./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:24,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:24,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:24,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:24,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:24,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:24,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:24,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:24,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:24,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:24,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:24,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:24,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:24,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:24,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:24,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:24,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:24,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:24,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:24,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:24,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:24,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:24,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:24,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:24,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:24,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:24,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:24,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:24,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:24,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:24,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:24,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:24,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:24,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:24,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:24,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:24,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:24,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:24,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:24,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:24,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:24,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 00:37:24,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:24,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:24,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:37:24,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:37:24,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:24,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:24,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:24,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:24,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:24,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:37:24,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:24,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:37:24,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:37:24,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:24,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:37:24,716 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:24,716 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:24,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:24,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:24,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:24,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:24,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:37:24,717 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:24,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:24,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:37:24,718 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_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-23 00:37:25,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:25,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:25,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:25,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:25,047 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:25,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-23 00:37:25,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/192963399/c7e1a7ca5ea4438086c5908b24a0946e/FLAG94722348d [2021-11-23 00:37:25,965 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:25,966 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-23 00:37:26,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/192963399/c7e1a7ca5ea4438086c5908b24a0946e/FLAG94722348d [2021-11-23 00:37:26,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/192963399/c7e1a7ca5ea4438086c5908b24a0946e [2021-11-23 00:37:26,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:26,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:26,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:26,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:26,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:26,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:26" (1/1) ... [2021-11-23 00:37:26,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd2784f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:26, skipping insertion in model container [2021-11-23 00:37:26,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:26" (1/1) ... [2021-11-23 00:37:26,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:26,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:28,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-23 00:37:28,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:28,410 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:28,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-23 00:37:28,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:28,956 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:28,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28 WrapperNode [2021-11-23 00:37:28,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:28,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:28,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:28,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:28,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,257 INFO L137 Inliner]: procedures = 236, calls = 1201, calls flagged for inlining = 124, calls inlined = 121, statements flattened = 3651 [2021-11-23 00:37:29,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:29,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:29,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:29,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:29,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:29,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:29,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:29,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:29,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:28" (1/1) ... [2021-11-23 00:37:29,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:29,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:29,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:29,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:29,585 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-11-23 00:37:29,585 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-11-23 00:37:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 00:37:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 00:37:29,587 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2021-11-23 00:37:29,587 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2021-11-23 00:37:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 00:37:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 00:37:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 00:37:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 00:37:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 00:37:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 00:37:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2021-11-23 00:37:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2021-11-23 00:37:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-23 00:37:29,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-23 00:37:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 00:37:29,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 00:37:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2021-11-23 00:37:29,591 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2021-11-23 00:37:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2021-11-23 00:37:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2021-11-23 00:37:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-23 00:37:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-23 00:37:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 00:37:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 00:37:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2021-11-23 00:37:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2021-11-23 00:37:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2021-11-23 00:37:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2021-11-23 00:37:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2021-11-23 00:37:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2021-11-23 00:37:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-23 00:37:29,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-23 00:37:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-23 00:37:29,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-23 00:37:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 00:37:29,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 00:37:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2021-11-23 00:37:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2021-11-23 00:37:29,595 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2021-11-23 00:37:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2021-11-23 00:37:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2021-11-23 00:37:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2021-11-23 00:37:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2021-11-23 00:37:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2021-11-23 00:37:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2021-11-23 00:37:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2021-11-23 00:37:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:37:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2021-11-23 00:37:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2021-11-23 00:37:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2021-11-23 00:37:29,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2021-11-23 00:37:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:37:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 00:37:29,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 00:37:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:37:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:37:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 00:37:29,599 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 00:37:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-23 00:37:29,601 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-23 00:37:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-23 00:37:29,602 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-23 00:37:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 00:37:29,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 00:37:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2021-11-23 00:37:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2021-11-23 00:37:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-11-23 00:37:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-11-23 00:37:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 00:37:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 00:37:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 00:37:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2021-11-23 00:37:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2021-11-23 00:37:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2021-11-23 00:37:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2021-11-23 00:37:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 00:37:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2021-11-23 00:37:29,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2021-11-23 00:37:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:37:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-11-23 00:37:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-11-23 00:37:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2021-11-23 00:37:29,606 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2021-11-23 00:37:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2021-11-23 00:37:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2021-11-23 00:37:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2021-11-23 00:37:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2021-11-23 00:37:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 00:37:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 00:37:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 00:37:29,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 00:37:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-23 00:37:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-23 00:37:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 00:37:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 00:37:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:37:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 00:37:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 00:37:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2021-11-23 00:37:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2021-11-23 00:37:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 00:37:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 00:37:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:37:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 00:37:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 00:37:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2021-11-23 00:37:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2021-11-23 00:37:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:37:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-23 00:37:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-23 00:37:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2021-11-23 00:37:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2021-11-23 00:37:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 00:37:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2021-11-23 00:37:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2021-11-23 00:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 00:37:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 00:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 00:37:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 00:37:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2021-11-23 00:37:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2021-11-23 00:37:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-23 00:37:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-23 00:37:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2021-11-23 00:37:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2021-11-23 00:37:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 00:37:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 00:37:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2021-11-23 00:37:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2021-11-23 00:37:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2021-11-23 00:37:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2021-11-23 00:37:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 00:37:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 00:37:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 00:37:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 00:37:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-23 00:37:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-23 00:37:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 00:37:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 00:37:30,372 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:30,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:30,935 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:37:32,938 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-23 00:37:32,939 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-23 00:37:32,969 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 00:37:32,969 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 00:37:33,484 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 00:37:33,484 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 00:37:33,883 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:37:33,885 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:37:36,784 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2021-11-23 00:37:36,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2021-11-23 00:37:36,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-23 00:37:36,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-23 00:37:36,833 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:37,480 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:37,480 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:37:37,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:37 BoogieIcfgContainer [2021-11-23 00:37:37,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:37,487 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:37,487 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:37,497 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:37,498 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:37" (1/1) ... [2021-11-23 00:37:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:37,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 832 states and 1186 transitions. [2021-11-23 00:37:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1186 transitions. [2021-11-23 00:37:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:37:37,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:37,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 835 states and 1192 transitions. [2021-11-23 00:37:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1192 transitions. [2021-11-23 00:37:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:37:38,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 835 states and 1191 transitions. [2021-11-23 00:37:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1191 transitions. [2021-11-23 00:37:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:37:38,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 835 states and 1190 transitions. [2021-11-23 00:37:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1190 transitions. [2021-11-23 00:37:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:38,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:38,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 836 states and 1191 transitions. [2021-11-23 00:37:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1191 transitions. [2021-11-23 00:37:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:37:38,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:38,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 838 states and 1193 transitions. [2021-11-23 00:37:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1193 transitions. [2021-11-23 00:37:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:37:39,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 840 states and 1195 transitions. [2021-11-23 00:37:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2021-11-23 00:37:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:37:39,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 847 states and 1208 transitions. [2021-11-23 00:37:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1208 transitions. [2021-11-23 00:37:39,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:37:39,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:40,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 849 states and 1209 transitions. [2021-11-23 00:37:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1209 transitions. [2021-11-23 00:37:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:37:40,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 853 states and 1225 transitions. [2021-11-23 00:37:40,691 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1225 transitions. [2021-11-23 00:37:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:37:40,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:40,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 848 states and 1217 transitions. [2021-11-23 00:37:40,831 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1217 transitions. [2021-11-23 00:37:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:37:40,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:37:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 845 states and 1212 transitions. [2021-11-23 00:37:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1212 transitions. [2021-11-23 00:37:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:37:40,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:40,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 856 states and 1239 transitions. [2021-11-23 00:37:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1239 transitions. [2021-11-23 00:37:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:37:42,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:37:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 858 states and 1241 transitions. [2021-11-23 00:37:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1241 transitions. [2021-11-23 00:37:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:37:42,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:37:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 864 states and 1251 transitions. [2021-11-23 00:37:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1251 transitions. [2021-11-23 00:37:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:37:42,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:37:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 867 states and 1257 transitions. [2021-11-23 00:37:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1257 transitions. [2021-11-23 00:37:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:37:42,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 868 states and 1257 transitions. [2021-11-23 00:37:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1257 transitions. [2021-11-23 00:37:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:37:42,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:42,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:37:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 870 states and 1260 transitions. [2021-11-23 00:37:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1260 transitions. [2021-11-23 00:37:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:37:43,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:37:43,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 867 states and 1254 transitions. [2021-11-23 00:37:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1254 transitions. [2021-11-23 00:37:43,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:37:43,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 873 states and 1261 transitions. [2021-11-23 00:37:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1261 transitions. [2021-11-23 00:37:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:37:43,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:37:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 875 states and 1263 transitions. [2021-11-23 00:37:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1263 transitions. [2021-11-23 00:37:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:37:43,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 881 states and 1273 transitions. [2021-11-23 00:37:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1273 transitions. [2021-11-23 00:37:43,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:37:43,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:43,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,186 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:37:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 887 states and 1282 transitions. [2021-11-23 00:37:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1282 transitions. [2021-11-23 00:37:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:37:44,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:44,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 00:37:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 893 states and 1291 transitions. [2021-11-23 00:37:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1291 transitions. [2021-11-23 00:37:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:37:45,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:45,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-23 00:37:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 899 states and 1300 transitions. [2021-11-23 00:37:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1300 transitions. [2021-11-23 00:37:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-23 00:37:45,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:45,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:37:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 905 states and 1309 transitions. [2021-11-23 00:37:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1309 transitions. [2021-11-23 00:37:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 00:37:46,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:46,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-23 00:37:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 911 states and 1318 transitions. [2021-11-23 00:37:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1318 transitions. [2021-11-23 00:37:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 00:37:47,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:47,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-11-23 00:37:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 917 states and 1327 transitions. [2021-11-23 00:37:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1327 transitions. [2021-11-23 00:37:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 00:37:47,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:47,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2021-11-23 00:37:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 921 states and 1339 transitions. [2021-11-23 00:37:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1339 transitions. [2021-11-23 00:37:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 00:37:49,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:49,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 15 proven. 48 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2021-11-23 00:37:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 925 states and 1350 transitions. [2021-11-23 00:37:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1350 transitions. [2021-11-23 00:37:50,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-23 00:37:50,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:50,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 17 proven. 32 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2021-11-23 00:37:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:50,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 927 states and 1352 transitions. [2021-11-23 00:37:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1352 transitions. [2021-11-23 00:37:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-23 00:37:50,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:50,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 19 proven. 30 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2021-11-23 00:37:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 929 states and 1354 transitions. [2021-11-23 00:37:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1354 transitions. [2021-11-23 00:37:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 00:37:51,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:51,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2021-11-23 00:37:52,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 931 states and 1356 transitions. [2021-11-23 00:37:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1356 transitions. [2021-11-23 00:37:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 00:37:52,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:52,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 95 proven. 10 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2021-11-23 00:37:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 933 states and 1358 transitions. [2021-11-23 00:37:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1358 transitions. [2021-11-23 00:37:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 00:37:53,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:53,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 110 proven. 8 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-23 00:37:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 935 states and 1360 transitions. [2021-11-23 00:37:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1360 transitions. [2021-11-23 00:37:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-23 00:37:54,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:54,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 113 proven. 6 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2021-11-23 00:37:55,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 937 states and 1362 transitions. [2021-11-23 00:37:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1362 transitions. [2021-11-23 00:37:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-23 00:37:55,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:55,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1607 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 1499 trivial. 0 not checked. [2021-11-23 00:37:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 939 states and 1364 transitions. [2021-11-23 00:37:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1364 transitions. [2021-11-23 00:37:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-23 00:37:56,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:56,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2021-11-23 00:37:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 941 states and 1366 transitions. [2021-11-23 00:37:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1366 transitions. [2021-11-23 00:37:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-11-23 00:37:57,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:57,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-11-23 00:37:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 943 states and 1368 transitions. [2021-11-23 00:37:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1368 transitions. [2021-11-23 00:37:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-23 00:37:59,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:59,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 466 proven. 541 refuted. 0 times theorem prover too weak. 1977 trivial. 0 not checked. [2021-11-23 00:40:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 950 states and 1384 transitions. [2021-11-23 00:40:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1384 transitions. [2021-11-23 00:40:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-23 00:40:58,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:58,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2985 trivial. 0 not checked. [2021-11-23 00:41:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 955 states and 1393 transitions. [2021-11-23 00:41:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1393 transitions. [2021-11-23 00:41:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-23 00:41:04,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:04,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2985 trivial. 0 not checked. [2021-11-23 00:41:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:12,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 960 states and 1402 transitions. [2021-11-23 00:41:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1402 transitions. [2021-11-23 00:41:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-23 00:41:12,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:12,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2985 trivial. 0 not checked. [2021-11-23 00:41:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 963 states and 1407 transitions. [2021-11-23 00:41:20,527 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1407 transitions. [2021-11-23 00:41:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-23 00:41:20,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:20,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2985 trivial. 0 not checked. [2021-11-23 00:41:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 975 states and 1434 transitions. [2021-11-23 00:41:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1434 transitions. [2021-11-23 00:41:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-23 00:41:32,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:32,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2899 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2895 trivial. 0 not checked. [2021-11-23 00:41:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 977 states and 1436 transitions. [2021-11-23 00:41:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1436 transitions. [2021-11-23 00:41:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-23 00:41:32,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:32,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2900 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2896 trivial. 0 not checked. [2021-11-23 00:41:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 979 states and 1439 transitions. [2021-11-23 00:41:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1439 transitions. [2021-11-23 00:41:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-23 00:41:32,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:32,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2021-11-23 00:41:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 983 states and 1445 transitions. [2021-11-23 00:41:40,515 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1445 transitions. [2021-11-23 00:41:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-11-23 00:41:40,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:40,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:40,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2891 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2021-11-23 00:41:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 992 states and 1464 transitions. [2021-11-23 00:41:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1464 transitions. [2021-11-23 00:41:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-23 00:41:40,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:40,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3081 trivial. 0 not checked. [2021-11-23 00:41:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 994 states and 1471 transitions. [2021-11-23 00:41:44,297 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1471 transitions. [2021-11-23 00:41:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-11-23 00:41:44,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:44,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2891 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2021-11-23 00:41:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1000 states and 1482 transitions. [2021-11-23 00:41:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1482 transitions. [2021-11-23 00:41:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-23 00:41:44,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:44,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2985 trivial. 0 not checked. [2021-11-23 00:41:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1002 states and 1487 transitions. [2021-11-23 00:41:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1487 transitions. [2021-11-23 00:41:52,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-23 00:41:52,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:52,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3081 trivial. 0 not checked. [2021-11-23 00:41:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1003 states and 1488 transitions. [2021-11-23 00:41:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1488 transitions. [2021-11-23 00:41:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-23 00:41:57,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:57,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2891 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2021-11-23 00:42:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1013 states and 1529 transitions. [2021-11-23 00:42:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1529 transitions. [2021-11-23 00:42:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-23 00:42:03,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:03,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:42:13,523 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:42:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:42:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 00:42:29,637 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:42:29,641 INFO L158 Benchmark]: Toolchain (without parser) took 303179.25ms. Allocated memory was 111.1MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 73.9MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2021-11-23 00:42:29,641 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:42:29,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2493.71ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 73.5MB in the beginning and 73.2MB in the end (delta: 260.4kB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2021-11-23 00:42:29,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 299.69ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 85.9MB in the end (delta: -12.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-23 00:42:29,643 INFO L158 Benchmark]: Boogie Preprocessor took 240.76ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 65.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:42:29,644 INFO L158 Benchmark]: RCFGBuilder took 7985.36ms. Allocated memory was 142.6MB in the beginning and 283.1MB in the end (delta: 140.5MB). Free memory was 65.3MB in the beginning and 87.7MB in the end (delta: -22.4MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. [2021-11-23 00:42:29,645 INFO L158 Benchmark]: CodeCheck took 292152.22ms. Allocated memory was 283.1MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 87.7MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 974.4MB. Max. memory is 16.1GB. [2021-11-23 00:42:29,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2493.71ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 73.5MB in the beginning and 73.2MB in the end (delta: 260.4kB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 299.69ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 85.9MB in the end (delta: -12.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 240.76ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 65.3MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 7985.36ms. Allocated memory was 142.6MB in the beginning and 283.1MB in the end (delta: 140.5MB). Free memory was 65.3MB in the beginning and 87.7MB in the end (delta: -22.4MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. * CodeCheck took 292152.22ms. Allocated memory was 283.1MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 87.7MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 974.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:42:29,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:42:32,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:42:32,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:42:32,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:42:32,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:42:32,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:42:32,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:42:32,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:42:32,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:42:32,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:42:32,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:42:32,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:42:32,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:42:32,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:42:32,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:42:32,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:42:32,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:42:32,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:42:32,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:42:32,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:42:32,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:42:32,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:42:32,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:42:32,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:42:32,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:42:32,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:42:32,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:42:32,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:42:32,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:42:32,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:42:32,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:42:32,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:42:32,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:42:32,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:42:32,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:42:32,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:42:32,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:42:32,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:42:32,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:42:32,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:42:32,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:42:32,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 00:42:32,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:42:32,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:42:32,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:42:32,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:42:32,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:42:32,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:42:32,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:42:32,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:42:32,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:42:32,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:42:32,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:42:32,402 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:42:32,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:42:32,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:42:32,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:42:32,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:42:32,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:42:32,403 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:42:32,403 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:42:32,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:42:32,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:32,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:42:32,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:42:32,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:42:32,405 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:42:32,405 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:42:32,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:42:32,406 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:42:32,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:42:32,406 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-23 00:42:32,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:42:32,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:42:32,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:42:32,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:42:32,824 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:42:32,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-23 00:42:32,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/d85cee660/ff79d02f7b1045228ec3cf464ba8b62d/FLAG26ebf35f5 [2021-11-23 00:42:33,922 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:42:33,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-23 00:42:33,970 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/d85cee660/ff79d02f7b1045228ec3cf464ba8b62d/FLAG26ebf35f5 [2021-11-23 00:42:34,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/data/d85cee660/ff79d02f7b1045228ec3cf464ba8b62d [2021-11-23 00:42:34,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:42:34,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:42:34,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:34,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:42:34,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:42:34,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289c2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:34, skipping insertion in model container [2021-11-23 00:42:34,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:34" (1/1) ... [2021-11-23 00:42:34,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:42:34,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:42:35,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-23 00:42:36,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:36,059 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:42:36,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:42:36,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-23 00:42:36,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:36,350 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:42:36,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-23 00:42:36,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:36,796 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:42:36,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36 WrapperNode [2021-11-23 00:42:36,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:36,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:36,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:42:36,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:42:36,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:36,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,094 INFO L137 Inliner]: procedures = 251, calls = 1201, calls flagged for inlining = 126, calls inlined = 115, statements flattened = 3397 [2021-11-23 00:42:37,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:37,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:42:37,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:42:37,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:42:37,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:42:37,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:42:37,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:42:37,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:42:37,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:36" (1/1) ... [2021-11-23 00:42:37,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:37,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:42:37,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:42:37,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:42:37,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 00:42:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-11-23 00:42:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-11-23 00:42:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 00:42:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:42:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 00:42:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 00:42:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 00:42:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2021-11-23 00:42:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2021-11-23 00:42:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 00:42:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 00:42:37,465 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 00:42:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 00:42:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 00:42:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 00:42:37,466 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2021-11-23 00:42:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2021-11-23 00:42:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-23 00:42:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-23 00:42:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-23 00:42:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-23 00:42:37,467 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2021-11-23 00:42:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2021-11-23 00:42:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2021-11-23 00:42:37,468 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2021-11-23 00:42:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-23 00:42:37,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-23 00:42:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 00:42:37,468 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 00:42:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2021-11-23 00:42:37,469 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2021-11-23 00:42:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2021-11-23 00:42:37,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2021-11-23 00:42:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2021-11-23 00:42:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2021-11-23 00:42:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-23 00:42:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-23 00:42:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-23 00:42:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-23 00:42:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 00:42:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 00:42:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2021-11-23 00:42:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2021-11-23 00:42:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2021-11-23 00:42:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2021-11-23 00:42:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2021-11-23 00:42:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2021-11-23 00:42:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2021-11-23 00:42:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2021-11-23 00:42:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2021-11-23 00:42:37,472 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2021-11-23 00:42:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:42:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2021-11-23 00:42:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2021-11-23 00:42:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2021-11-23 00:42:37,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2021-11-23 00:42:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:42:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 00:42:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 00:42:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 00:42:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 00:42:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 00:42:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:42:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:42:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:42:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 00:42:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 00:42:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:42:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-23 00:42:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-23 00:42:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 00:42:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 00:42:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-23 00:42:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-23 00:42:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 00:42:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 00:42:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2021-11-23 00:42:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2021-11-23 00:42:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-11-23 00:42:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-11-23 00:42:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 00:42:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 00:42:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2021-11-23 00:42:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2021-11-23 00:42:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2021-11-23 00:42:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2021-11-23 00:42:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2021-11-23 00:42:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2021-11-23 00:42:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-11-23 00:42:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-11-23 00:42:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2021-11-23 00:42:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2021-11-23 00:42:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2021-11-23 00:42:37,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2021-11-23 00:42:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2021-11-23 00:42:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2021-11-23 00:42:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 00:42:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 00:42:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 00:42:37,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 00:42:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-23 00:42:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-23 00:42:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 00:42:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 00:42:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 00:42:37,482 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 00:42:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 00:42:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 00:42:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 00:42:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 00:42:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2021-11-23 00:42:37,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2021-11-23 00:42:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 00:42:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 00:42:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:42:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 00:42:37,484 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 00:42:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:42:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2021-11-23 00:42:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2021-11-23 00:42:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:42:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-23 00:42:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-23 00:42:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2021-11-23 00:42:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2021-11-23 00:42:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 00:42:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 00:42:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2021-11-23 00:42:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2021-11-23 00:42:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 00:42:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 00:42:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 00:42:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 00:42:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 00:42:37,487 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 00:42:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2021-11-23 00:42:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2021-11-23 00:42:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-23 00:42:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-23 00:42:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2021-11-23 00:42:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2021-11-23 00:42:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 00:42:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 00:42:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2021-11-23 00:42:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2021-11-23 00:42:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2021-11-23 00:42:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2021-11-23 00:42:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 00:42:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 00:42:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-23 00:42:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-23 00:42:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 00:42:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:42:37,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:42:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 00:42:37,491 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 00:42:38,169 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:42:38,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:43:05,094 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:43:31,535 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-23 00:43:31,535 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-23 00:43:31,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 00:43:31,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 00:43:53,715 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-23 00:43:53,716 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-23 00:43:56,974 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:43:56,977 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 00:44:18,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2021-11-23 00:44:18,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2021-11-23 00:44:18,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-23 00:44:18,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-23 00:44:19,058 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:44:19,674 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:44:19,674 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:44:19,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:19 BoogieIcfgContainer [2021-11-23 00:44:19,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:44:19,686 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:44:19,686 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:44:19,695 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:44:19,695 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:44:19" (1/1) ... [2021-11-23 00:44:19,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:44:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 811 states and 1153 transitions. [2021-11-23 00:44:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1153 transitions. [2021-11-23 00:44:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:44:19,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:19,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:19,887 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:44:19,892 INFO L158 Benchmark]: Toolchain (without parser) took 105553.72ms. Allocated memory was 62.9MB in the beginning and 182.5MB in the end (delta: 119.5MB). Free memory was 35.8MB in the beginning and 70.8MB in the end (delta: -34.9MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. [2021-11-23 00:44:19,893 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:44:19,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2458.97ms. Allocated memory was 62.9MB in the beginning and 123.7MB in the end (delta: 60.8MB). Free memory was 35.6MB in the beginning and 43.9MB in the end (delta: -8.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2021-11-23 00:44:19,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 297.07ms. Allocated memory is still 123.7MB. Free memory was 43.9MB in the beginning and 53.2MB in the end (delta: -9.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-11-23 00:44:19,898 INFO L158 Benchmark]: Boogie Preprocessor took 286.25ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 53.2MB in the beginning and 110.8MB in the end (delta: -57.6MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2021-11-23 00:44:19,899 INFO L158 Benchmark]: RCFGBuilder took 102302.22ms. Allocated memory is still 182.5MB. Free memory was 110.8MB in the beginning and 80.2MB in the end (delta: 30.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2021-11-23 00:44:19,905 INFO L158 Benchmark]: CodeCheck took 204.06ms. Allocated memory is still 182.5MB. Free memory was 80.2MB in the beginning and 70.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:44:19,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2458.97ms. Allocated memory was 62.9MB in the beginning and 123.7MB in the end (delta: 60.8MB). Free memory was 35.6MB in the beginning and 43.9MB in the end (delta: -8.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 297.07ms. Allocated memory is still 123.7MB. Free memory was 43.9MB in the beginning and 53.2MB in the end (delta: -9.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 286.25ms. Allocated memory was 123.7MB in the beginning and 182.5MB in the end (delta: 58.7MB). Free memory was 53.2MB in the beginning and 110.8MB in the end (delta: -57.6MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * RCFGBuilder took 102302.22ms. Allocated memory is still 182.5MB. Free memory was 110.8MB in the beginning and 80.2MB in the end (delta: 30.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * CodeCheck took 204.06ms. Allocated memory is still 182.5MB. Free memory was 80.2MB in the beginning and 70.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:44:20,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2940312-3fb6-4658-b123-e4274e70f97a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared