./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/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_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:02:46,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:02:46,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:02:46,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:02:46,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:02:46,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:02:46,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:02:46,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:02:46,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:02:46,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:02:46,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:02:46,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:02:46,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:02:47,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:02:47,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:02:47,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:02:47,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:02:47,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:02:47,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:02:47,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:02:47,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:02:47,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:02:47,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:02:47,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:02:47,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:02:47,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:02:47,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:02:47,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:02:47,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:02:47,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:02:47,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:02:47,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:02:47,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:02:47,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:02:47,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:02:47,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:02:47,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:02:47,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:02:47,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:02:47,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:02:47,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:02:47,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-21 06:02:47,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:02:47,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:02:47,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:02:47,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:02:47,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:02:47,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:02:47,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:02:47,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:02:47,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:02:47,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:02:47,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:02:47,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:02:47,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:02:47,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:02:47,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:02:47,076 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:02:47,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:02:47,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:02:47,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:02:47,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:02:47,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:02:47,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:02:47,077 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:02:47,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:02:47,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:02:47,078 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_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-21 06:02:47,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:02:47,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:02:47,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:02:47,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:02:47,332 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:02:47,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-21 06:02:47,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/data/00b9938ee/4e3fd2c2973147b1ac73d202e0fedfa2/FLAG2fb70eb7a [2021-11-21 06:02:48,152 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:02:48,152 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-21 06:02:48,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/data/00b9938ee/4e3fd2c2973147b1ac73d202e0fedfa2/FLAG2fb70eb7a [2021-11-21 06:02:48,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/data/00b9938ee/4e3fd2c2973147b1ac73d202e0fedfa2 [2021-11-21 06:02:48,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:02:48,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:02:48,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:02:48,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:02:48,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:02:48,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:02:48" (1/1) ... [2021-11-21 06:02:48,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4996cffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:48, skipping insertion in model container [2021-11-21 06:02:48,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:02:48" (1/1) ... [2021-11-21 06:02:48,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:02:48,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:02:50,038 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_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-21 06:02:50,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:02:50,122 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:02:50,457 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_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-21 06:02:50,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:02:50,560 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:02:50,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50 WrapperNode [2021-11-21 06:02:50,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:02:50,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:02:50,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:02:50,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:02:50,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:50,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:50,820 INFO L137 Inliner]: procedures = 236, calls = 1201, calls flagged for inlining = 124, calls inlined = 121, statements flattened = 3651 [2021-11-21 06:02:50,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:02:50,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:02:50,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:02:50,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:02:50,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:50,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:50,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:50,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:51,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:51,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:51,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:51,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:02:51,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:02:51,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:02:51,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:02:51,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:02:50" (1/1) ... [2021-11-21 06:02:51,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:02:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:02:51,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:02:51,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_519dfb9c-7866-4286-853b-8e7d8c1a4c8e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:02:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-11-21 06:02:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-11-21 06:02:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 06:02:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 06:02:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure vfs_fsync [2021-11-21 06:02:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vfs_fsync [2021-11-21 06:02:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-21 06:02:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-21 06:02:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-21 06:02:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-21 06:02:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 06:02:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 06:02:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2021-11-21 06:02:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2021-11-21 06:02:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-21 06:02:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-21 06:02:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-21 06:02:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-21 06:02:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_xor [2021-11-21 06:02:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_xor [2021-11-21 06:02:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure invalidate_bdev [2021-11-21 06:02:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure invalidate_bdev [2021-11-21 06:02:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-21 06:02:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-21 06:02:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 06:02:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 06:02:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure huge_encode_dev [2021-11-21 06:02:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure huge_encode_dev [2021-11-21 06:02:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure lo_do_transfer [2021-11-21 06:02:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_do_transfer [2021-11-21 06:02:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure loop_sysfs_exit [2021-11-21 06:02:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_sysfs_exit [2021-11-21 06:02:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-21 06:02:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-21 06:02:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-21 06:02:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-21 06:02:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:02:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:02:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure loop_alloc [2021-11-21 06:02:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_alloc [2021-11-21 06:02:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure loop_make_request [2021-11-21 06:02:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_make_request [2021-11-21 06:02:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure __do_lo_send_write [2021-11-21 06:02:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_lo_send_write [2021-11-21 06:02:51,223 INFO L130 BoogieDeclarations]: Found specification of procedure loop_get_status [2021-11-21 06:02:51,223 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_get_status [2021-11-21 06:02:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure loop_clr_fd [2021-11-21 06:02:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_clr_fd [2021-11-21 06:02:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:02:51,224 INFO L130 BoogieDeclarations]: Found specification of procedure figure_loop_size [2021-11-21 06:02:51,224 INFO L138 BoogieDeclarations]: Found implementation of procedure figure_loop_size [2021-11-21 06:02:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_by_bdev [2021-11-21 06:02:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_by_bdev [2021-11-21 06:02:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:02:51,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-21 06:02:51,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-21 06:02:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:02:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 06:02:51,226 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 06:02:51,226 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 06:02:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-21 06:02:51,227 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-21 06:02:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-21 06:02:51,229 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-21 06:02:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 06:02:51,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 06:02:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_capacity [2021-11-21 06:02:51,229 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_capacity [2021-11-21 06:02:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-11-21 06:02:51,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-11-21 06:02:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 06:02:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 06:02:51,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 06:02:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure loop_free [2021-11-21 06:02:51,231 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_free [2021-11-21 06:02:51,231 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_none [2021-11-21 06:02:51,232 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_none [2021-11-21 06:02:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 06:02:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure bd_set_size [2021-11-21 06:02:51,232 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_set_size [2021-11-21 06:02:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:02:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-11-21 06:02:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-11-21 06:02:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_set_gfp_mask [2021-11-21 06:02:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_set_gfp_mask [2021-11-21 06:02:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure xor_init [2021-11-21 06:02:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure xor_init [2021-11-21 06:02:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2021-11-21 06:02:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2021-11-21 06:02:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 06:02:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 06:02:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 06:02:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 06:02:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-21 06:02:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-21 06:02:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-21 06:02:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-21 06:02:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:02:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-21 06:02:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-21 06:02:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure __kmap_atomic [2021-11-21 06:02:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmap_atomic [2021-11-21 06:02:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-21 06:02:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-21 06:02:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:02:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-21 06:02:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-21 06:02:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:02:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_loop_size [2021-11-21 06:02:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_loop_size [2021-11-21 06:02:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:02:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-21 06:02:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-21 06:02:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure loop_set_status [2021-11-21 06:02:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_set_status [2021-11-21 06:02:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 06:02:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure lo_ioctl [2021-11-21 06:02:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure lo_ioctl [2021-11-21 06:02:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-21 06:02:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-21 06:02:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-21 06:02:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-21 06:02:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure loop_release_xfer [2021-11-21 06:02:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_release_xfer [2021-11-21 06:02:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-21 06:02:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-21 06:02:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2021-11-21 06:02:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2021-11-21 06:02:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 06:02:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 06:02:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure loop_switch [2021-11-21 06:02:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure loop_switch [2021-11-21 06:02:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure mapping_gfp_mask [2021-11-21 06:02:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mapping_gfp_mask [2021-11-21 06:02:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 06:02:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 06:02:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-21 06:02:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-21 06:02:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-21 06:02:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-21 06:02:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:02:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:02:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:02:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 06:02:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 06:02:51,918 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:02:51,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:02:52,635 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 06:02:54,432 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-21 06:02:54,433 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-21 06:02:54,456 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-21 06:02:54,456 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-21 06:02:54,870 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-21 06:02:54,870 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-21 06:02:55,259 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 06:02:55,261 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-21 06:02:57,822 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##72: assume !false; [2021-11-21 06:02:57,822 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume false; [2021-11-21 06:02:57,822 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-21 06:02:57,823 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-21 06:02:57,884 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:02:58,498 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:02:58,498 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 06:02:58,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:02:58 BoogieIcfgContainer [2021-11-21 06:02:58,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:02:58,504 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:02:58,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:02:58,514 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:02:58,514 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:02:58" (1/1) ... [2021-11-21 06:02:58,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:02:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 832 states and 1186 transitions. [2021-11-21 06:02:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1186 transitions. [2021-11-21 06:02:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:02:58,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:58,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 835 states and 1192 transitions. [2021-11-21 06:02:59,189 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1192 transitions. [2021-11-21 06:02:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:02:59,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:59,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:59,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 835 states and 1191 transitions. [2021-11-21 06:02:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1191 transitions. [2021-11-21 06:02:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:02:59,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:59,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 835 states and 1190 transitions. [2021-11-21 06:02:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1190 transitions. [2021-11-21 06:02:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:02:59,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:59,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:59,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 836 states and 1191 transitions. [2021-11-21 06:02:59,718 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1191 transitions. [2021-11-21 06:02:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:02:59,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:59,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:59,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:03:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:00,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 838 states and 1193 transitions. [2021-11-21 06:03:00,070 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1193 transitions. [2021-11-21 06:03:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 06:03:00,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:00,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:03:00,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:00,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 840 states and 1195 transitions. [2021-11-21 06:03:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1195 transitions. [2021-11-21 06:03:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:03:00,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:00,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:03:00,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 847 states and 1208 transitions. [2021-11-21 06:03:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1208 transitions. [2021-11-21 06:03:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:03:00,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:00,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 849 states and 1209 transitions. [2021-11-21 06:03:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1209 transitions. [2021-11-21 06:03:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:03:01,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:01,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 853 states and 1225 transitions. [2021-11-21 06:03:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1225 transitions. [2021-11-21 06:03:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:03:01,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:01,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:01,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 848 states and 1217 transitions. [2021-11-21 06:03:01,818 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1217 transitions. [2021-11-21 06:03:01,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:03:01,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:01,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:01,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 845 states and 1212 transitions. [2021-11-21 06:03:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1212 transitions. [2021-11-21 06:03:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:03:01,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:01,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 856 states and 1239 transitions. [2021-11-21 06:03:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1239 transitions. [2021-11-21 06:03:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:03:03,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:03,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 858 states and 1241 transitions. [2021-11-21 06:03:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1241 transitions. [2021-11-21 06:03:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:03:03,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:03,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:03:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 864 states and 1251 transitions. [2021-11-21 06:03:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1251 transitions. [2021-11-21 06:03:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:03:03,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:03,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:03:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 867 states and 1257 transitions. [2021-11-21 06:03:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1257 transitions. [2021-11-21 06:03:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:03:03,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:03,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 868 states and 1257 transitions. [2021-11-21 06:03:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1257 transitions. [2021-11-21 06:03:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 06:03:03,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:03,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:03:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 870 states and 1260 transitions. [2021-11-21 06:03:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1260 transitions. [2021-11-21 06:03:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:03:04,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:04,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:03:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 867 states and 1254 transitions. [2021-11-21 06:03:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1254 transitions. [2021-11-21 06:03:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:03:04,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:04,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 873 states and 1261 transitions. [2021-11-21 06:03:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1261 transitions. [2021-11-21 06:03:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 06:03:04,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:04,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:03:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 875 states and 1263 transitions. [2021-11-21 06:03:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1263 transitions. [2021-11-21 06:03:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:03:04,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:04,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:03:04,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 881 states and 1273 transitions. [2021-11-21 06:03:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1273 transitions. [2021-11-21 06:03:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 06:03:04,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:04,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 06:03:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 887 states and 1282 transitions. [2021-11-21 06:03:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1282 transitions. [2021-11-21 06:03:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 06:03:05,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:05,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-21 06:03:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 893 states and 1291 transitions. [2021-11-21 06:03:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1291 transitions. [2021-11-21 06:03:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-21 06:03:05,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:05,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-11-21 06:03:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 899 states and 1300 transitions. [2021-11-21 06:03:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1300 transitions. [2021-11-21 06:03:06,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 06:03:06,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:06,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:03:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 905 states and 1309 transitions. [2021-11-21 06:03:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1309 transitions. [2021-11-21 06:03:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-21 06:03:07,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:07,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-11-21 06:03:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 911 states and 1318 transitions. [2021-11-21 06:03:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1318 transitions. [2021-11-21 06:03:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-21 06:03:07,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:07,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-11-21 06:03:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 917 states and 1327 transitions. [2021-11-21 06:03:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1327 transitions. [2021-11-21 06:03:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-21 06:03:08,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:08,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2021-11-21 06:03:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 921 states and 1339 transitions. [2021-11-21 06:03:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1339 transitions. [2021-11-21 06:03:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-21 06:03:09,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:09,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 15 proven. 48 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2021-11-21 06:03:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 925 states and 1350 transitions. [2021-11-21 06:03:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1350 transitions. [2021-11-21 06:03:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-11-21 06:03:10,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:10,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 17 proven. 32 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2021-11-21 06:03:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 927 states and 1352 transitions. [2021-11-21 06:03:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1352 transitions. [2021-11-21 06:03:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-21 06:03:11,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:11,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 19 proven. 30 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-11-21 06:03:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 929 states and 1354 transitions. [2021-11-21 06:03:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1354 transitions. [2021-11-21 06:03:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-21 06:03:11,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:11,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 68 proven. 12 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-21 06:03:12,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 931 states and 1356 transitions. [2021-11-21 06:03:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1356 transitions. [2021-11-21 06:03:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-21 06:03:12,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:12,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 10 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2021-11-21 06:03:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 933 states and 1358 transitions. [2021-11-21 06:03:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1358 transitions. [2021-11-21 06:03:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-21 06:03:13,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:13,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 110 proven. 8 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-21 06:03:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 935 states and 1360 transitions. [2021-11-21 06:03:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1360 transitions. [2021-11-21 06:03:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-21 06:03:14,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:14,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 113 proven. 6 refuted. 0 times theorem prover too weak. 1371 trivial. 0 not checked. [2021-11-21 06:03:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 937 states and 1362 transitions. [2021-11-21 06:03:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1362 transitions. [2021-11-21 06:03:15,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-21 06:03:15,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:15,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 1691 trivial. 0 not checked. [2021-11-21 06:03:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 939 states and 1364 transitions. [2021-11-21 06:03:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1364 transitions. [2021-11-21 06:03:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-11-21 06:03:16,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:16,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2151 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 2066 trivial. 0 not checked. [2021-11-21 06:03:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 941 states and 1366 transitions. [2021-11-21 06:03:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1366 transitions. [2021-11-21 06:03:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-21 06:03:18,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:18,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2546 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2021-11-21 06:03:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 943 states and 1368 transitions. [2021-11-21 06:03:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1368 transitions. [2021-11-21 06:03:19,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-21 06:03:19,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:19,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:29,953 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 06:14:01,640 WARN L227 SmtUtils]: Spent 3.51m on a formula simplification that was a NOOP. DAG size: 139 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 06:15:12,353 WARN L227 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 9 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 06:15:21,557 WARN L227 SmtUtils]: Spent 9.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 06:15:35,417 WARN L227 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 16 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 06:15:56,674 WARN L227 SmtUtils]: Spent 7.74s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 06:16:02,955 WARN L227 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 06:16:14,878 WARN L227 SmtUtils]: Spent 11.92s on a formula simplification that was a NOOP. DAG size: 5 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 06:16:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 628 proven. 1122 refuted. 0 times theorem prover too weak. 1234 trivial. 0 not checked.