./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC --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 dcf5140fb8d3cca08efae44c7b81afb04deeac6d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:04,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:04,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:04,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:04,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:04,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:04,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:04,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:04,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:04,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:04,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:04,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:04,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:04,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:04,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:04,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:04,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:04,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:04,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:04,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:04,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:04,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:04,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:04,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:04,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:04,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:04,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:04,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:04,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:04,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:04,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:04,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:04,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:04,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:04,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:04,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:04,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:04,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:04,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:04,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:04,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:04,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-11 00:26:04,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:04,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:04,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:04,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:04,604 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:04,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:04,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:04,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:04,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:26:04,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:26:04,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:26:04,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:04,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:04,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:26:04,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:04,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:04,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:26:04,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:04,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:04,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:26:04,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:26:04,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:04,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:26:04,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:26:04,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:04,617 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_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf5140fb8d3cca08efae44c7b81afb04deeac6d [2021-10-11 00:26:04,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:04,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:04,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:04,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:04,954 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:04,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-10-11 00:26:05,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/data/f350402c1/7dbc5132cf104e9a99b8fd977c9f1050/FLAGe2270f038 [2021-10-11 00:26:05,826 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:05,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-10-11 00:26:05,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/data/f350402c1/7dbc5132cf104e9a99b8fd977c9f1050/FLAGe2270f038 [2021-10-11 00:26:06,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/data/f350402c1/7dbc5132cf104e9a99b8fd977c9f1050 [2021-10-11 00:26:06,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:06,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:06,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:06,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:06,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:06,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:06" (1/1) ... [2021-10-11 00:26:06,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bd188a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:06, skipping insertion in model container [2021-10-11 00:26:06,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:06" (1/1) ... [2021-10-11 00:26:06,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:06,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:07,466 WARN L226 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_b114f14f-6223-402e-8ced-c2ba3aab75cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-10-11 00:26:07,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:07,688 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:07,906 WARN L226 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_b114f14f-6223-402e-8ced-c2ba3aab75cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2021-10-11 00:26:07,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:08,114 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:08,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08 WrapperNode [2021-10-11 00:26:08,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:08,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:08,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:08,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:08,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:08,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:08,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:08,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:08,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... [2021-10-11 00:26:08,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:08,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:08,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:08,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:08,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:26:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 00:26:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:26:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 00:26:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:26:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 00:26:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:26:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:10,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:10,222 INFO L299 CfgBuilder]: Removed 141 assume(true) statements. [2021-10-11 00:26:10,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:10 BoogieIcfgContainer [2021-10-11 00:26:10,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:10,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:26:10,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:26:10,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:26:10,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:26:06" (1/3) ... [2021-10-11 00:26:10,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb4fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:10, skipping insertion in model container [2021-10-11 00:26:10,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:08" (2/3) ... [2021-10-11 00:26:10,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb4fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:10, skipping insertion in model container [2021-10-11 00:26:10,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:10" (3/3) ... [2021-10-11 00:26:10,233 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-10-11 00:26:10,247 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:26:10,251 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-10-11 00:26:10,262 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-11 00:26:10,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:26:10,286 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:26:10,287 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:26:10,287 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:10,287 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:10,287 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:26:10,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:10,287 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:26:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2021-10-11 00:26:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-11 00:26:10,313 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:10,313 INFO L422 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, 1, 1] [2021-10-11 00:26:10,314 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:10,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:10,319 INFO L82 PathProgramCache]: Analyzing trace with hash 214162578, now seen corresponding path program 1 times [2021-10-11 00:26:10,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:10,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728753261] [2021-10-11 00:26:10,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:11,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728753261] [2021-10-11 00:26:11,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:11,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:11,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930602663] [2021-10-11 00:26:11,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:26:11,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:11,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:26:11,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:26:11,036 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2021-10-11 00:26:11,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:11,071 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2021-10-11 00:26:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:26:11,073 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2021-10-11 00:26:11,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:11,085 INFO L225 Difference]: With dead ends: 310 [2021-10-11 00:26:11,085 INFO L226 Difference]: Without dead ends: 144 [2021-10-11 00:26:11,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:26:11,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-10-11 00:26:11,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-10-11 00:26:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2021-10-11 00:26:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 190 transitions. [2021-10-11 00:26:11,137 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 190 transitions. Word has length 39 [2021-10-11 00:26:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:11,137 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 190 transitions. [2021-10-11 00:26:11,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:26:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 190 transitions. [2021-10-11 00:26:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-11 00:26:11,140 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:11,140 INFO L422 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, 1, 1] [2021-10-11 00:26:11,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:26:11,141 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:11,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:11,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1366579640, now seen corresponding path program 1 times [2021-10-11 00:26:11,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:11,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331397420] [2021-10-11 00:26:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:11,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331397420] [2021-10-11 00:26:11,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:11,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:11,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816597576] [2021-10-11 00:26:11,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:11,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:11,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:11,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:11,366 INFO L87 Difference]: Start difference. First operand 144 states and 190 transitions. Second operand 3 states. [2021-10-11 00:26:11,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:11,461 INFO L93 Difference]: Finished difference Result 347 states and 479 transitions. [2021-10-11 00:26:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:11,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2021-10-11 00:26:11,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:11,465 INFO L225 Difference]: With dead ends: 347 [2021-10-11 00:26:11,465 INFO L226 Difference]: Without dead ends: 233 [2021-10-11 00:26:11,467 INFO L677 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 [2021-10-11 00:26:11,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-10-11 00:26:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 219. [2021-10-11 00:26:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2021-10-11 00:26:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 306 transitions. [2021-10-11 00:26:11,488 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 306 transitions. Word has length 39 [2021-10-11 00:26:11,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:11,488 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 306 transitions. [2021-10-11 00:26:11,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 306 transitions. [2021-10-11 00:26:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 00:26:11,490 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:11,491 INFO L422 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, 1, 1, 1, 1, 1] [2021-10-11 00:26:11,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:26:11,498 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:11,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:11,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1555974485, now seen corresponding path program 1 times [2021-10-11 00:26:11,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:11,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285452856] [2021-10-11 00:26:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:11,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285452856] [2021-10-11 00:26:11,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:11,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:11,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727217328] [2021-10-11 00:26:11,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:11,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:11,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:11,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:11,788 INFO L87 Difference]: Start difference. First operand 219 states and 306 transitions. Second operand 3 states. [2021-10-11 00:26:11,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:11,957 INFO L93 Difference]: Finished difference Result 564 states and 821 transitions. [2021-10-11 00:26:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:11,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2021-10-11 00:26:11,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:11,965 INFO L225 Difference]: With dead ends: 564 [2021-10-11 00:26:11,965 INFO L226 Difference]: Without dead ends: 375 [2021-10-11 00:26:11,969 INFO L677 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 [2021-10-11 00:26:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-10-11 00:26:12,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2021-10-11 00:26:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2021-10-11 00:26:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 538 transitions. [2021-10-11 00:26:12,032 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 538 transitions. Word has length 42 [2021-10-11 00:26:12,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:12,033 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 538 transitions. [2021-10-11 00:26:12,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 538 transitions. [2021-10-11 00:26:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:26:12,039 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:12,039 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:12,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:26:12,039 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:12,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:12,040 INFO L82 PathProgramCache]: Analyzing trace with hash 819401089, now seen corresponding path program 1 times [2021-10-11 00:26:12,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:12,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079611820] [2021-10-11 00:26:12,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:12,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079611820] [2021-10-11 00:26:12,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:12,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:12,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982075660] [2021-10-11 00:26:12,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:12,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:12,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:12,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:12,325 INFO L87 Difference]: Start difference. First operand 371 states and 538 transitions. Second operand 3 states. [2021-10-11 00:26:12,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:12,333 INFO L93 Difference]: Finished difference Result 371 states and 538 transitions. [2021-10-11 00:26:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:12,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-10-11 00:26:12,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:12,337 INFO L225 Difference]: With dead ends: 371 [2021-10-11 00:26:12,337 INFO L226 Difference]: Without dead ends: 369 [2021-10-11 00:26:12,337 INFO L677 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 [2021-10-11 00:26:12,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2021-10-11 00:26:12,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2021-10-11 00:26:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2021-10-11 00:26:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 536 transitions. [2021-10-11 00:26:12,353 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 536 transitions. Word has length 51 [2021-10-11 00:26:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:12,354 INFO L481 AbstractCegarLoop]: Abstraction has 369 states and 536 transitions. [2021-10-11 00:26:12,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 536 transitions. [2021-10-11 00:26:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 00:26:12,355 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:12,356 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:12,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:26:12,356 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:12,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:12,357 INFO L82 PathProgramCache]: Analyzing trace with hash -368363485, now seen corresponding path program 1 times [2021-10-11 00:26:12,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:12,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825269131] [2021-10-11 00:26:12,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:12,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825269131] [2021-10-11 00:26:12,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:12,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:12,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700877985] [2021-10-11 00:26:12,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:12,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:12,537 INFO L87 Difference]: Start difference. First operand 369 states and 536 transitions. Second operand 3 states. [2021-10-11 00:26:12,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:12,546 INFO L93 Difference]: Finished difference Result 369 states and 536 transitions. [2021-10-11 00:26:12,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:12,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-10-11 00:26:12,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:12,550 INFO L225 Difference]: With dead ends: 369 [2021-10-11 00:26:12,550 INFO L226 Difference]: Without dead ends: 367 [2021-10-11 00:26:12,550 INFO L677 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 [2021-10-11 00:26:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-10-11 00:26:12,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-10-11 00:26:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2021-10-11 00:26:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 534 transitions. [2021-10-11 00:26:12,564 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 534 transitions. Word has length 52 [2021-10-11 00:26:12,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:12,564 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 534 transitions. [2021-10-11 00:26:12,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 534 transitions. [2021-10-11 00:26:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 00:26:12,566 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:12,566 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:12,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:26:12,566 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:12,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:12,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1465640395, now seen corresponding path program 1 times [2021-10-11 00:26:12,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:12,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026924183] [2021-10-11 00:26:12,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:12,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026924183] [2021-10-11 00:26:12,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:12,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:12,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327548910] [2021-10-11 00:26:12,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:12,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:12,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:12,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:12,786 INFO L87 Difference]: Start difference. First operand 367 states and 534 transitions. Second operand 3 states. [2021-10-11 00:26:12,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:12,795 INFO L93 Difference]: Finished difference Result 367 states and 534 transitions. [2021-10-11 00:26:12,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:12,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-10-11 00:26:12,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:12,798 INFO L225 Difference]: With dead ends: 367 [2021-10-11 00:26:12,799 INFO L226 Difference]: Without dead ends: 365 [2021-10-11 00:26:12,799 INFO L677 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 [2021-10-11 00:26:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-10-11 00:26:12,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2021-10-11 00:26:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2021-10-11 00:26:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 532 transitions. [2021-10-11 00:26:12,813 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 532 transitions. Word has length 53 [2021-10-11 00:26:12,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:12,814 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 532 transitions. [2021-10-11 00:26:12,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:12,814 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 532 transitions. [2021-10-11 00:26:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:26:12,815 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:12,815 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:12,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:26:12,815 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1809781459, now seen corresponding path program 1 times [2021-10-11 00:26:12,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:12,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258501380] [2021-10-11 00:26:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:12,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258501380] [2021-10-11 00:26:12,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:12,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:12,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444390320] [2021-10-11 00:26:12,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:12,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:12,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:12,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:12,985 INFO L87 Difference]: Start difference. First operand 365 states and 532 transitions. Second operand 3 states. [2021-10-11 00:26:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:13,019 INFO L93 Difference]: Finished difference Result 1025 states and 1526 transitions. [2021-10-11 00:26:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:13,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-10-11 00:26:13,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:13,023 INFO L225 Difference]: With dead ends: 1025 [2021-10-11 00:26:13,024 INFO L226 Difference]: Without dead ends: 684 [2021-10-11 00:26:13,025 INFO L677 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 [2021-10-11 00:26:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2021-10-11 00:26:13,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 679. [2021-10-11 00:26:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2021-10-11 00:26:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1006 transitions. [2021-10-11 00:26:13,049 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1006 transitions. Word has length 54 [2021-10-11 00:26:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:13,049 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 1006 transitions. [2021-10-11 00:26:13,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1006 transitions. [2021-10-11 00:26:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-11 00:26:13,051 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:13,051 INFO L422 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, 1, 1, 1] [2021-10-11 00:26:13,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:26:13,051 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:13,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:13,051 INFO L82 PathProgramCache]: Analyzing trace with hash -454066381, now seen corresponding path program 1 times [2021-10-11 00:26:13,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:13,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012083610] [2021-10-11 00:26:13,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 00:26:13,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012083610] [2021-10-11 00:26:13,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:13,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:13,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224371906] [2021-10-11 00:26:13,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:13,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:13,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:13,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:13,230 INFO L87 Difference]: Start difference. First operand 679 states and 1006 transitions. Second operand 3 states. [2021-10-11 00:26:13,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:13,362 INFO L93 Difference]: Finished difference Result 1328 states and 1981 transitions. [2021-10-11 00:26:13,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:13,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-10-11 00:26:13,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:13,367 INFO L225 Difference]: With dead ends: 1328 [2021-10-11 00:26:13,368 INFO L226 Difference]: Without dead ends: 679 [2021-10-11 00:26:13,369 INFO L677 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 [2021-10-11 00:26:13,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2021-10-11 00:26:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 678. [2021-10-11 00:26:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2021-10-11 00:26:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1001 transitions. [2021-10-11 00:26:13,399 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1001 transitions. Word has length 66 [2021-10-11 00:26:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:13,399 INFO L481 AbstractCegarLoop]: Abstraction has 678 states and 1001 transitions. [2021-10-11 00:26:13,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1001 transitions. [2021-10-11 00:26:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-11 00:26:13,400 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:13,401 INFO L422 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, 1, 1, 1, 1] [2021-10-11 00:26:13,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:26:13,401 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:13,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:13,401 INFO L82 PathProgramCache]: Analyzing trace with hash -134151878, now seen corresponding path program 1 times [2021-10-11 00:26:13,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:13,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324741579] [2021-10-11 00:26:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 00:26:13,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324741579] [2021-10-11 00:26:13,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:13,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:26:13,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827101618] [2021-10-11 00:26:13,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:26:13,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:13,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:26:13,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:26:13,600 INFO L87 Difference]: Start difference. First operand 678 states and 1001 transitions. Second operand 7 states. [2021-10-11 00:26:13,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:13,791 INFO L93 Difference]: Finished difference Result 2538 states and 3823 transitions. [2021-10-11 00:26:13,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:26:13,792 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2021-10-11 00:26:13,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:13,803 INFO L225 Difference]: With dead ends: 2538 [2021-10-11 00:26:13,803 INFO L226 Difference]: Without dead ends: 1890 [2021-10-11 00:26:13,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:26:13,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1890 states. [2021-10-11 00:26:13,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1890 to 679. [2021-10-11 00:26:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2021-10-11 00:26:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1001 transitions. [2021-10-11 00:26:13,854 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1001 transitions. Word has length 67 [2021-10-11 00:26:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:13,854 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 1001 transitions. [2021-10-11 00:26:13,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:26:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1001 transitions. [2021-10-11 00:26:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-11 00:26:13,856 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:13,856 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:13,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:26:13,856 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:13,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:13,857 INFO L82 PathProgramCache]: Analyzing trace with hash -466045329, now seen corresponding path program 1 times [2021-10-11 00:26:13,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:13,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367221112] [2021-10-11 00:26:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-11 00:26:14,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367221112] [2021-10-11 00:26:14,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:14,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:26:14,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589425693] [2021-10-11 00:26:14,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:26:14,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:14,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:26:14,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:26:14,018 INFO L87 Difference]: Start difference. First operand 679 states and 1001 transitions. Second operand 5 states. [2021-10-11 00:26:14,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:14,105 INFO L93 Difference]: Finished difference Result 970 states and 1448 transitions. [2021-10-11 00:26:14,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:26:14,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2021-10-11 00:26:14,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:14,106 INFO L225 Difference]: With dead ends: 970 [2021-10-11 00:26:14,106 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:26:14,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:26:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:26:14,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:26:14,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:26:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:26:14,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2021-10-11 00:26:14,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:14,109 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:14,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:26:14,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:26:14,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:26:14,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:26:14,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:26:14,789 INFO L262 CegarLoopResult]: For program point L6047(lines 6047 6062) no Hoare annotation was computed. [2021-10-11 00:26:14,789 INFO L262 CegarLoopResult]: For program point L6080-2(lines 6067 6122) no Hoare annotation was computed. [2021-10-11 00:26:14,789 INFO L262 CegarLoopResult]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-10-11 00:26:14,789 INFO L262 CegarLoopResult]: For program point L6080(lines 6080 6085) no Hoare annotation was computed. [2021-10-11 00:26:14,789 INFO L258 CegarLoopResult]: At program point L7005(lines 7004 7006) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L6213(line 6213) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L6973(lines 6964 6982) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L6049(lines 6049 6059) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L258 CegarLoopResult]: At program point L6347(lines 6336 6349) the Hoare annotation is: (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L6050(line 6050) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L5852(lines 5852 5855) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L5720-1(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L5720-2(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 00:26:14,790 INFO L262 CegarLoopResult]: For program point L5720(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5720-5(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5720-6(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5720-3(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5720-4(lines 5720 5722) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L6051(lines 6051 6055) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L258 CegarLoopResult]: At program point L7009(lines 7008 7010) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5721-2(line 5721) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5721(line 5721) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5721-6(line 5721) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5721-4(line 5721) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5721-10(line 5721) no Hoare annotation was computed. [2021-10-11 00:26:14,791 INFO L262 CegarLoopResult]: For program point L5721-8(line 5721) no Hoare annotation was computed. [2021-10-11 00:26:14,792 INFO L262 CegarLoopResult]: For program point L5721-12(line 5721) no Hoare annotation was computed. [2021-10-11 00:26:14,792 INFO L262 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2021-10-11 00:26:14,792 INFO L258 CegarLoopResult]: At program point L5953(lines 5948 5955) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,792 INFO L265 CegarLoopResult]: At program point L6977(lines 6962 6983) the Hoare annotation is: true [2021-10-11 00:26:14,792 INFO L262 CegarLoopResult]: For program point L6185(lines 6185 6200) no Hoare annotation was computed. [2021-10-11 00:26:14,792 INFO L258 CegarLoopResult]: At program point L6318(lines 6307 6320) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,792 INFO L258 CegarLoopResult]: At program point L6153(lines 6965 6968) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,792 INFO L262 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2021-10-11 00:26:14,792 INFO L262 CegarLoopResult]: For program point L6946(lines 6946 6952) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point L6187(lines 6187 6197) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point L6220(line 6220) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L258 CegarLoopResult]: At program point L7013(lines 7012 7014) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ULTIMATE.start_m5632_recover_~r~0 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point L6188(line 6188) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point L6189(lines 6189 6193) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2021-10-11 00:26:14,793 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 00:26:14,794 INFO L258 CegarLoopResult]: At program point L6223(lines 6002 6228) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,794 INFO L258 CegarLoopResult]: At program point L7016-1(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,794 INFO L258 CegarLoopResult]: At program point L7016(lines 7015 7017) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,794 INFO L262 CegarLoopResult]: For program point L6917-1(lines 6917 6920) no Hoare annotation was computed. [2021-10-11 00:26:14,794 INFO L262 CegarLoopResult]: For program point L6917(lines 6917 6920) no Hoare annotation was computed. [2021-10-11 00:26:14,794 INFO L258 CegarLoopResult]: At program point L6951(lines 6940 6954) the Hoare annotation is: (let ((.cse0 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 (= 2 ~ldv_mutex_udev~0) .cse1 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) .cse2) (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) .cse0 (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) .cse1 .cse2))) [2021-10-11 00:26:14,794 INFO L265 CegarLoopResult]: At program point L5795(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,794 INFO L265 CegarLoopResult]: At program point L5795-1(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L265 CegarLoopResult]: At program point L5795-4(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L265 CegarLoopResult]: At program point L5795-5(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L265 CegarLoopResult]: At program point L5795-2(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 00:26:14,795 INFO L265 CegarLoopResult]: At program point L5795-3(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L265 CegarLoopResult]: At program point L5795-8(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L265 CegarLoopResult]: At program point L5795-6(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L265 CegarLoopResult]: At program point L5795-7(lines 5794 5797) the Hoare annotation is: true [2021-10-11 00:26:14,795 INFO L262 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2021-10-11 00:26:14,795 INFO L262 CegarLoopResult]: For program point L6027(lines 6027 6222) no Hoare annotation was computed. [2021-10-11 00:26:14,795 INFO L262 CegarLoopResult]: For program point L6093(line 6093) no Hoare annotation was computed. [2021-10-11 00:26:14,796 INFO L258 CegarLoopResult]: At program point L6985(lines 6984 6986) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ULTIMATE.start_m5632_recover_~r~0 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,796 INFO L262 CegarLoopResult]: For program point L6127(line 6127) no Hoare annotation was computed. [2021-10-11 00:26:14,796 INFO L262 CegarLoopResult]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2021-10-11 00:26:14,796 INFO L262 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2021-10-11 00:26:14,796 INFO L258 CegarLoopResult]: At program point L6326(lines 1 7033) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,796 INFO L265 CegarLoopResult]: At program point L6227(lines 5979 6229) the Hoare annotation is: true [2021-10-11 00:26:14,796 INFO L262 CegarLoopResult]: For program point L6128(lines 6128 6164) no Hoare annotation was computed. [2021-10-11 00:26:14,796 INFO L262 CegarLoopResult]: For program point L6029(lines 6029 6044) no Hoare annotation was computed. [2021-10-11 00:26:14,796 INFO L258 CegarLoopResult]: At program point L7020(lines 7019 7021) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,796 INFO L258 CegarLoopResult]: At program point L5765-2(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,797 INFO L258 CegarLoopResult]: At program point L5765-3(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,797 INFO L258 CegarLoopResult]: At program point L5765(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,797 INFO L258 CegarLoopResult]: At program point L5765-1(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,797 INFO L258 CegarLoopResult]: At program point L5765-6(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,797 INFO L258 CegarLoopResult]: At program point L5765-4(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,797 INFO L258 CegarLoopResult]: At program point L5765-5(lines 5757 5767) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,797 INFO L262 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2021-10-11 00:26:14,797 INFO L258 CegarLoopResult]: At program point L6922(lines 1 7033) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,798 INFO L258 CegarLoopResult]: At program point L6988(lines 6987 6989) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,798 INFO L262 CegarLoopResult]: For program point L6856-1(lines 6856 6859) no Hoare annotation was computed. [2021-10-11 00:26:14,798 INFO L262 CegarLoopResult]: For program point L6856(lines 6856 6859) no Hoare annotation was computed. [2021-10-11 00:26:14,798 INFO L262 CegarLoopResult]: For program point L6130(lines 6130 6161) no Hoare annotation was computed. [2021-10-11 00:26:14,798 INFO L262 CegarLoopResult]: For program point L6031(lines 6031 6041) no Hoare annotation was computed. [2021-10-11 00:26:14,798 INFO L262 CegarLoopResult]: For program point L6064(line 6064) no Hoare annotation was computed. [2021-10-11 00:26:14,798 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,798 INFO L258 CegarLoopResult]: At program point L6296(lines 6291 6298) the Hoare annotation is: (let ((.cse0 (= ~ldv_mutex_i_mutex_of_inode~0 1)) (.cse1 (= 1 ~ldv_mutex_mutex_of_device~0)) (.cse2 (= ~ldv_mutex_lock~0 1))) (or (and .cse0 (= 2 ~ldv_mutex_udev~0) .cse1 (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 0) (= |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 0) .cse2) (and (<= (+ ULTIMATE.start_ldv_undef_int_negative_~ret~0 1) 0) .cse0 (= ~ldv_mutex_udev~0 1) (<= (+ |ULTIMATE.start_ldv_undef_int_negative_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_12_#res| 1) 0) (<= (+ |ULTIMATE.start_ldv_usb_lock_device_for_reset_udev_#res| 1) 0) .cse1 .cse2))) [2021-10-11 00:26:14,798 INFO L262 CegarLoopResult]: For program point L6131(line 6131) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6065(lines 6065 6125) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6032(line 6032) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6132(lines 6132 6137) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6033(lines 6033 6037) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L258 CegarLoopResult]: At program point L7024(lines 7023 7025) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6067(lines 6067 6122) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6100(line 6100) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L258 CegarLoopResult]: At program point L6992(lines 6991 6993) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6332-2(line 6332) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6332-1(line 6332) no Hoare annotation was computed. [2021-10-11 00:26:14,799 INFO L262 CegarLoopResult]: For program point L6332(line 6332) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6167(lines 6167 6182) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6332-5(line 6332) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6332-4(line 6332) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6332-3(line 6332) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6101(lines 6101 6108) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L258 CegarLoopResult]: At program point L6861(lines 6853 6863) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= 2 ~ldv_mutex_udev~0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6069(lines 6069 6077) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6103(lines 6103 6106) no Hoare annotation was computed. [2021-10-11 00:26:14,800 INFO L262 CegarLoopResult]: For program point L6169(lines 6169 6179) no Hoare annotation was computed. [2021-10-11 00:26:14,801 INFO L258 CegarLoopResult]: At program point L7028(lines 7027 7029) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,801 INFO L258 CegarLoopResult]: At program point L5773(lines 5768 5775) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,801 INFO L262 CegarLoopResult]: For program point L6203(lines 6203 6218) no Hoare annotation was computed. [2021-10-11 00:26:14,801 INFO L262 CegarLoopResult]: For program point L6170(line 6170) no Hoare annotation was computed. [2021-10-11 00:26:14,801 INFO L262 CegarLoopResult]: For program point L6071(lines 6071 6075) no Hoare annotation was computed. [2021-10-11 00:26:14,801 INFO L258 CegarLoopResult]: At program point L5840-1(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,801 INFO L258 CegarLoopResult]: At program point L5840-2(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,801 INFO L258 CegarLoopResult]: At program point L5840(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,801 INFO L258 CegarLoopResult]: At program point L5840-3(lines 5837 5842) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6171(lines 6171 6175) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6139(line 6139) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6205(lines 6205 6215) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6965(lines 6964 6982) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6206(line 6206) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6140(lines 6140 6157) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6207(lines 6207 6211) no Hoare annotation was computed. [2021-10-11 00:26:14,802 INFO L258 CegarLoopResult]: At program point L5976(lines 5970 5978) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_state_variable_0~0 1) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,802 INFO L262 CegarLoopResult]: For program point L6142(lines 6142 6150) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L6142-2(lines 6140 6156) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L6110(line 6110) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L-1-4(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point L-1-6(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6333) no Hoare annotation was computed. [2021-10-11 00:26:14,803 INFO L258 CegarLoopResult]: At program point L-1-8(line -1) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L6969(lines 6964 6982) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L-1-10(line -1) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L6111(lines 6111 6118) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L258 CegarLoopResult]: At program point L5781(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,804 INFO L258 CegarLoopResult]: At program point L5781-1(lines 5776 5783) the Hoare annotation is: (and (= ~ldv_mutex_i_mutex_of_inode~0 1) (= ~ldv_mutex_udev~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_lock~0 1)) [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L6343-1(lines 6343 6346) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L6343(lines 6343 6346) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L6079(line 6079) no Hoare annotation was computed. [2021-10-11 00:26:14,804 INFO L262 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2021-10-11 00:26:14,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:26:14 BoogieIcfgContainer [2021-10-11 00:26:14,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:26:14,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:14,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:14,840 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:14,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:10" (3/4) ... [2021-10-11 00:26:14,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:26:14,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-10-11 00:26:14,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-11 00:26:14,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-11 00:26:14,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:26:14,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:26:14,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && ldv_mutex_lock == 1) || ((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) [2021-10-11 00:26:14,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && \result == 0) && ldv_mutex_lock == 1) || (((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) [2021-10-11 00:26:14,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 [2021-10-11 00:26:14,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 [2021-10-11 00:26:14,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 [2021-10-11 00:26:15,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b114f14f-6223-402e-8ced-c2ba3aab75cd/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:26:15,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:15,287 INFO L168 Benchmark]: Toolchain (without parser) took 8903.35 ms. Allocated memory was 109.1 MB in the beginning and 327.2 MB in the end (delta: 218.1 MB). Free memory was 83.2 MB in the beginning and 156.3 MB in the end (delta: -73.1 MB). Peak memory consumption was 230.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:15,288 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory is still 86.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:15,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1731.15 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 83.2 MB in the beginning and 92.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:15,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.53 ms. Allocated memory is still 151.0 MB. Free memory was 91.7 MB in the beginning and 97.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:15,289 INFO L168 Benchmark]: Boogie Preprocessor took 154.10 ms. Allocated memory is still 151.0 MB. Free memory was 97.3 MB in the beginning and 88.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:15,289 INFO L168 Benchmark]: RCFGBuilder took 1747.42 ms. Allocated memory was 151.0 MB in the beginning and 260.0 MB in the end (delta: 109.1 MB). Free memory was 88.0 MB in the beginning and 140.8 MB in the end (delta: -52.8 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:15,290 INFO L168 Benchmark]: TraceAbstraction took 4608.57 ms. Allocated memory was 260.0 MB in the beginning and 327.2 MB in the end (delta: 67.1 MB). Free memory was 139.7 MB in the beginning and 126.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:15,290 INFO L168 Benchmark]: Witness Printer took 450.65 ms. Allocated memory is still 327.2 MB. Free memory was 125.0 MB in the beginning and 156.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:15,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 109.1 MB. Free memory is still 86.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1731.15 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 83.2 MB in the beginning and 92.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 204.53 ms. Allocated memory is still 151.0 MB. Free memory was 91.7 MB in the beginning and 97.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 154.10 ms. Allocated memory is still 151.0 MB. Free memory was 97.3 MB in the beginning and 88.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1747.42 ms. Allocated memory was 151.0 MB in the beginning and 260.0 MB in the end (delta: 109.1 MB). Free memory was 88.0 MB in the beginning and 140.8 MB in the end (delta: -52.8 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4608.57 ms. Allocated memory was 260.0 MB in the beginning and 327.2 MB in the end (delta: 67.1 MB). Free memory was 139.7 MB in the beginning and 126.0 MB in the end (delta: 13.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. * Witness Printer took 450.65 ms. Allocated memory is still 327.2 MB. Free memory was 125.0 MB in the beginning and 156.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6333]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 6962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6987]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5948]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6991]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 6965]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5757]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5837]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 7004]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7008]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7019]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5768]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6336]: Loop Invariant Derived loop invariant: ((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6307]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6853]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && \result == 0) && ldv_mutex_lock == 1) || (((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) - InvariantResult [Line: 5970]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_state_variable_0 == 1) && ldv_mutex_lock == 1 - InvariantResult [Line: 5794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7012]: Loop Invariant Derived loop invariant: (((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && r == 0) && \result == 0) && \result == 0) && ldv_mutex_lock == 1 - InvariantResult [Line: 7023]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 6002]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5776]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && ldv_state_variable_6 == 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 7027]: Loop Invariant Derived loop invariant: ((ldv_mutex_i_mutex_of_inode == 1 && ldv_mutex_udev == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1 - InvariantResult [Line: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6940]: Loop Invariant Derived loop invariant: ((((ldv_mutex_i_mutex_of_inode == 1 && 2 == ldv_mutex_udev) && 1 == ldv_mutex_mutex_of_device) && \result == 0) && ldv_mutex_lock == 1) || ((((((ret + 1 <= 0 && ldv_mutex_i_mutex_of_inode == 1) && ldv_mutex_udev == 1) && \result + 1 <= 0) && \result + 1 <= 0) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_lock == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 157 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2417 SDtfs, 2528 SDslu, 2902 SDs, 0 SdLazy, 88 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=679occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 1235 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 48 PreInvPairs, 203 NumberOfFragments, 634 HoareAnnotationTreeSize, 48 FomulaSimplifications, 10313 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 535 NumberOfCodeBlocks, 535 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 525 ConstructedInterpolants, 0 QuantifiedInterpolants, 53161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...