./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/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_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:38:29,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:29,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:29,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:29,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:29,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:29,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:29,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:29,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:29,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:29,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:29,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:29,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:29,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:29,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:29,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:29,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:29,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:29,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:29,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:29,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:29,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:29,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:29,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:29,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:29,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:29,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:29,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:29,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:29,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:29,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:29,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:29,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:29,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:29,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:29,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:29,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:29,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:29,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:29,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:29,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:29,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:38:29,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:29,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:29,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:29,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:29,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:29,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:29,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:29,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:29,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:29,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:29,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:29,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:29,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:29,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:29,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:29,608 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:29,608 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:29,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:29,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:29,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:29,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:29,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:29,610 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:29,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:29,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:29,611 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_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 [2022-10-17 16:38:29,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:29,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:29,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:29,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:29,954 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:29,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2022-10-17 16:38:30,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/data/ac40ce537/9a0abb702e6e4ce2999df69fb1e0fd03/FLAG0e5e95e94 [2022-10-17 16:38:30,925 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:30,926 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2022-10-17 16:38:30,992 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/data/ac40ce537/9a0abb702e6e4ce2999df69fb1e0fd03/FLAG0e5e95e94 [2022-10-17 16:38:31,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/data/ac40ce537/9a0abb702e6e4ce2999df69fb1e0fd03 [2022-10-17 16:38:31,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:31,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:31,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:31,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:31,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:31,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:31" (1/1) ... [2022-10-17 16:38:31,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223e12cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:31, skipping insertion in model container [2022-10-17 16:38:31,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:31" (1/1) ... [2022-10-17 16:38:31,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:31,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:33,545 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_a24e12d5-25b1-4744-9d20-e7c0211d2927/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2022-10-17 16:38:33,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:34,010 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:34,328 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_a24e12d5-25b1-4744-9d20-e7c0211d2927/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2022-10-17 16:38:34,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:34,531 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:34,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34 WrapperNode [2022-10-17 16:38:34,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:34,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:34,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:34,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:34,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:34,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:34,847 INFO L138 Inliner]: procedures = 229, calls = 1979, calls flagged for inlining = 98, calls inlined = 54, statements flattened = 3316 [2022-10-17 16:38:34,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:34,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:34,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:34,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:34,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:34,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:34,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:34,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:34,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:35,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:35,059 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:35,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:35,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:35,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:35,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:35,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:35,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:34" (1/1) ... [2022-10-17 16:38:35,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:35,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:35,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:35,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a24e12d5-25b1-4744-9d20-e7c0211d2927/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-10-17 16:38:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-10-17 16:38:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:38:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-10-17 16:38:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-10-17 16:38:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:38:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-17 16:38:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-17 16:38:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-10-17 16:38:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-10-17 16:38:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 16:38:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 16:38:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 16:38:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 16:38:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-10-17 16:38:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-10-17 16:38:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:38:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:38:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-10-17 16:38:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-10-17 16:38:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 16:38:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 16:38:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-10-17 16:38:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-10-17 16:38:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-10-17 16:38:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-10-17 16:38:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-10-17 16:38:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-10-17 16:38:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 16:38:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 16:38:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 16:38:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 16:38:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-10-17 16:38:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-10-17 16:38:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-10-17 16:38:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-10-17 16:38:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:38:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:38:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-10-17 16:38:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-10-17 16:38:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:38:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 16:38:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 16:38:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-10-17 16:38:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-10-17 16:38:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-10-17 16:38:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-10-17 16:38:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-17 16:38:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-17 16:38:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:38:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-10-17 16:38:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-10-17 16:38:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 16:38:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 16:38:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-10-17 16:38:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-10-17 16:38:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-10-17 16:38:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-10-17 16:38:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 16:38:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-17 16:38:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-17 16:38:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-17 16:38:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:38:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:38:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-17 16:38:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-17 16:38:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 16:38:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 16:38:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 16:38:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 16:38:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-10-17 16:38:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-10-17 16:38:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 16:38:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 16:38:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:38:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-10-17 16:38:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-10-17 16:38:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 16:38:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 16:38:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:38:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:38:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-10-17 16:38:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-10-17 16:38:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-10-17 16:38:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-10-17 16:38:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-10-17 16:38:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-10-17 16:38:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:38:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:38:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:38:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 16:38:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 16:38:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-10-17 16:38:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-10-17 16:38:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-10-17 16:38:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-10-17 16:38:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-10-17 16:38:35,217 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-10-17 16:38:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_exit [2022-10-17 16:38:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_exit [2022-10-17 16:38:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-10-17 16:38:35,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-10-17 16:38:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 16:38:35,219 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 16:38:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:38:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-17 16:38:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-17 16:38:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-10-17 16:38:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-10-17 16:38:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:38:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:38:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-17 16:38:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-17 16:38:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-10-17 16:38:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-10-17 16:38:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 16:38:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 16:38:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-17 16:38:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-17 16:38:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-10-17 16:38:35,224 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-10-17 16:38:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_init [2022-10-17 16:38:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_init [2022-10-17 16:38:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-10-17 16:38:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-10-17 16:38:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 16:38:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 16:38:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-10-17 16:38:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-10-17 16:38:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-10-17 16:38:35,236 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-10-17 16:38:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-10-17 16:38:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-10-17 16:38:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2022-10-17 16:38:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2022-10-17 16:38:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-10-17 16:38:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-10-17 16:38:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 16:38:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 16:38:35,911 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:35,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:36,229 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:36,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-17 16:38:36,238 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-17 16:38:36,285 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:36,290 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-17 16:38:36,291 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-17 16:38:46,220 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:46,230 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:46,233 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:46,234 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:46,234 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:46,237 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:46,237 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:47,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume !false; [2022-10-17 16:38:47,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume false; [2022-10-17 16:38:47,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2022-10-17 16:38:47,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2022-10-17 16:38:47,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume false; [2022-10-17 16:38:47,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume !false; [2022-10-17 16:38:47,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2022-10-17 16:38:47,450 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2022-10-17 16:38:47,450 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2022-10-17 16:38:47,450 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2022-10-17 16:38:47,450 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-17 16:38:47,450 INFO L769 $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; [2022-10-17 16:38:47,450 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##359: assume false; [2022-10-17 16:38:47,450 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume !false; [2022-10-17 16:38:47,746 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:38:48,536 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2022-10-17 16:38:48,536 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2022-10-17 16:38:48,610 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:49,268 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:49,269 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-10-17 16:38:49,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:49 BoogieIcfgContainer [2022-10-17 16:38:49,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:49,276 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:49,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:49,289 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:49,290 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:49" (1/1) ... [2022-10-17 16:38:49,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 869 states and 1267 transitions. [2022-10-17 16:38:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1267 transitions. [2022-10-17 16:38:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:38:49,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 870 states and 1266 transitions. [2022-10-17 16:38:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1266 transitions. [2022-10-17 16:38:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:38:50,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 873 states and 1269 transitions. [2022-10-17 16:38:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1269 transitions. [2022-10-17 16:38:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:38:51,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 873 states and 1268 transitions. [2022-10-17 16:38:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1268 transitions. [2022-10-17 16:38:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:38:51,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:51,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 877 states and 1282 transitions. [2022-10-17 16:38:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1282 transitions. [2022-10-17 16:38:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:51,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:51,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 881 states and 1296 transitions. [2022-10-17 16:38:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1296 transitions. [2022-10-17 16:38:52,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:38:52,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:52,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 886 states and 1309 transitions. [2022-10-17 16:38:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1309 transitions. [2022-10-17 16:38:52,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:38:52,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 887 states and 1309 transitions. [2022-10-17 16:38:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1309 transitions. [2022-10-17 16:38:53,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:38:53,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:53,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:53,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 891 states and 1316 transitions. [2022-10-17 16:38:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1316 transitions. [2022-10-17 16:38:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:38:53,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 895 states and 1323 transitions. [2022-10-17 16:38:53,747 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1323 transitions. [2022-10-17 16:38:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:38:53,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:53,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 897 states and 1326 transitions. [2022-10-17 16:38:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1326 transitions. [2022-10-17 16:38:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:38:54,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 899 states and 1329 transitions. [2022-10-17 16:38:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1329 transitions. [2022-10-17 16:38:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:38:54,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:38:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 901 states and 1331 transitions. [2022-10-17 16:38:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1331 transitions. [2022-10-17 16:38:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:38:54,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:38:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 903 states and 1334 transitions. [2022-10-17 16:38:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1334 transitions. [2022-10-17 16:38:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:38:54,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:55,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 907 states and 1338 transitions. [2022-10-17 16:38:55,177 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1338 transitions. [2022-10-17 16:38:55,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:38:55,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:55,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 911 states and 1342 transitions. [2022-10-17 16:38:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1342 transitions. [2022-10-17 16:38:55,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:38:55,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:55,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 913 states and 1344 transitions. [2022-10-17 16:38:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1344 transitions. [2022-10-17 16:38:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:38:55,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 915 states and 1346 transitions. [2022-10-17 16:38:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1346 transitions. [2022-10-17 16:38:56,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:38:56,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 917 states and 1348 transitions. [2022-10-17 16:38:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1348 transitions. [2022-10-17 16:38:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:38:56,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 919 states and 1350 transitions. [2022-10-17 16:38:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1350 transitions. [2022-10-17 16:38:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:38:56,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 923 states and 1358 transitions. [2022-10-17 16:38:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1358 transitions. [2022-10-17 16:38:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:38:57,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:57,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:38:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 925 states and 1360 transitions. [2022-10-17 16:38:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1360 transitions. [2022-10-17 16:38:58,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:38:58,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:58,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:38:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 927 states and 1362 transitions. [2022-10-17 16:38:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1362 transitions. [2022-10-17 16:38:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:38:58,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:58,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 927 states and 1359 transitions. [2022-10-17 16:38:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1359 transitions. [2022-10-17 16:38:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:38:58,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:58,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:38:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 929 states and 1363 transitions. [2022-10-17 16:38:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1363 transitions. [2022-10-17 16:38:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 16:38:59,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:59,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:39:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 932 states and 1370 transitions. [2022-10-17 16:39:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1370 transitions. [2022-10-17 16:39:00,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:39:00,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:00,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:39:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 935 states and 1377 transitions. [2022-10-17 16:39:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1377 transitions. [2022-10-17 16:39:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:39:00,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:00,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.