./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/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_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:35:49,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:49,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:49,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:49,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:49,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:49,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:49,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:49,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:49,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:49,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:49,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:49,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:49,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:49,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:49,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:49,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:49,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:49,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:49,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:49,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:49,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:49,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:49,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:49,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:49,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:49,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:49,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:49,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:49,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:49,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:49,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:49,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:49,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:49,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:49,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:49,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:49,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:49,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:49,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:49,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:49,518 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:35:49,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:49,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:49,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:49,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:49,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:49,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:49,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:49,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:49,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:49,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:49,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:49,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:49,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:49,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:49,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:49,548 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:49,549 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:49,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:49,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:49,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:49,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:49,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:49,550 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:49,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:49,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:49,550 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_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2022-10-17 16:35:49,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:49,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:49,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:49,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:49,853 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:49,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2022-10-17 16:35:49,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/data/8a92dc147/424bcdb1e76748c898a013cb05af1c72/FLAG5209783ce [2022-10-17 16:35:50,853 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:50,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2022-10-17 16:35:50,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/data/8a92dc147/424bcdb1e76748c898a013cb05af1c72/FLAG5209783ce [2022-10-17 16:35:51,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/data/8a92dc147/424bcdb1e76748c898a013cb05af1c72 [2022-10-17 16:35:51,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:51,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:51,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:51,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:51,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:51,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:51" (1/1) ... [2022-10-17 16:35:51,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21800af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:51, skipping insertion in model container [2022-10-17 16:35:51,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:51" (1/1) ... [2022-10-17 16:35:51,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:51,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:53,186 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_9707feba-175c-4dac-afb6-73e2834c7bab/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2022-10-17 16:35:53,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:53,253 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:53,632 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_9707feba-175c-4dac-afb6-73e2834c7bab/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2022-10-17 16:35:53,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:53,742 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:53,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53 WrapperNode [2022-10-17 16:35:53,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:53,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:53,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:53,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:53,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:53,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,055 INFO L138 Inliner]: procedures = 236, calls = 1201, calls flagged for inlining = 124, calls inlined = 121, statements flattened = 3745 [2022-10-17 16:35:54,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:54,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:54,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:54,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:54,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,227 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:54,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:54,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:54,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:54,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:53" (1/1) ... [2022-10-17 16:35:54,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:54,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:54,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:54,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9707feba-175c-4dac-afb6-73e2834c7bab/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:54,392 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-10-17 16:35:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-10-17 16:35:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:35:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:35:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2022-10-17 16:35:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2022-10-17 16:35:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-17 16:35:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-17 16:35:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 16:35:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 16:35:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:35:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:35:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-10-17 16:35:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2022-10-17 16:35:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-10-17 16:35:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-10-17 16:35:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-17 16:35:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-17 16:35:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2022-10-17 16:35:54,397 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2022-10-17 16:35:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2022-10-17 16:35:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2022-10-17 16:35:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-17 16:35:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-17 16:35:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 16:35:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 16:35:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2022-10-17 16:35:54,399 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2022-10-17 16:35:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2022-10-17 16:35:54,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2022-10-17 16:35:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2022-10-17 16:35:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2022-10-17 16:35:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-10-17 16:35:54,400 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-10-17 16:35:54,400 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-10-17 16:35:54,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-10-17 16:35:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:35:54,401 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:35:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2022-10-17 16:35:54,401 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2022-10-17 16:35:54,401 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2022-10-17 16:35:54,402 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2022-10-17 16:35:54,402 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2022-10-17 16:35:54,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2022-10-17 16:35:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2022-10-17 16:35:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2022-10-17 16:35:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2022-10-17 16:35:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2022-10-17 16:35:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:35:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2022-10-17 16:35:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2022-10-17 16:35:54,404 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2022-10-17 16:35:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2022-10-17 16:35:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:35:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-17 16:35:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-17 16:35:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:35:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:35:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 16:35:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 16:35:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 16:35:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 16:35:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-17 16:35:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-17 16:35:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 16:35:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 16:35:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2022-10-17 16:35:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2022-10-17 16:35:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-10-17 16:35:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-10-17 16:35:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:35:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 16:35:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 16:35:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2022-10-17 16:35:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2022-10-17 16:35:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2022-10-17 16:35:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2022-10-17 16:35:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:35:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2022-10-17 16:35:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2022-10-17 16:35:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:35:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-10-17 16:35:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-10-17 16:35:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2022-10-17 16:35:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2022-10-17 16:35:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2022-10-17 16:35:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2022-10-17 16:35:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-10-17 16:35:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-10-17 16:35:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:35:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:35:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:35:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:35:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-17 16:35:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-10-17 16:35:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 16:35:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 16:35:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:35:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 16:35:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 16:35:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2022-10-17 16:35:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2022-10-17 16:35:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 16:35:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 16:35:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:35:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 16:35:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 16:35:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2022-10-17 16:35:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2022-10-17 16:35:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:35:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-10-17 16:35:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-10-17 16:35:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2022-10-17 16:35:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2022-10-17 16:35:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:35:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2022-10-17 16:35:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2022-10-17 16:35:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 16:35:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 16:35:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-17 16:35:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-17 16:35:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2022-10-17 16:35:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2022-10-17 16:35:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-10-17 16:35:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-10-17 16:35:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-10-17 16:35:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-10-17 16:35:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 16:35:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 16:35:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2022-10-17 16:35:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2022-10-17 16:35:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2022-10-17 16:35:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2022-10-17 16:35:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 16:35:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 16:35:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 16:35:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 16:35:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-10-17 16:35:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-10-17 16:35:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 16:35:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 16:35:55,232 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:55,238 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:56,056 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:35:58,369 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-10-17 16:35:58,369 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-10-17 16:35:58,394 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-17 16:35:58,394 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-17 16:35:59,015 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-17 16:35:59,015 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-17 16:35:59,582 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:35:59,584 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:36:01,761 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2022-10-17 16:36:01,761 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2022-10-17 16:36:01,761 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2022-10-17 16:36:01,761 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2022-10-17 16:36:01,849 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:03,038 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:03,038 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:36:03,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:03 BoogieIcfgContainer [2022-10-17 16:36:03,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:03,048 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:03,048 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:03,059 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:03,060 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:03" (1/1) ... [2022-10-17 16:36:03,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:03,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 832 states and 1186 transitions. [2022-10-17 16:36:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1186 transitions. [2022-10-17 16:36:03,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:36:03,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 835 states and 1192 transitions. [2022-10-17 16:36:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1192 transitions. [2022-10-17 16:36:03,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:03,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:03,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 835 states and 1191 transitions. [2022-10-17 16:36:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1191 transitions. [2022-10-17 16:36:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:04,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 835 states and 1190 transitions. [2022-10-17 16:36:04,320 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1190 transitions. [2022-10-17 16:36:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:04,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:04,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 836 states and 1191 transitions. [2022-10-17 16:36:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1191 transitions. [2022-10-17 16:36:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:36:05,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 838 states and 1193 transitions. [2022-10-17 16:36:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1193 transitions. [2022-10-17 16:36:05,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:36:05,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 840 states and 1195 transitions. [2022-10-17 16:36:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2022-10-17 16:36:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:36:06,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 847 states and 1208 transitions. [2022-10-17 16:36:06,413 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1208 transitions. [2022-10-17 16:36:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:36:06,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:06,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:07,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 849 states and 1209 transitions. [2022-10-17 16:36:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1209 transitions. [2022-10-17 16:36:07,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:36:07,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 853 states and 1225 transitions. [2022-10-17 16:36:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1225 transitions. [2022-10-17 16:36:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:36:07,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:07,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 848 states and 1217 transitions. [2022-10-17 16:36:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1217 transitions. [2022-10-17 16:36:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:36:07,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:07,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 845 states and 1212 transitions. [2022-10-17 16:36:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1212 transitions. [2022-10-17 16:36:07,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:36:07,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:07,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 856 states and 1239 transitions. [2022-10-17 16:36:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1239 transitions. [2022-10-17 16:36:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:36:09,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 858 states and 1241 transitions. [2022-10-17 16:36:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1241 transitions. [2022-10-17 16:36:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:36:09,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:36:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 864 states and 1251 transitions. [2022-10-17 16:36:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1251 transitions. [2022-10-17 16:36:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:36:09,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:09,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:36:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 867 states and 1257 transitions. [2022-10-17 16:36:10,068 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1257 transitions. [2022-10-17 16:36:10,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:36:10,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 868 states and 1257 transitions. [2022-10-17 16:36:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1257 transitions. [2022-10-17 16:36:10,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:36:10,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:36:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 870 states and 1260 transitions. [2022-10-17 16:36:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1260 transitions. [2022-10-17 16:36:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:36:10,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 867 states and 1254 transitions. [2022-10-17 16:36:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1254 transitions. [2022-10-17 16:36:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:36:10,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 867 states and 1252 transitions. [2022-10-17 16:36:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1252 transitions. [2022-10-17 16:36:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:36:10,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 870 states and 1263 transitions. [2022-10-17 16:36:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1263 transitions. [2022-10-17 16:36:11,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:36:11,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:11,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 876 states and 1273 transitions. [2022-10-17 16:36:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1273 transitions. [2022-10-17 16:36:12,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:36:12,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:12,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 16:36:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 882 states and 1282 transitions. [2022-10-17 16:36:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1282 transitions. [2022-10-17 16:36:13,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-17 16:36:13,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:13,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-17 16:36:14,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 888 states and 1291 transitions. [2022-10-17 16:36:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1291 transitions. [2022-10-17 16:36:14,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-17 16:36:14,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:14,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-10-17 16:36:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 894 states and 1300 transitions. [2022-10-17 16:36:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1300 transitions. [2022-10-17 16:36:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-17 16:36:15,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:15,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:36:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 900 states and 1309 transitions. [2022-10-17 16:36:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1309 transitions. [2022-10-17 16:36:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:36:17,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:17,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-10-17 16:36:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 906 states and 1318 transitions. [2022-10-17 16:36:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1318 transitions. [2022-10-17 16:36:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-17 16:36:18,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:18,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat