lines 4549 4551) no Hoare annotation was computed. [2021-11-20 07:27:39,021 INFO L858 garLoopResultBuilder]: For program point L3161-1(line 3161) no Hoare annotation was computed. [2021-11-20 07:27:39,021 INFO L861 garLoopResultBuilder]: At program point L3161(line 3161) the Hoare annotation is: true [2021-11-20 07:27:39,021 INFO L858 garLoopResultBuilder]: For program point pg_commandEXIT(lines 3138 3190) no Hoare annotation was computed. [2021-11-20 07:27:39,022 INFO L858 garLoopResultBuilder]: For program point L3157(lines 3157 3160) no Hoare annotation was computed. [2021-11-20 07:27:39,022 INFO L861 garLoopResultBuilder]: At program point L3153-1(line 3153) the Hoare annotation is: true [2021-11-20 07:27:39,022 INFO L861 garLoopResultBuilder]: At program point L3153(line 3153) the Hoare annotation is: true [2021-11-20 07:27:39,022 INFO L858 garLoopResultBuilder]: For program point L3149(lines 3149 3152) no Hoare annotation was computed. [2021-11-20 07:27:39,022 INFO L858 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2021-11-20 07:27:39,022 INFO L861 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2021-11-20 07:27:39,023 INFO L858 garLoopResultBuilder]: For program point L3162(lines 3162 3166) no Hoare annotation was computed. [2021-11-20 07:27:39,023 INFO L861 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2021-11-20 07:27:39,023 INFO L858 garLoopResultBuilder]: For program point L3187-1(line 3187) no Hoare annotation was computed. [2021-11-20 07:27:39,023 INFO L861 garLoopResultBuilder]: At program point L3187(line 3187) the Hoare annotation is: true [2021-11-20 07:27:39,023 INFO L861 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2021-11-20 07:27:39,023 INFO L861 garLoopResultBuilder]: At program point L3179(lines 3168 3183) the Hoare annotation is: true [2021-11-20 07:27:39,023 INFO L858 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2021-11-20 07:27:39,024 INFO L861 garLoopResultBuilder]: At program point L3175(lines 3168 3183) the Hoare annotation is: true [2021-11-20 07:27:39,024 INFO L858 garLoopResultBuilder]: For program point L3167-1(line 3167) no Hoare annotation was computed. [2021-11-20 07:27:39,024 INFO L861 garLoopResultBuilder]: At program point L3167(line 3167) the Hoare annotation is: true [2021-11-20 07:27:39,024 INFO L861 garLoopResultBuilder]: At program point L3155(line 3155) the Hoare annotation is: true [2021-11-20 07:27:39,024 INFO L861 garLoopResultBuilder]: At program point L3147-1(line 3147) the Hoare annotation is: true [2021-11-20 07:27:39,024 INFO L861 garLoopResultBuilder]: At program point L3147(line 3147) the Hoare annotation is: true [2021-11-20 07:27:39,025 INFO L858 garLoopResultBuilder]: For program point L3168(lines 3168 3184) no Hoare annotation was computed. [2021-11-20 07:27:39,025 INFO L858 garLoopResultBuilder]: For program point L3168-2(lines 3168 3184) no Hoare annotation was computed. [2021-11-20 07:27:39,025 INFO L861 garLoopResultBuilder]: At program point L3164(lines 3144 3189) the Hoare annotation is: true [2021-11-20 07:27:39,025 INFO L858 garLoopResultBuilder]: For program point pg_commandFINAL(lines 3138 3190) no Hoare annotation was computed. [2021-11-20 07:27:39,025 INFO L858 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2021-11-20 07:27:39,025 INFO L858 garLoopResultBuilder]: For program point L3148(line 3148) no Hoare annotation was computed. [2021-11-20 07:27:39,025 INFO L861 garLoopResultBuilder]: At program point pg_commandENTRY(lines 3138 3190) the Hoare annotation is: true [2021-11-20 07:27:39,026 INFO L861 garLoopResultBuilder]: At program point L3177(lines 3168 3183) the Hoare annotation is: true [2021-11-20 07:27:39,026 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 4048 4053) no Hoare annotation was computed. [2021-11-20 07:27:39,026 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 4048 4053) the Hoare annotation is: true [2021-11-20 07:27:39,026 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4048 4053) no Hoare annotation was computed. [2021-11-20 07:27:39,026 INFO L861 garLoopResultBuilder]: At program point clear_bitENTRY(lines 2805 2811) the Hoare annotation is: true [2021-11-20 07:27:39,026 INFO L858 garLoopResultBuilder]: For program point clear_bitFINAL(lines 2805 2811) no Hoare annotation was computed. [2021-11-20 07:27:39,027 INFO L858 garLoopResultBuilder]: For program point clear_bitEXIT(lines 2805 2811) no Hoare annotation was computed. [2021-11-20 07:27:39,027 INFO L858 garLoopResultBuilder]: For program point read_regFINAL(lines 3056 3062) no Hoare annotation was computed. [2021-11-20 07:27:39,027 INFO L858 garLoopResultBuilder]: For program point read_regEXIT(lines 3056 3062) no Hoare annotation was computed. [2021-11-20 07:27:39,027 INFO L861 garLoopResultBuilder]: At program point read_regENTRY(lines 3056 3062) the Hoare annotation is: true [2021-11-20 07:27:39,027 INFO L858 garLoopResultBuilder]: For program point L3059-1(line 3059) no Hoare annotation was computed. [2021-11-20 07:27:39,027 INFO L861 garLoopResultBuilder]: At program point L3059(line 3059) the Hoare annotation is: true [2021-11-20 07:27:39,028 INFO L858 garLoopResultBuilder]: For program point L3264(line 3264) no Hoare annotation was computed. [2021-11-20 07:27:39,028 INFO L861 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2021-11-20 07:27:39,028 INFO L861 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2021-11-20 07:27:39,028 INFO L858 garLoopResultBuilder]: For program point L3260-1(line 3260) no Hoare annotation was computed. [2021-11-20 07:27:39,028 INFO L858 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2021-11-20 07:27:39,028 INFO L861 garLoopResultBuilder]: At program point L3310(lines 3301 3320) the Hoare annotation is: true [2021-11-20 07:27:39,028 INFO L858 garLoopResultBuilder]: For program point L3273-1(line 3273) no Hoare annotation was computed. [2021-11-20 07:27:39,029 INFO L861 garLoopResultBuilder]: At program point L3273(line 3273) the Hoare annotation is: true [2021-11-20 07:27:39,029 INFO L858 garLoopResultBuilder]: For program point L3261-1(line 3261) no Hoare annotation was computed. [2021-11-20 07:27:39,029 INFO L861 garLoopResultBuilder]: At program point L3261(line 3261) the Hoare annotation is: true [2021-11-20 07:27:39,029 INFO L861 garLoopResultBuilder]: At program point L3290(lines 3254 3324) the Hoare annotation is: true [2021-11-20 07:27:39,029 INFO L858 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2021-11-20 07:27:39,029 INFO L858 garLoopResultBuilder]: For program point L3315-1(lines 3315 3318) no Hoare annotation was computed. [2021-11-20 07:27:39,030 INFO L858 garLoopResultBuilder]: For program point pg_resetFINAL(lines 3244 3325) no Hoare annotation was computed. [2021-11-20 07:27:39,030 INFO L858 garLoopResultBuilder]: For program point L3274(lines 3274 3278) no Hoare annotation was computed. [2021-11-20 07:27:39,030 INFO L861 garLoopResultBuilder]: At program point L3262(line 3262) the Hoare annotation is: true [2021-11-20 07:27:39,030 INFO L861 garLoopResultBuilder]: At program point L3262-1(line 3262) the Hoare annotation is: true [2021-11-20 07:27:39,030 INFO L861 garLoopResultBuilder]: At program point L3312(lines 3301 3320) the Hoare annotation is: true [2021-11-20 07:27:39,030 INFO L861 garLoopResultBuilder]: At program point pg_resetENTRY(lines 3244 3325) the Hoare annotation is: true [2021-11-20 07:27:39,031 INFO L861 garLoopResultBuilder]: At program point L3308(lines 3301 3320) the Hoare annotation is: true [2021-11-20 07:27:39,031 INFO L861 garLoopResultBuilder]: At program point L3275(lines 3254 3324) the Hoare annotation is: true [2021-11-20 07:27:39,031 INFO L858 garLoopResultBuilder]: For program point pg_resetEXIT(lines 3244 3325) no Hoare annotation was computed. [2021-11-20 07:27:39,031 INFO L858 garLoopResultBuilder]: For program point L3296(lines 3296 3300) no Hoare annotation was computed. [2021-11-20 07:27:39,031 INFO L858 garLoopResultBuilder]: For program point L3296-2(lines 3254 3324) no Hoare annotation was computed. [2021-11-20 07:27:39,031 INFO L861 garLoopResultBuilder]: At program point L3263(line 3263) the Hoare annotation is: true [2021-11-20 07:27:39,031 INFO L861 garLoopResultBuilder]: At program point L3292(lines 3254 3324) the Hoare annotation is: true [2021-11-20 07:27:39,032 INFO L861 garLoopResultBuilder]: At program point L3288(lines 3254 3324) the Hoare annotation is: true [2021-11-20 07:27:39,032 INFO L861 garLoopResultBuilder]: At program point L3280(lines 3254 3324) the Hoare annotation is: true [2021-11-20 07:27:39,032 INFO L858 garLoopResultBuilder]: For program point L3272(lines 3272 3281) no Hoare annotation was computed. [2021-11-20 07:27:39,032 INFO L861 garLoopResultBuilder]: At program point L3268(lines 3254 3324) the Hoare annotation is: true [2021-11-20 07:27:39,032 INFO L858 garLoopResultBuilder]: For program point L3301-1(lines 3301 3321) no Hoare annotation was computed. [2021-11-20 07:27:39,032 INFO L858 garLoopResultBuilder]: For program point L2913(lines 2913 2915) no Hoare annotation was computed. [2021-11-20 07:27:39,033 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2921 2930) the Hoare annotation is: true [2021-11-20 07:27:39,033 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2921 2930) no Hoare annotation was computed. [2021-11-20 07:27:39,033 INFO L858 garLoopResultBuilder]: For program point L2923(lines 2923 2929) no Hoare annotation was computed. [2021-11-20 07:27:39,033 INFO L861 garLoopResultBuilder]: At program point L2919(lines 2917 2920) the Hoare annotation is: true [2021-11-20 07:27:39,033 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2921 2930) no Hoare annotation was computed. [2021-11-20 07:27:39,033 INFO L858 garLoopResultBuilder]: For program point L2914(line 2914) no Hoare annotation was computed. [2021-11-20 07:27:39,034 INFO L861 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 4535 4537) the Hoare annotation is: true [2021-11-20 07:27:39,034 INFO L858 garLoopResultBuilder]: For program point mutex_lockFINAL(lines 4535 4537) no Hoare annotation was computed. [2021-11-20 07:27:39,034 INFO L858 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 4535 4537) no Hoare annotation was computed. [2021-11-20 07:27:39,034 INFO L858 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 4516 4518) no Hoare annotation was computed. [2021-11-20 07:27:39,034 INFO L861 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 4516 4518) the Hoare annotation is: true [2021-11-20 07:27:39,034 INFO L858 garLoopResultBuilder]: For program point _copy_from_userFINAL(lines 4516 4518) no Hoare annotation was computed. [2021-11-20 07:27:39,035 INFO L854 garLoopResultBuilder]: At program point L3041(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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,035 INFO L858 garLoopResultBuilder]: For program point L3669-1(lines 3669 3677) no Hoare annotation was computed. [2021-11-20 07:27:39,035 INFO L858 garLoopResultBuilder]: For program point L3669(lines 3669 3677) no Hoare annotation was computed. [2021-11-20 07:27:39,035 INFO L858 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2021-11-20 07:27:39,035 INFO L858 garLoopResultBuilder]: For program point L4462(lines 4462 4465) no Hoare annotation was computed. [2021-11-20 07:27:39,035 INFO L858 garLoopResultBuilder]: For program point L3471(lines 3471 3474) no Hoare annotation was computed. [2021-11-20 07:27:39,035 INFO L858 garLoopResultBuilder]: For program point L3901(line 3901) no Hoare annotation was computed. [2021-11-20 07:27:39,036 INFO L854 garLoopResultBuilder]: At program point L3505(lines 3442 3507) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,036 INFO L854 garLoopResultBuilder]: At program point L3043(lines 3016 3048) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,036 INFO L858 garLoopResultBuilder]: For program point L3902(lines 3902 3933) no Hoare annotation was computed. [2021-11-20 07:27:39,036 INFO L858 garLoopResultBuilder]: For program point L3935(line 3935) no Hoare annotation was computed. [2021-11-20 07:27:39,036 INFO L858 garLoopResultBuilder]: For program point L3869(line 3869) no Hoare annotation was computed. [2021-11-20 07:27:39,037 INFO L858 garLoopResultBuilder]: For program point L3803(lines 3803 3806) no Hoare annotation was computed. [2021-11-20 07:27:39,037 INFO L858 garLoopResultBuilder]: For program point L3803-2(lines 3803 3806) no Hoare annotation was computed. [2021-11-20 07:27:39,037 INFO L854 garLoopResultBuilder]: At program point L4530(lines 4529 4531) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,037 INFO L858 garLoopResultBuilder]: For program point L4464-1(lines 4462 4465) no Hoare annotation was computed. [2021-11-20 07:27:39,037 INFO L854 garLoopResultBuilder]: At program point L4497(line 4497) the Hoare annotation is: false [2021-11-20 07:27:39,037 INFO L854 garLoopResultBuilder]: At program point L4464(line 4464) the Hoare annotation is: false [2021-11-20 07:27:39,038 INFO L861 garLoopResultBuilder]: At program point L4497-1(lines 4480 4501) the Hoare annotation is: true [2021-11-20 07:27:39,038 INFO L858 garLoopResultBuilder]: For program point L3870(lines 3870 3874) no Hoare annotation was computed. [2021-11-20 07:27:39,038 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_retval_1~0 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)) [2021-11-20 07:27:39,038 INFO L858 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2021-11-20 07:27:39,038 INFO L854 garLoopResultBuilder]: At program point L3771(lines 3707 3774) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~ldv_state_variable_1~0 0) .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,038 INFO L858 garLoopResultBuilder]: For program point L3672(lines 3672 3675) no Hoare annotation was computed. [2021-11-20 07:27:39,039 INFO L858 garLoopResultBuilder]: For program point L3540(lines 3540 3546) no Hoare annotation was computed. [2021-11-20 07:27:39,039 INFO L858 garLoopResultBuilder]: For program point L3904(lines 3904 3930) no Hoare annotation was computed. [2021-11-20 07:27:39,039 INFO L858 garLoopResultBuilder]: For program point L3541-1(line 3541) no Hoare annotation was computed. [2021-11-20 07:27:39,039 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,039 INFO L858 garLoopResultBuilder]: For program point L3475-1(lines 3475 3476) no Hoare annotation was computed. [2021-11-20 07:27:39,039 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,040 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,040 INFO L858 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2021-11-20 07:27:39,040 INFO L854 garLoopResultBuilder]: At program point L3773(lines 3697 3775) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~ldv_state_variable_1~0 0) .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,040 INFO L854 garLoopResultBuilder]: At program point L4467(lines 4459 4469) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,040 INFO L858 garLoopResultBuilder]: For program point L3906(lines 3906 3911) no Hoare annotation was computed. [2021-11-20 07:27:39,041 INFO L858 garLoopResultBuilder]: For program point L3708(lines 3708 3712) no Hoare annotation was computed. [2021-11-20 07:27:39,041 INFO L858 garLoopResultBuilder]: For program point L3477(lines 3477 3486) no Hoare annotation was computed. [2021-11-20 07:27:39,041 INFO L854 garLoopResultBuilder]: At program point L2883(lines 2880 2885) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,041 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_retval_1~0 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)) [2021-11-20 07:27:39,041 INFO L854 garLoopResultBuilder]: At program point L2817(lines 2812 2819) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,041 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,042 INFO L858 garLoopResultBuilder]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2021-11-20 07:27:39,042 INFO L854 garLoopResultBuilder]: At program point L4503(line 4503) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,042 INFO L858 garLoopResultBuilder]: For program point L4503-1(line 4503) no Hoare annotation was computed. [2021-11-20 07:27:39,042 INFO L858 garLoopResultBuilder]: For program point L3479(lines 3479 3484) no Hoare annotation was computed. [2021-11-20 07:27:39,042 INFO L854 garLoopResultBuilder]: At program point L4503-2(lines 4502 4504) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,042 INFO L858 garLoopResultBuilder]: For program point L4404(lines 4404 4407) no Hoare annotation was computed. [2021-11-20 07:27:39,043 INFO L861 garLoopResultBuilder]: At program point L3942(lines 3833 3944) the Hoare annotation is: true [2021-11-20 07:27:39,043 INFO L858 garLoopResultBuilder]: For program point L3876(line 3876) no Hoare annotation was computed. [2021-11-20 07:27:39,043 INFO L854 garLoopResultBuilder]: At program point L3810(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 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)) [2021-11-20 07:27:39,043 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,043 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,043 INFO L858 garLoopResultBuilder]: For program point L3844(lines 3844 3937) no Hoare annotation was computed. [2021-11-20 07:27:39,044 INFO L858 garLoopResultBuilder]: For program point L3877(lines 3877 3881) no Hoare annotation was computed. [2021-11-20 07:27:39,044 INFO L854 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: false [2021-11-20 07:27:39,044 INFO L858 garLoopResultBuilder]: For program point L4406-1(lines 4404 4407) no Hoare annotation was computed. [2021-11-20 07:27:39,044 INFO L854 garLoopResultBuilder]: At program point L3812(lines 3776 3817) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 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)) [2021-11-20 07:27:39,044 INFO L858 garLoopResultBuilder]: For program point L3845(line 3845) no Hoare annotation was computed. [2021-11-20 07:27:39,044 INFO L858 garLoopResultBuilder]: For program point L3746(lines 3746 3751) no Hoare annotation was computed. [2021-11-20 07:27:39,045 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,045 INFO L858 garLoopResultBuilder]: For program point L3680-1(line 3680) no Hoare annotation was computed. [2021-11-20 07:27:39,045 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,045 INFO L858 garLoopResultBuilder]: For program point L3846(lines 3846 3899) no Hoare annotation was computed. [2021-11-20 07:27:39,045 INFO L858 garLoopResultBuilder]: For program point L3648(lines 3648 3651) no Hoare annotation was computed. [2021-11-20 07:27:39,045 INFO L858 garLoopResultBuilder]: For program point L3681(lines 3681 3684) no Hoare annotation was computed. [2021-11-20 07:27:39,046 INFO L858 garLoopResultBuilder]: For program point L3483-1(line 3483) no Hoare annotation was computed. [2021-11-20 07:27:39,046 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,046 INFO L858 garLoopResultBuilder]: For program point L3913(line 3913) no Hoare annotation was computed. [2021-11-20 07:27:39,046 INFO L858 garLoopResultBuilder]: For program point L3715(lines 3715 3719) no Hoare annotation was computed. [2021-11-20 07:27:39,046 INFO L854 garLoopResultBuilder]: At program point L3550(lines 3508 3552) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,046 INFO L854 garLoopResultBuilder]: At program point L4409(lines 4401 4411) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,047 INFO L858 garLoopResultBuilder]: For program point L3914(lines 3914 3926) no Hoare annotation was computed. [2021-11-20 07:27:39,047 INFO L858 garLoopResultBuilder]: For program point L3848(lines 3848 3896) no Hoare annotation was computed. [2021-11-20 07:27:39,047 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,047 INFO L858 garLoopResultBuilder]: For program point L3849(line 3849) no Hoare annotation was computed. [2021-11-20 07:27:39,047 INFO L854 garLoopResultBuilder]: At program point L4510(lines 4509 4511) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,047 INFO L854 garLoopResultBuilder]: At program point L4477(lines 4470 4479) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,048 INFO L858 garLoopResultBuilder]: For program point L3916(lines 3916 3919) no Hoare annotation was computed. [2021-11-20 07:27:39,048 INFO L858 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2021-11-20 07:27:39,048 INFO L858 garLoopResultBuilder]: For program point L3916-2(lines 3914 3925) no Hoare annotation was computed. [2021-11-20 07:27:39,048 INFO L858 garLoopResultBuilder]: For program point L3883(line 3883) no Hoare annotation was computed. [2021-11-20 07:27:39,048 INFO L858 garLoopResultBuilder]: For program point L3850-2(lines 3848 3896) no Hoare annotation was computed. [2021-11-20 07:27:39,048 INFO L858 garLoopResultBuilder]: For program point L3652(lines 3652 3655) no Hoare annotation was computed. [2021-11-20 07:27:39,048 INFO L858 garLoopResultBuilder]: For program point L3685(lines 3685 3693) no Hoare annotation was computed. [2021-11-20 07:27:39,049 INFO L858 garLoopResultBuilder]: For program point L3685-2(lines 3685 3693) no Hoare annotation was computed. [2021-11-20 07:27:39,049 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,049 INFO L858 garLoopResultBuilder]: For program point L3884(lines 3884 3892) no Hoare annotation was computed. [2021-11-20 07:27:39,049 INFO L858 garLoopResultBuilder]: For program point L3851-1(line 3851) no Hoare annotation was computed. [2021-11-20 07:27:39,049 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,049 INFO L858 garLoopResultBuilder]: For program point L3785(lines 3785 3788) no Hoare annotation was computed. [2021-11-20 07:27:39,050 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,050 INFO L858 garLoopResultBuilder]: For program point L3785-2(lines 3785 3788) no Hoare annotation was computed. [2021-11-20 07:27:39,050 INFO L858 garLoopResultBuilder]: For program point L3686-1(lines 3686 3687) no Hoare annotation was computed. [2021-11-20 07:27:39,050 INFO L858 garLoopResultBuilder]: For program point L3521(line 3521) no Hoare annotation was computed. [2021-11-20 07:27:39,050 INFO L854 garLoopResultBuilder]: At program point L3455-1(lines 3451 3506) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,050 INFO L858 garLoopResultBuilder]: For program point L3521-2(lines 3521 3525) no Hoare annotation was computed. [2021-11-20 07:27:39,051 INFO L858 garLoopResultBuilder]: For program point L3455(lines 3455 3499) no Hoare annotation was computed. [2021-11-20 07:27:39,051 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:27:39,051 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,051 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,051 INFO L854 garLoopResultBuilder]: At program point L2894(lines 2889 2896) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,052 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) [2021-11-20 07:27:39,052 INFO L858 garLoopResultBuilder]: For program point L3456-1(lines 3456 3457) no Hoare annotation was computed. [2021-11-20 07:27:39,052 INFO L858 garLoopResultBuilder]: For program point L3886(lines 3886 3890) no Hoare annotation was computed. [2021-11-20 07:27:39,052 INFO L854 garLoopResultBuilder]: At program point L2829(lines 2826 2831) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,052 INFO L858 garLoopResultBuilder]: For program point L3688(lines 3688 3691) no Hoare annotation was computed. [2021-11-20 07:27:39,052 INFO L858 garLoopResultBuilder]: For program point L3721(lines 3721 3741) no Hoare annotation was computed. [2021-11-20 07:27:39,053 INFO L854 garLoopResultBuilder]: At program point L4547(lines 4546 4548) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,053 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,053 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,053 INFO L858 garLoopResultBuilder]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2021-11-20 07:27:39,053 INFO L858 garLoopResultBuilder]: For program point L3458(lines 3458 3497) no Hoare annotation was computed. [2021-11-20 07:27:39,053 INFO L858 garLoopResultBuilder]: For program point L3756(lines 3756 3759) no Hoare annotation was computed. [2021-11-20 07:27:39,053 INFO L858 garLoopResultBuilder]: For program point L3756-2(lines 3756 3759) no Hoare annotation was computed. [2021-11-20 07:27:39,054 INFO L858 garLoopResultBuilder]: For program point L3657-1(line 3657) no Hoare annotation was computed. [2021-11-20 07:27:39,054 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,054 INFO L854 garLoopResultBuilder]: At program point L3492(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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,054 INFO L858 garLoopResultBuilder]: For program point L4483(lines 4483 4486) no Hoare annotation was computed. [2021-11-20 07:27:39,054 INFO L858 garLoopResultBuilder]: For program point L3459-1(line 3459) no Hoare annotation was computed. [2021-11-20 07:27:39,055 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) [2021-11-20 07:27:39,055 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)) [2021-11-20 07:27:39,055 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,055 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,055 INFO L858 garLoopResultBuilder]: For program point L3856-1(line 3856) no Hoare annotation was computed. [2021-11-20 07:27:39,055 INFO L858 garLoopResultBuilder]: For program point L3658(lines 3658 3664) no Hoare annotation was computed. [2021-11-20 07:27:39,056 INFO L858 garLoopResultBuilder]: For program point L3658-2(lines 3658 3664) no Hoare annotation was computed. [2021-11-20 07:27:39,056 INFO L858 garLoopResultBuilder]: For program point L3559-1(line 3559) no Hoare annotation was computed. [2021-11-20 07:27:39,056 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,056 INFO L858 garLoopResultBuilder]: For program point L3460(lines 3460 3465) no Hoare annotation was computed. [2021-11-20 07:27:39,056 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:27:39,056 INFO L858 garLoopResultBuilder]: For program point L3659(lines 3659 3662) no Hoare annotation was computed. [2021-11-20 07:27:39,057 INFO L854 garLoopResultBuilder]: At program point L3560(lines 3553 3562) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,057 INFO L858 garLoopResultBuilder]: For program point L3527(lines 3527 3531) no Hoare annotation was computed. [2021-11-20 07:27:39,057 INFO L854 garLoopResultBuilder]: At program point L4485(line 4485) the Hoare annotation is: false [2021-11-20 07:27:39,057 INFO L858 garLoopResultBuilder]: For program point L4485-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-20 07:27:39,057 INFO L858 garLoopResultBuilder]: For program point L2933-1(line 2933) no Hoare annotation was computed. [2021-11-20 07:27:39,057 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,058 INFO L854 garLoopResultBuilder]: At program point L2933-2(lines 2931 2934) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,058 INFO L854 garLoopResultBuilder]: At program point L3792(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,058 INFO L858 garLoopResultBuilder]: For program point L2835-1(line 2835) no Hoare annotation was computed. [2021-11-20 07:27:39,058 INFO L854 garLoopResultBuilder]: At program point L2835(line 2835) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,058 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,059 INFO L858 garLoopResultBuilder]: For program point L3727(lines 3727 3730) no Hoare annotation was computed. [2021-11-20 07:27:39,059 INFO L858 garLoopResultBuilder]: For program point L3727-2(lines 3727 3730) no Hoare annotation was computed. [2021-11-20 07:27:39,059 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:27:39,059 INFO L858 garLoopResultBuilder]: For program point L3034(lines 3034 3037) no Hoare annotation was computed. [2021-11-20 07:27:39,059 INFO L858 garLoopResultBuilder]: For program point L3034-2(lines 3034 3037) no Hoare annotation was computed. [2021-11-20 07:27:39,059 INFO L854 garLoopResultBuilder]: At program point L2836(lines 2832 2838) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,060 INFO L854 garLoopResultBuilder]: At program point L3794(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,060 INFO L854 garLoopResultBuilder]: At program point L3728(line 3728) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,060 INFO L854 garLoopResultBuilder]: At program point L3761(lines 3707 3774) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,060 INFO L858 garLoopResultBuilder]: For program point L3728-1(line 3728) no Hoare annotation was computed. [2021-11-20 07:27:39,060 INFO L858 garLoopResultBuilder]: For program point L4587(lines 4587 4589) no Hoare annotation was computed. [2021-11-20 07:27:39,060 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~pg_drive_count~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) [2021-11-20 07:27:39,061 INFO L858 garLoopResultBuilder]: For program point L3464-1(line 3464) no Hoare annotation was computed. [2021-11-20 07:27:39,061 INFO L858 garLoopResultBuilder]: For program point L3894(line 3894) no Hoare annotation was computed. [2021-11-20 07:27:39,061 INFO L858 garLoopResultBuilder]: For program point L3861(line 3861) no Hoare annotation was computed. [2021-11-20 07:27:39,061 INFO L854 garLoopResultBuilder]: At program point L4489(line 4489) the Hoare annotation is: false [2021-11-20 07:27:39,061 INFO L858 garLoopResultBuilder]: For program point L4489-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-20 07:27:39,061 INFO L858 garLoopResultBuilder]: For program point L3928(line 3928) no Hoare annotation was computed. [2021-11-20 07:27:39,061 INFO L858 garLoopResultBuilder]: For program point L3862(lines 3862 3867) no Hoare annotation was computed. [2021-11-20 07:27:39,062 INFO L854 garLoopResultBuilder]: At program point L3763(lines 3707 3774) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,062 INFO L858 garLoopResultBuilder]: For program point L3532(lines 3532 3536) no Hoare annotation was computed. [2021-11-20 07:27:39,062 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,062 INFO L858 garLoopResultBuilder]: For program point L3533-1(line 3533) no Hoare annotation was computed. [2021-11-20 07:27:39,062 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,063 INFO L854 garLoopResultBuilder]: At program point L4524(lines 4523 4525) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,063 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:27:39,063 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,063 INFO L858 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-11-20 07:27:39,063 INFO L854 garLoopResultBuilder]: At program point L4029(lines 4021 4031) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,063 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,064 INFO L854 garLoopResultBuilder]: At program point L3732(lines 3721 3740) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,064 INFO L858 garLoopResultBuilder]: For program point L3798-1(line 3798) no Hoare annotation was computed. [2021-11-20 07:27:39,064 INFO L854 garLoopResultBuilder]: At program point L3765(lines 3707 3774) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,064 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_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 07:27:39,064 INFO L854 garLoopResultBuilder]: At program point L2940(lines 2936 2942) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_retval_1~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 07:27:39,065 INFO L854 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: false [2021-11-20 07:27:39,065 INFO L858 garLoopResultBuilder]: For program point L4493-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-20 07:27:39,065 INFO L854 garLoopResultBuilder]: At program point L3734(lines 3721 3740) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~disable~0 0)) (.cse3 (= ~ldv_retval_1~0 0)) (.cse4 (= ~ldv_mutex_lock~0 1)) (.cse5 (= ~ldv_mutex_pg_mutex~0 1)) (.cse6 (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_pg_detect_~k~3#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pg_drive_count~0 0) .cse6))) [2021-11-20 07:27:39,065 INFO L858 garLoopResultBuilder]: For program point xsFINAL(lines 3326 3364) no Hoare annotation was computed. [2021-11-20 07:27:39,065 INFO L858 garLoopResultBuilder]: For program point L3357-1(lines 3357 3360) no Hoare annotation was computed. [2021-11-20 07:27:39,065 INFO L861 garLoopResultBuilder]: At program point L3354(lines 3333 3363) the Hoare annotation is: true [2021-11-20 07:27:39,066 INFO L858 garLoopResultBuilder]: For program point xsEXIT(lines 3326 3364) no Hoare annotation was computed. [2021-11-20 07:27:39,066 INFO L861 garLoopResultBuilder]: At program point L3352(lines 3333 3363) the Hoare annotation is: true [2021-11-20 07:27:39,066 INFO L861 garLoopResultBuilder]: At program point xsENTRY(lines 3326 3364) the Hoare annotation is: true [2021-11-20 07:27:39,066 INFO L861 garLoopResultBuilder]: At program point L3350(lines 3333 3363) the Hoare annotation is: true [2021-11-20 07:27:39,066 INFO L858 garLoopResultBuilder]: For program point L3341(lines 3341 3348) no Hoare annotation was computed. [2021-11-20 07:27:39,066 INFO L858 garLoopResultBuilder]: For program point L3341-2(lines 3341 3348) no Hoare annotation was computed. [2021-11-20 07:27:39,066 INFO L861 garLoopResultBuilder]: At program point L3392(line 3392) the Hoare annotation is: true [2021-11-20 07:27:39,067 INFO L858 garLoopResultBuilder]: For program point L3393(lines 3393 3396) no Hoare annotation was computed. [2021-11-20 07:27:39,067 INFO L858 garLoopResultBuilder]: For program point L3392-1(line 3392) no Hoare annotation was computed. [2021-11-20 07:27:39,067 INFO L858 garLoopResultBuilder]: For program point L3388(lines 3388 3391) no Hoare annotation was computed. [2021-11-20 07:27:39,067 INFO L858 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2021-11-20 07:27:39,067 INFO L861 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: true [2021-11-20 07:27:39,067 INFO L858 garLoopResultBuilder]: For program point pg_identifyEXIT(lines 3365 3406) no Hoare annotation was computed. [2021-11-20 07:27:39,068 INFO L861 garLoopResultBuilder]: At program point pg_identifyENTRY(lines 3365 3406) the Hoare annotation is: true [2021-11-20 07:27:39,068 INFO L861 garLoopResultBuilder]: At program point L3398(line 3398) the Hoare annotation is: true [2021-11-20 07:27:39,068 INFO L858 garLoopResultBuilder]: For program point L3399(line 3399) no Hoare annotation was computed. [2021-11-20 07:27:39,068 INFO L858 garLoopResultBuilder]: For program point pg_identifyFINAL(lines 3365 3406) no Hoare annotation was computed. [2021-11-20 07:27:39,068 INFO L858 garLoopResultBuilder]: For program point L3397(lines 3397 3403) no Hoare annotation was computed. [2021-11-20 07:27:39,068 INFO L861 garLoopResultBuilder]: At program point L3398-1(line 3398) the Hoare annotation is: true [2021-11-20 07:27:39,068 INFO L858 garLoopResultBuilder]: For program point L3397-2(lines 3397 3403) no Hoare annotation was computed. [2021-11-20 07:27:39,069 INFO L858 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 4569 4571) no Hoare annotation was computed. [2021-11-20 07:27:39,069 INFO L861 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 4569 4571) the Hoare annotation is: true [2021-11-20 07:27:39,069 INFO L858 garLoopResultBuilder]: For program point pi_write_blockFINAL(lines 4569 4571) no Hoare annotation was computed. [2021-11-20 07:27:39,072 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:39,074 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:27:39,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:27:39 BoogieIcfgContainer [2021-11-20 07:27:39,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:27:39,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:27:39,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:27:39,148 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:27:39,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:27:20" (3/4) ... [2021-11-20 07:27:39,152 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:27:39,159 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2021-11-20 07:27:39,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2021-11-20 07:27:39,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2021-11-20 07:27:39,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2021-11-20 07:27:39,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2021-11-20 07:27:39,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2021-11-20 07:27:39,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2021-11-20 07:27:39,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2021-11-20 07:27:39,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2021-11-20 07:27:39,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2021-11-20 07:27:39,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2021-11-20 07:27:39,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2021-11-20 07:27:39,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2021-11-20 07:27:39,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-20 07:27:39,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2021-11-20 07:27:39,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2021-11-20 07:27:39,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2021-11-20 07:27:39,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-20 07:27:39,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2021-11-20 07:27:39,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2021-11-20 07:27:39,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2021-11-20 07:27:39,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2021-11-20 07:27:39,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2021-11-20 07:27:39,202 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 222 nodes and edges [2021-11-20 07:27:39,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 90 nodes and edges [2021-11-20 07:27:39,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-20 07:27:39,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 07:27:39,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 07:27:39,218 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:27:39,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:27:39,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || !(ldv_retval_1 == 0)) || !(ldv_mutex_pg_mutex == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || ldv_state_variable_1 == \old(ldv_state_variable_1) [2021-11-20 07:27:39,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(ldv_mutex_lock == 1) || !(ldv_retval_1 == 0)) || !(ldv_mutex_pg_mutex == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || ldv_state_variable_1 == \old(ldv_state_variable_1) [2021-11-20 07:27:39,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:27:39,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:27:39,441 INFO L158 Benchmark]: Toolchain (without parser) took 22689.30ms. Allocated memory was 96.5MB in the beginning and 362.8MB in the end (delta: 266.3MB). Free memory was 55.5MB in the beginning and 304.8MB in the end (delta: -249.4MB). Peak memory consumption was 226.6MB. Max. memory is 16.1GB. [2021-11-20 07:27:39,442 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 67.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:27:39,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.30ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 55.2MB in the beginning and 76.6MB in the end (delta: -21.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-20 07:27:39,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.02ms. Allocated memory is still 127.9MB. Free memory was 76.6MB in the beginning and 69.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:27:39,444 INFO L158 Benchmark]: Boogie Preprocessor took 121.87ms. Allocated memory is still 127.9MB. Free memory was 69.1MB in the beginning and 60.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:27:39,444 INFO L158 Benchmark]: RCFGBuilder took 2282.26ms. Allocated memory was 127.9MB in the beginning and 220.2MB in the end (delta: 92.3MB). Free memory was 60.7MB in the beginning and 111.2MB in the end (delta: -50.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-11-20 07:27:39,445 INFO L158 Benchmark]: TraceAbstraction took 18398.60ms. Allocated memory was 220.2MB in the beginning and 362.8MB in the end (delta: 142.6MB). Free memory was 111.2MB in the beginning and 128.1MB in the end (delta: -16.8MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. [2021-11-20 07:27:39,445 INFO L158 Benchmark]: Witness Printer took 292.84ms. Allocated memory is still 362.8MB. Free memory was 128.1MB in the beginning and 304.8MB in the end (delta: -176.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-20 07:27:39,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 67.2MB in the beginning and 67.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.30ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 55.2MB in the beginning and 76.6MB in the end (delta: -21.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.02ms. Allocated memory is still 127.9MB. Free memory was 76.6MB in the beginning and 69.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.87ms. Allocated memory is still 127.9MB. Free memory was 69.1MB in the beginning and 60.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2282.26ms. Allocated memory was 127.9MB in the beginning and 220.2MB in the end (delta: 92.3MB). Free memory was 60.7MB in the beginning and 111.2MB in the end (delta: -50.6MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * TraceAbstraction took 18398.60ms. Allocated memory was 220.2MB in the beginning and 362.8MB in the end (delta: 142.6MB). Free memory was 111.2MB in the beginning and 128.1MB in the end (delta: -16.8MB). Peak memory consumption was 170.9MB. Max. memory is 16.1GB. * Witness Printer took 292.84ms. Allocated memory is still 362.8MB. Free memory was 128.1MB in the beginning and 304.8MB in the end (delta: -176.8MB). Peak memory consumption was 33.6MB. 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, 454 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.2s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5749 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5649 mSDsluCounter, 13340 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4203 mSDsCounter, 276 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 541 IncrementalHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 276 mSolverCounterUnsat, 9137 mSDtfsCounter, 541 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1902occurred in iteration=12, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 767 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 191 LocationsWithAnnotation, 6399 PreInvPairs, 6593 NumberOfFragments, 2240 HoareAnnotationTreeSize, 6399 FomulaSimplifications, 812 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 191 FomulaSimplificationsInter, 42695 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 817 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 1267 SizeOfPredicates, 0 NumberOfNonLiveVariables, 7653 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 22 InterpolantComputations, 13 PerfectInterpolantSequences, 19/28 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: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4013]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4502]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2812]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3721]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4401]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 4580]: 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 4523]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4459]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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_retval_1 == 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: 4512]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || !(ldv_retval_1 == 0)) || !(ldv_mutex_pg_mutex == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || ldv_state_variable_1 == \old(ldv_state_variable_1) - InvariantResult [Line: 4559]: 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_retval_1 == 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2936]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 2832]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 4529]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 4021]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3721]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3515]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 2826]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 2899]: Loop Invariant Derived loop invariant: (((((!(ldv_mutex_lock == 1) || !(ldv_retval_1 == 0)) || !(ldv_mutex_pg_mutex == 1)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || !(disable == 0)) || ldv_state_variable_1 == \old(ldv_state_variable_1) - InvariantResult [Line: 3553]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3697]: Loop Invariant Derived loop invariant: ((((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3776]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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: 2917]: 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 4546]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3508]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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: 2931]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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: 3016]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: (((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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: 4509]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 4470]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3637]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_retval_1 == 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_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2889]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 3442]: Loop Invariant Derived loop invariant: (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && k == 0) || (((((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_retval_1 == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && pg_drive_count == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) - InvariantResult [Line: 4520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-20 07:27:39,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3ec6b40-9857-4207-83b2-804916f8b807/bin/uautomizer-DQz5hQGWxF/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