./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:21:25,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:21:25,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:21:25,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:21:25,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:21:25,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:21:25,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:21:25,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:21:25,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:21:25,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:21:25,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:21:25,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:21:25,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:21:25,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:21:25,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:21:25,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:21:25,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:21:25,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:21:25,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:21:25,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:21:25,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:21:25,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:21:25,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:21:25,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:21:25,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:21:25,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:21:25,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:21:25,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:21:25,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:21:25,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:21:25,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:21:25,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:21:25,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:21:25,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:21:25,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:21:25,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:21:25,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:21:25,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:21:25,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:21:25,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:21:25,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:21:25,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 01:21:25,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:21:25,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:21:25,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:21:25,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:21:25,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:21:25,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:21:25,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:21:25,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:21:25,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:21:25,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:21:25,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:21:25,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:21:25,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:21:25,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:21:25,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:21:25,340 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:21:25,340 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:21:25,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:21:25,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:21:25,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:21:25,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:21:25,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:21:25,343 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:21:25,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:21:25,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:21:25,351 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_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 [2021-11-23 01:21:25,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:21:25,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:21:25,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:21:25,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:21:25,645 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:21:25,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-11-23 01:21:25,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/data/28971811c/bbdc0615c96843ab994977344c9eac00/FLAG75c0781d0 [2021-11-23 01:21:26,654 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:21:26,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-11-23 01:21:26,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/data/28971811c/bbdc0615c96843ab994977344c9eac00/FLAG75c0781d0 [2021-11-23 01:21:27,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/data/28971811c/bbdc0615c96843ab994977344c9eac00 [2021-11-23 01:21:27,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:21:27,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:21:27,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:21:27,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:21:27,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:21:27,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:27" (1/1) ... [2021-11-23 01:21:27,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0ecf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:27, skipping insertion in model container [2021-11-23 01:21:27,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:27" (1/1) ... [2021-11-23 01:21:27,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:21:27,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:21:29,175 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_b7fe2b25-67c6-4bf2-bf77-047223e475fb/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2021-11-23 01:21:29,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:21:29,687 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:21:30,039 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_b7fe2b25-67c6-4bf2-bf77-047223e475fb/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2021-11-23 01:21:30,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:21:30,260 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:21:30,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30 WrapperNode [2021-11-23 01:21:30,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:21:30,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:21:30,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:21:30,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:21:30,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,528 INFO L137 Inliner]: procedures = 229, calls = 1979, calls flagged for inlining = 98, calls inlined = 54, statements flattened = 3316 [2021-11-23 01:21:30,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:21:30,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:21:30,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:21:30,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:21:30,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:21:30,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:21:30,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:21:30,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:21:30,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:30" (1/1) ... [2021-11-23 01:21:30,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:21:30,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:21:30,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:21:30,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:21:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2021-11-23 01:21:30,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2021-11-23 01:21:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:21:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2021-11-23 01:21:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2021-11-23 01:21:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:21:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-23 01:21:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-23 01:21:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2021-11-23 01:21:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2021-11-23 01:21:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 01:21:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 01:21:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 01:21:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 01:21:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2021-11-23 01:21:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2021-11-23 01:21:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:21:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:21:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2021-11-23 01:21:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2021-11-23 01:21:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 01:21:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 01:21:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-11-23 01:21:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-11-23 01:21:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2021-11-23 01:21:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2021-11-23 01:21:30,879 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2021-11-23 01:21:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2021-11-23 01:21:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 01:21:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 01:21:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 01:21:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 01:21:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2021-11-23 01:21:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2021-11-23 01:21:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2021-11-23 01:21:30,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2021-11-23 01:21:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:21:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 01:21:30,881 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 01:21:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2021-11-23 01:21:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2021-11-23 01:21:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:21:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 01:21:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 01:21:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2021-11-23 01:21:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2021-11-23 01:21:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2021-11-23 01:21:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2021-11-23 01:21:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 01:21:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 01:21:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:21:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:21:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-11-23 01:21:30,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-11-23 01:21:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 01:21:30,884 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 01:21:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2021-11-23 01:21:30,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2021-11-23 01:21:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2021-11-23 01:21:30,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2021-11-23 01:21:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 01:21:30,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 01:21:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 01:21:30,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 01:21:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 01:21:30,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 01:21:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-23 01:21:30,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-23 01:21:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 01:21:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 01:21:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 01:21:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 01:21:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2021-11-23 01:21:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2021-11-23 01:21:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 01:21:30,888 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 01:21:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:21:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2021-11-23 01:21:30,888 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2021-11-23 01:21:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 01:21:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 01:21:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:21:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:21:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2021-11-23 01:21:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2021-11-23 01:21:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2021-11-23 01:21:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2021-11-23 01:21:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2021-11-23 01:21:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2021-11-23 01:21:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 01:21:30,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 01:21:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:21:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 01:21:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 01:21:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-11-23 01:21:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-11-23 01:21:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2021-11-23 01:21:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2021-11-23 01:21:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2021-11-23 01:21:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2021-11-23 01:21:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_exit [2021-11-23 01:21:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_exit [2021-11-23 01:21:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2021-11-23 01:21:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2021-11-23 01:21:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 01:21:30,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 01:21:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:21:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 01:21:30,893 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 01:21:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:21:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2021-11-23 01:21:30,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2021-11-23 01:21:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:21:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 01:21:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-23 01:21:30,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-23 01:21:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2021-11-23 01:21:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2021-11-23 01:21:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 01:21:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 01:21:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 01:21:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 01:21:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2021-11-23 01:21:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2021-11-23 01:21:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_init [2021-11-23 01:21:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_init [2021-11-23 01:21:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2021-11-23 01:21:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2021-11-23 01:21:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 01:21:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 01:21:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-23 01:21:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-23 01:21:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2021-11-23 01:21:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2021-11-23 01:21:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2021-11-23 01:21:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2021-11-23 01:21:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2021-11-23 01:21:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2021-11-23 01:21:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:21:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-11-23 01:21:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-11-23 01:21:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:21:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:21:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 01:21:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 01:21:31,504 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:21:31,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:21:31,998 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:32,015 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-23 01:21:32,015 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-23 01:21:32,061 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:32,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-23 01:21:32,066 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-23 01:21:42,585 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:42,597 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:42,599 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:42,602 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:42,603 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:42,606 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:42,607 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:43,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume !false; [2021-11-23 01:21:43,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume false; [2021-11-23 01:21:43,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-11-23 01:21:43,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-11-23 01:21:43,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume false; [2021-11-23 01:21:43,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume !false; [2021-11-23 01:21:43,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2021-11-23 01:21:43,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2021-11-23 01:21:43,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-11-23 01:21:43,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-11-23 01:21:43,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-23 01:21:43,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false;call ULTIMATE.dealloc(~#backend~0#1.base, ~#backend~0#1.offset);havoc ~#backend~0#1.base, ~#backend~0#1.offset;call ULTIMATE.dealloc(~#features~0#1.base, ~#features~0#1.offset);havoc ~#features~0#1.base, ~#features~0#1.offset; [2021-11-23 01:21:43,704 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##359: assume false; [2021-11-23 01:21:43,705 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume !false; [2021-11-23 01:21:43,918 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 01:21:44,732 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2021-11-23 01:21:44,733 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2021-11-23 01:21:44,798 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:21:45,434 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:21:45,434 INFO L301 CfgBuilder]: Removed 40 assume(true) statements. [2021-11-23 01:21:45,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:45 BoogieIcfgContainer [2021-11-23 01:21:45,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:21:45,441 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:21:45,441 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:21:45,453 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:21:45,454 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:45" (1/1) ... [2021-11-23 01:21:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:21:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 869 states and 1267 transitions. [2021-11-23 01:21:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1267 transitions. [2021-11-23 01:21:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:21:45,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:45,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 870 states and 1266 transitions. [2021-11-23 01:21:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1266 transitions. [2021-11-23 01:21:46,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:21:46,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:46,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 873 states and 1269 transitions. [2021-11-23 01:21:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1269 transitions. [2021-11-23 01:21:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:21:46,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:46,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 873 states and 1268 transitions. [2021-11-23 01:21:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1268 transitions. [2021-11-23 01:21:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:47,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 877 states and 1282 transitions. [2021-11-23 01:21:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1282 transitions. [2021-11-23 01:21:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:47,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 881 states and 1296 transitions. [2021-11-23 01:21:47,551 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1296 transitions. [2021-11-23 01:21:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:21:47,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 886 states and 1309 transitions. [2021-11-23 01:21:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1309 transitions. [2021-11-23 01:21:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:21:47,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 887 states and 1309 transitions. [2021-11-23 01:21:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1309 transitions. [2021-11-23 01:21:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:21:47,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:47,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 891 states and 1316 transitions. [2021-11-23 01:21:48,254 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1316 transitions. [2021-11-23 01:21:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:21:48,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 895 states and 1323 transitions. [2021-11-23 01:21:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1323 transitions. [2021-11-23 01:21:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:21:48,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 897 states and 1326 transitions. [2021-11-23 01:21:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1326 transitions. [2021-11-23 01:21:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:21:48,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 899 states and 1329 transitions. [2021-11-23 01:21:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1329 transitions. [2021-11-23 01:21:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:21:48,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:48,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 901 states and 1331 transitions. [2021-11-23 01:21:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1331 transitions. [2021-11-23 01:21:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:21:48,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 903 states and 1334 transitions. [2021-11-23 01:21:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1334 transitions. [2021-11-23 01:21:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:21:49,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:49,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 907 states and 1338 transitions. [2021-11-23 01:21:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1338 transitions. [2021-11-23 01:21:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:21:49,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:49,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 911 states and 1342 transitions. [2021-11-23 01:21:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1342 transitions. [2021-11-23 01:21:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:21:49,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:49,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 913 states and 1344 transitions. [2021-11-23 01:21:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1344 transitions. [2021-11-23 01:21:49,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:21:49,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:49,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 915 states and 1346 transitions. [2021-11-23 01:21:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1346 transitions. [2021-11-23 01:21:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:21:49,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:49,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 917 states and 1348 transitions. [2021-11-23 01:21:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1348 transitions. [2021-11-23 01:21:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:21:50,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:50,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 919 states and 1350 transitions. [2021-11-23 01:21:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1350 transitions. [2021-11-23 01:21:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:21:50,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:50,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:50,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 923 states and 1358 transitions. [2021-11-23 01:21:50,801 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1358 transitions. [2021-11-23 01:21:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:21:50,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:50,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 925 states and 1360 transitions. [2021-11-23 01:21:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1360 transitions. [2021-11-23 01:21:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:21:51,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:51,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:21:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 927 states and 1362 transitions. [2021-11-23 01:21:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1362 transitions. [2021-11-23 01:21:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:21:51,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:51,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 927 states and 1359 transitions. [2021-11-23 01:21:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1359 transitions. [2021-11-23 01:21:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:21:51,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:51,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 929 states and 1363 transitions. [2021-11-23 01:21:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1363 transitions. [2021-11-23 01:21:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:21:51,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:51,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:21:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 932 states and 1370 transitions. [2021-11-23 01:21:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1370 transitions. [2021-11-23 01:21:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:21:52,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:52,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:21:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 935 states and 1377 transitions. [2021-11-23 01:21:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1377 transitions. [2021-11-23 01:21:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:21:52,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:52,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 941 states and 1397 transitions. [2021-11-23 01:21:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1397 transitions. [2021-11-23 01:21:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:21:53,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:53,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 943 states and 1399 transitions. [2021-11-23 01:21:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1399 transitions. [2021-11-23 01:21:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:21:54,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 945 states and 1402 transitions. [2021-11-23 01:21:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1402 transitions. [2021-11-23 01:21:54,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:21:54,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 947 states and 1406 transitions. [2021-11-23 01:21:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1406 transitions. [2021-11-23 01:21:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:21:54,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 949 states and 1409 transitions. [2021-11-23 01:21:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1409 transitions. [2021-11-23 01:21:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:21:54,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:54,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:55,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 951 states and 1411 transitions. [2021-11-23 01:21:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1411 transitions. [2021-11-23 01:21:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 01:21:55,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 953 states and 1415 transitions. [2021-11-23 01:21:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1415 transitions. [2021-11-23 01:21:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:21:55,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 955 states and 1418 transitions. [2021-11-23 01:21:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1418 transitions. [2021-11-23 01:21:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:21:55,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 957 states and 1421 transitions. [2021-11-23 01:21:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1421 transitions. [2021-11-23 01:21:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:21:55,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 959 states and 1423 transitions. [2021-11-23 01:21:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1423 transitions. [2021-11-23 01:21:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:21:55,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:55,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 961 states and 1426 transitions. [2021-11-23 01:21:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1426 transitions. [2021-11-23 01:21:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:21:56,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 963 states and 1429 transitions. [2021-11-23 01:21:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1429 transitions. [2021-11-23 01:21:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:21:56,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 965 states and 1431 transitions. [2021-11-23 01:21:56,629 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1431 transitions. [2021-11-23 01:21:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:21:56,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 967 states and 1433 transitions. [2021-11-23 01:21:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1433 transitions. [2021-11-23 01:21:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:21:56,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:56,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 969 states and 1436 transitions. [2021-11-23 01:21:57,093 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1436 transitions. [2021-11-23 01:21:57,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:21:57,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:57,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:21:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 971 states and 1438 transitions. [2021-11-23 01:21:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1438 transitions. [2021-11-23 01:21:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-23 01:21:57,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:57,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2021-11-23 01:21:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 971 states and 1429 transitions. [2021-11-23 01:21:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1429 transitions. [2021-11-23 01:21:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-23 01:21:57,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:57,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1895 trivial. 0 not checked. [2021-11-23 01:21:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 975 states and 1433 transitions. [2021-11-23 01:21:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1433 transitions. [2021-11-23 01:21:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-23 01:21:58,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:58,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2021-11-23 01:21:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 976 states and 1434 transitions. [2021-11-23 01:21:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1434 transitions. [2021-11-23 01:21:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-11-23 01:21:58,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:58,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-23 01:21:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:59,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 931 states and 1358 transitions. [2021-11-23 01:21:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1358 transitions. [2021-11-23 01:21:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2021-11-23 01:21:59,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:59,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1895 trivial. 0 not checked. [2021-11-23 01:21:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 935 states and 1362 transitions. [2021-11-23 01:21:59,879 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1362 transitions. [2021-11-23 01:21:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-11-23 01:21:59,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:59,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1906 trivial. 0 not checked. [2021-11-23 01:22:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:00,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 936 states and 1363 transitions. [2021-11-23 01:22:00,269 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1363 transitions. [2021-11-23 01:22:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2021-11-23 01:22:00,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:00,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-23 01:22:00,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 888 states and 1285 transitions. [2021-11-23 01:22:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1285 transitions. [2021-11-23 01:22:00,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:22:00,709 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2021-11-23 01:22:00,726 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:22:01,416 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,421 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,422 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,423 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,423 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,423 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,423 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,423 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,423 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,424 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,425 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,425 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,425 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,425 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,425 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,426 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,427 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,436 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,437 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,438 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,440 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,442 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,443 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:22:01,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:22:01 ImpRootNode [2021-11-23 01:22:01,444 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:22:01,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:22:01,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:22:01,445 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:22:01,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:45" (3/4) ... [2021-11-23 01:22:01,448 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:22:01,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2021-11-23 01:22:01,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_fget [2021-11-23 01:22:01,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_poll_init [2021-11-23 01:22:01,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2021-11-23 01:22:01,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_poll_stop [2021-11-23 01:22:01,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2021-11-23 01:22:01,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kthread_stop [2021-11-23 01:22:01,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vq_access_ok [2021-11-23 01:22:01,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memory_access_ok [2021-11-23 01:22:01,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_work_flush [2021-11-23 01:22:01,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure wake_up_process [2021-11-23 01:22:01,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irq [2021-11-23 01:22:01,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vq_memory_access_ok [2021-11-23 01:22:01,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure current_thread_info [2021-11-23 01:22:01,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_dev_check_owner [2021-11-23 01:22:01,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_work_seq_done [2021-11-23 01:22:01,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_work_init [2021-11-23 01:22:01,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_init [2021-11-23 01:22:01,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure debug_lockdep_rcu_enabled [2021-11-23 01:22:01,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_current [2021-11-23 01:22:01,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_release [2021-11-23 01:22:01,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2021-11-23 01:22:01,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_vq_reset [2021-11-23 01:22:01,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_ctx_fileget [2021-11-23 01:22:01,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-11-23 01:22:01,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-23 01:22:01,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_flush [2021-11-23 01:22:01,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_work_queue [2021-11-23 01:22:01,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_stop [2021-11-23 01:22:01,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vq_log_access_ok [2021-11-23 01:22:01,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2021-11-23 01:22:01,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_dev_cleanup [2021-11-23 01:22:01,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-11-23 01:22:01,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2021-11-23 01:22:01,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_flush_vq [2021-11-23 01:22:01,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_stop_vq [2021-11-23 01:22:01,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-23 01:22:01,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2021-11-23 01:22:01,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 01:22:01,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_ctx_put [2021-11-23 01:22:01,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_is_held [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_ioctl [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_disable_vq [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_poll_flush [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fput [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2021-11-23 01:22:01,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_exit [2021-11-23 01:22:01,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mmput [2021-11-23 01:22:01,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure log_access_ok [2021-11-23 01:22:01,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2021-11-23 01:22:01,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2021-11-23 01:22:01,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lockdep_rcu_dereference [2021-11-23 01:22:01,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tx_poll_stop [2021-11-23 01:22:01,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tx_poll_start [2021-11-23 01:22:01,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_poll_queue [2021-11-23 01:22:01,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_net_open [2021-11-23 01:22:01,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule [2021-11-23 01:22:01,464 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_poll_start [2021-11-23 01:22:01,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure vhost_has_feature [2021-11-23 01:22:01,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2021-11-23 01:22:01,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ERR_PTR [2021-11-23 01:22:01,465 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2021-11-23 01:22:01,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 554 nodes and edges [2021-11-23 01:22:01,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 164 nodes and edges [2021-11-23 01:22:01,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2021-11-23 01:22:01,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-23 01:22:01,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:22:01,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:22:01,566 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:22:01,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:22:02,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:22:02,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:22:02,056 INFO L158 Benchmark]: Toolchain (without parser) took 34971.51ms. Allocated memory was 121.6MB in the beginning and 499.1MB in the end (delta: 377.5MB). Free memory was 74.7MB in the beginning and 168.8MB in the end (delta: -94.1MB). Peak memory consumption was 284.0MB. Max. memory is 16.1GB. [2021-11-23 01:22:02,057 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 81.8MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:22:02,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3175.16ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 74.4MB in the beginning and 83.7MB in the end (delta: -9.3MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2021-11-23 01:22:02,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.48ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 64.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 01:22:02,058 INFO L158 Benchmark]: Boogie Preprocessor took 267.69ms. Allocated memory is still 163.6MB. Free memory was 64.8MB in the beginning and 79.0MB in the end (delta: -14.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 01:22:02,058 INFO L158 Benchmark]: RCFGBuilder took 14641.67ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 79.0MB in the beginning and 242.4MB in the end (delta: -163.4MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2021-11-23 01:22:02,059 INFO L158 Benchmark]: CodeCheck took 16002.70ms. Allocated memory was 343.9MB in the beginning and 499.1MB in the end (delta: 155.2MB). Free memory was 242.4MB in the beginning and 293.6MB in the end (delta: -51.2MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. [2021-11-23 01:22:02,059 INFO L158 Benchmark]: Witness Printer took 611.01ms. Allocated memory is still 499.1MB. Free memory was 293.6MB in the beginning and 168.8MB in the end (delta: 124.8MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2021-11-23 01:22:02,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 65 procedures, 869 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 50, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22292 SdHoareTripleChecker+Valid, 36.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8297 mSDsluCounter, 21632 SdHoareTripleChecker+Invalid, 32.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13327 mSDsCounter, 2488 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9529 IncrementalHoareTripleChecker+Invalid, 12017 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2488 mSolverCounterUnsat, 10575 mSDtfsCounter, 9529 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32635 GetRequests, 32477 SyntacticMatches, 80 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2377 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.8s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 5824 NumberOfCodeBlocks, 5824 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 5775 ConstructedInterpolants, 0 QuantifiedInterpolants, 7181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 40 PerfectInterpolantSequences, 12830/12884 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11805]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6342]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13422]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6705]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14085]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7087]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8225]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13074]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13330]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6235]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7016]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6983]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6706]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13080]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7414]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7015]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13983]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7088]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13284]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 81.8MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3175.16ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 74.4MB in the beginning and 83.7MB in the end (delta: -9.3MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 267.48ms. Allocated memory is still 163.6MB. Free memory was 83.7MB in the beginning and 64.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 267.69ms. Allocated memory is still 163.6MB. Free memory was 64.8MB in the beginning and 79.0MB in the end (delta: -14.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * RCFGBuilder took 14641.67ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 79.0MB in the beginning and 242.4MB in the end (delta: -163.4MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. * CodeCheck took 16002.70ms. Allocated memory was 343.9MB in the beginning and 499.1MB in the end (delta: 155.2MB). Free memory was 242.4MB in the beginning and 293.6MB in the end (delta: -51.2MB). Peak memory consumption was 103.0MB. Max. memory is 16.1GB. * Witness Printer took 611.01ms. Allocated memory is still 499.1MB. Free memory was 293.6MB in the beginning and 168.8MB in the end (delta: 124.8MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:22:02,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7fe2b25-67c6-4bf2-bf77-047223e475fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE