./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/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_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:08:00,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:08:00,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:08:01,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:08:01,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:08:01,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:08:01,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:08:01,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:08:01,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:08:01,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:08:01,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:08:01,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:08:01,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:08:01,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:08:01,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:08:01,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:08:01,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:08:01,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:08:01,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:08:01,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:08:01,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:08:01,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:08:01,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:08:01,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:08:01,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:08:01,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:08:01,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:08:01,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:08:01,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:08:01,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:08:01,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:08:01,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:08:01,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:08:01,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:08:01,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:08:01,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:08:01,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:08:01,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:08:01,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:08:01,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:08:01,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:08:01,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-25 06:08:01,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:08:01,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:08:01,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:08:01,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:08:01,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:08:01,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:08:01,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:08:01,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:08:01,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:08:01,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:08:01,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:08:01,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:08:01,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:08:01,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:08:01,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:08:01,169 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:08:01,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:08:01,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:08:01,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:08:01,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:08:01,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:08:01,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:08:01,170 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:08:01,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:08:01,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:08:01,171 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_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-25 06:08:01,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:08:01,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:08:01,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:08:01,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:08:01,470 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:08:01,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-25 06:08:01,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/data/052f03917/778464dcce95484d9547755c788c7d93/FLAG05de62ace [2021-11-25 06:08:02,479 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:08:02,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-25 06:08:02,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/data/052f03917/778464dcce95484d9547755c788c7d93/FLAG05de62ace [2021-11-25 06:08:02,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/data/052f03917/778464dcce95484d9547755c788c7d93 [2021-11-25 06:08:02,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:08:02,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:08:02,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:08:02,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:08:02,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:08:02,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:02" (1/1) ... [2021-11-25 06:08:02,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3419c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:02, skipping insertion in model container [2021-11-25 06:08:02,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:08:02" (1/1) ... [2021-11-25 06:08:02,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:08:03,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:08:04,712 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_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-25 06:08:04,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:08:04,788 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:08:05,179 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_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-25 06:08:05,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:08:05,287 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:08:05,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05 WrapperNode [2021-11-25 06:08:05,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:08:05,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:08:05,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:08:05,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:08:05,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,594 INFO L137 Inliner]: procedures = 236, calls = 1201, calls flagged for inlining = 124, calls inlined = 121, statements flattened = 3651 [2021-11-25 06:08:05,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:08:05,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:08:05,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:08:05,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:08:05,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:08:05,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:08:05,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:08:05,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:08:05,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:08:05" (1/1) ... [2021-11-25 06:08:05,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:08:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:08:05,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:08:05,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e25b6f0a-037f-44c0-ba0e-e979eed5f0a8/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:08:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-11-25 06:08:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-11-25 06:08:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 06:08:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 06:08:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2021-11-25 06:08:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2021-11-25 06:08:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 06:08:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 06:08:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 06:08:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 06:08:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 06:08:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 06:08:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2021-11-25 06:08:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2021-11-25 06:08:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-25 06:08:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-25 06:08:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-25 06:08:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-25 06:08:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2021-11-25 06:08:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2021-11-25 06:08:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2021-11-25 06:08:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2021-11-25 06:08:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 06:08:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 06:08:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 06:08:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 06:08:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2021-11-25 06:08:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2021-11-25 06:08:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2021-11-25 06:08:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2021-11-25 06:08:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2021-11-25 06:08:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2021-11-25 06:08:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-25 06:08:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-25 06:08:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-25 06:08:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-25 06:08:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 06:08:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 06:08:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2021-11-25 06:08:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2021-11-25 06:08:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2021-11-25 06:08:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2021-11-25 06:08:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2021-11-25 06:08:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2021-11-25 06:08:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2021-11-25 06:08:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2021-11-25 06:08:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2021-11-25 06:08:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2021-11-25 06:08:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:08:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2021-11-25 06:08:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2021-11-25 06:08:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2021-11-25 06:08:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2021-11-25 06:08:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:08:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-25 06:08:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-25 06:08:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:08:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 06:08:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 06:08:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 06:08:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-25 06:08:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-25 06:08:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-25 06:08:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-25 06:08:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 06:08:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 06:08:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2021-11-25 06:08:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2021-11-25 06:08:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-11-25 06:08:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-11-25 06:08:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 06:08:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 06:08:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 06:08:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2021-11-25 06:08:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2021-11-25 06:08:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2021-11-25 06:08:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2021-11-25 06:08:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 06:08:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2021-11-25 06:08:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2021-11-25 06:08:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:08:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-11-25 06:08:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-11-25 06:08:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2021-11-25 06:08:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2021-11-25 06:08:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2021-11-25 06:08:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2021-11-25 06:08:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2021-11-25 06:08:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2021-11-25 06:08:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 06:08:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 06:08:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 06:08:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 06:08:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-25 06:08:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-25 06:08:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 06:08:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 06:08:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:08:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 06:08:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 06:08:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2021-11-25 06:08:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2021-11-25 06:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-25 06:08:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-25 06:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:08:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 06:08:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 06:08:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:08:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2021-11-25 06:08:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2021-11-25 06:08:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:08:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-25 06:08:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-25 06:08:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2021-11-25 06:08:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2021-11-25 06:08:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 06:08:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2021-11-25 06:08:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2021-11-25 06:08:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-25 06:08:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-25 06:08:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-25 06:08:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-25 06:08:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2021-11-25 06:08:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2021-11-25 06:08:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-25 06:08:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-25 06:08:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2021-11-25 06:08:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2021-11-25 06:08:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 06:08:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 06:08:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2021-11-25 06:08:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2021-11-25 06:08:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2021-11-25 06:08:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2021-11-25 06:08:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 06:08:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 06:08:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 06:08:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 06:08:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-25 06:08:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-25 06:08:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:08:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:08:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:08:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 06:08:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 06:08:06,682 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:08:06,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:08:07,254 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 06:08:09,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-25 06:08:09,227 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-25 06:08:09,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-25 06:08:09,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-25 06:08:09,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-25 06:08:09,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-25 06:08:10,094 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 06:08:10,097 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 06:08:12,648 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2021-11-25 06:08:12,649 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2021-11-25 06:08:12,649 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-25 06:08:12,649 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-25 06:08:12,697 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:08:13,289 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:08:13,289 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:08:13,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:13 BoogieIcfgContainer [2021-11-25 06:08:13,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:08:13,294 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:08:13,294 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:08:13,305 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:08:13,305 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:08:13" (1/1) ... [2021-11-25 06:08:13,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:08:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 832 states and 1186 transitions. [2021-11-25 06:08:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1186 transitions. [2021-11-25 06:08:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:08:13,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:13,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 835 states and 1192 transitions. [2021-11-25 06:08:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1192 transitions. [2021-11-25 06:08:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:08:13,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:13,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 835 states and 1191 transitions. [2021-11-25 06:08:14,083 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1191 transitions. [2021-11-25 06:08:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:08:14,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:14,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 835 states and 1190 transitions. [2021-11-25 06:08:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1190 transitions. [2021-11-25 06:08:14,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:08:14,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:14,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 836 states and 1191 transitions. [2021-11-25 06:08:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1191 transitions. [2021-11-25 06:08:14,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:08:14,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:14,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 838 states and 1193 transitions. [2021-11-25 06:08:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1193 transitions. [2021-11-25 06:08:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:08:14,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:14,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 840 states and 1195 transitions. [2021-11-25 06:08:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2021-11-25 06:08:15,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:08:15,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:15,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:15,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:08:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 847 states and 1208 transitions. [2021-11-25 06:08:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1208 transitions. [2021-11-25 06:08:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:08:15,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:15,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 849 states and 1209 transitions. [2021-11-25 06:08:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1209 transitions. [2021-11-25 06:08:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:08:16,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:16,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 853 states and 1225 transitions. [2021-11-25 06:08:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1225 transitions. [2021-11-25 06:08:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:08:16,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:16,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 848 states and 1217 transitions. [2021-11-25 06:08:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1217 transitions. [2021-11-25 06:08:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:08:16,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:16,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:08:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 845 states and 1212 transitions. [2021-11-25 06:08:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1212 transitions. [2021-11-25 06:08:16,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:08:16,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:16,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 856 states and 1239 transitions. [2021-11-25 06:08:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1239 transitions. [2021-11-25 06:08:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:08:18,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:18,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:08:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 858 states and 1241 transitions. [2021-11-25 06:08:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1241 transitions. [2021-11-25 06:08:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:08:18,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:18,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:08:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 864 states and 1251 transitions. [2021-11-25 06:08:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1251 transitions. [2021-11-25 06:08:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:08:18,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:18,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:08:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:18,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 867 states and 1257 transitions. [2021-11-25 06:08:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1257 transitions. [2021-11-25 06:08:18,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:08:18,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:18,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 868 states and 1257 transitions. [2021-11-25 06:08:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1257 transitions. [2021-11-25 06:08:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 06:08:18,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:18,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:08:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 870 states and 1260 transitions. [2021-11-25 06:08:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1260 transitions. [2021-11-25 06:08:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:08:18,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:08:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 867 states and 1254 transitions. [2021-11-25 06:08:18,972 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1254 transitions. [2021-11-25 06:08:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:08:18,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:18,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:19,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 873 states and 1261 transitions. [2021-11-25 06:08:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1261 transitions. [2021-11-25 06:08:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:08:19,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:19,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:08:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 875 states and 1263 transitions. [2021-11-25 06:08:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1263 transitions. [2021-11-25 06:08:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:08:19,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:19,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:08:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 881 states and 1273 transitions. [2021-11-25 06:08:19,752 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1273 transitions. [2021-11-25 06:08:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 06:08:19,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:19,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:19,940 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 06:08:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 887 states and 1282 transitions. [2021-11-25 06:08:20,280 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1282 transitions. [2021-11-25 06:08:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 06:08:20,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:20,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 06:08:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 893 states and 1291 transitions. [2021-11-25 06:08:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1291 transitions. [2021-11-25 06:08:20,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 06:08:20,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:20,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-25 06:08:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 899 states and 1300 transitions. [2021-11-25 06:08:21,435 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1300 transitions. [2021-11-25 06:08:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 06:08:21,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:21,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 06:08:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 905 states and 1309 transitions. [2021-11-25 06:08:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1309 transitions. [2021-11-25 06:08:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-25 06:08:22,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:22,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-25 06:08:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 911 states and 1318 transitions. [2021-11-25 06:08:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1318 transitions. [2021-11-25 06:08:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-25 06:08:22,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:22,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-11-25 06:08:23,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 917 states and 1327 transitions. [2021-11-25 06:08:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1327 transitions. [2021-11-25 06:08:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-25 06:08:23,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:23,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2021-11-25 06:08:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 921 states and 1339 transitions. [2021-11-25 06:08:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1339 transitions. [2021-11-25 06:08:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-25 06:08:25,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:25,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 15 proven. 48 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2021-11-25 06:08:25,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 925 states and 1350 transitions. [2021-11-25 06:08:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1350 transitions. [2021-11-25 06:08:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-25 06:08:25,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:25,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:26,396 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 17 proven. 32 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2021-11-25 06:08:26,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 927 states and 1352 transitions. [2021-11-25 06:08:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1352 transitions. [2021-11-25 06:08:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-25 06:08:26,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:26,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 19 proven. 30 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2021-11-25 06:08:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 929 states and 1354 transitions. [2021-11-25 06:08:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1354 transitions. [2021-11-25 06:08:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-25 06:08:27,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:27,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2021-11-25 06:08:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 931 states and 1356 transitions. [2021-11-25 06:08:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1356 transitions. [2021-11-25 06:08:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-25 06:08:28,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:28,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 10 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2021-11-25 06:08:29,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:29,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 933 states and 1358 transitions. [2021-11-25 06:08:29,299 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1358 transitions. [2021-11-25 06:08:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-25 06:08:29,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:29,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 110 proven. 8 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-25 06:08:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 935 states and 1360 transitions. [2021-11-25 06:08:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1360 transitions. [2021-11-25 06:08:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-25 06:08:30,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:30,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 113 proven. 6 refuted. 0 times theorem prover too weak. 1371 trivial. 0 not checked. [2021-11-25 06:08:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 937 states and 1362 transitions. [2021-11-25 06:08:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1362 transitions. [2021-11-25 06:08:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-25 06:08:31,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:31,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 1691 trivial. 0 not checked. [2021-11-25 06:08:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 939 states and 1364 transitions. [2021-11-25 06:08:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1364 transitions. [2021-11-25 06:08:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-25 06:08:32,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:32,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 2066 trivial. 0 not checked. [2021-11-25 06:08:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 941 states and 1366 transitions. [2021-11-25 06:08:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1366 transitions. [2021-11-25 06:08:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-25 06:08:33,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:33,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:08:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2546 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2021-11-25 06:08:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:08:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 943 states and 1368 transitions. [2021-11-25 06:08:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1368 transitions. [2021-11-25 06:08:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-25 06:08:35,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:08:35,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:08:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:10:24,361 WARN L227 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 18 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:10:44,395 WARN L227 SmtUtils]: Spent 13.42s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:11:04,612 WARN L227 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:11:21,176 WARN L227 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:16:29,009 WARN L227 SmtUtils]: Spent 2.40m on a formula simplification that was a NOOP. DAG size: 159 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 06:16:55,223 WARN L227 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 18 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:17:13,161 WARN L227 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:17:30,338 WARN L227 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:17:51,886 WARN L227 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-25 06:18:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 775 proven. 885 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked.