./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.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_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/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_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/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_222ba755-dad1-456f-903f-08ed7febc150/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 e621fe5569ce23da8663d1ba84e0ea76474750cbbbe06c56ff4e5d6732ec9411 --- 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 16:47:22,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:22,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:22,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:22,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:22,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:22,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:22,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:22,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:22,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:22,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:22,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:22,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:22,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:22,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:22,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:22,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:22,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:22,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:22,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:22,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:22,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:22,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:22,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:22,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:22,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:22,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:22,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:22,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:22,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:22,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:22,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:22,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:22,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:22,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:22,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:22,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:22,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:22,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:22,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:22,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:22,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:47:22,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:22,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:22,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:22,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:22,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:22,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:22,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:22,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:22,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:22,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:22,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:22,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:22,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:22,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:22,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:22,552 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:22,552 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:22,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:22,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:22,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:22,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:22,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:22,553 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:22,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:22,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:22,554 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_222ba755-dad1-456f-903f-08ed7febc150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e621fe5569ce23da8663d1ba84e0ea76474750cbbbe06c56ff4e5d6732ec9411 [2022-10-17 16:47:22,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:22,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:22,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:22,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:22,920 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:22,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2022-10-17 16:47:23,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/data/e325fc05c/54a7ee6cf0fd4081a30ca8d0dc458f6e/FLAG38b0ed380 [2022-10-17 16:47:23,705 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:23,706 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i [2022-10-17 16:47:23,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/data/e325fc05c/54a7ee6cf0fd4081a30ca8d0dc458f6e/FLAG38b0ed380 [2022-10-17 16:47:23,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/data/e325fc05c/54a7ee6cf0fd4081a30ca8d0dc458f6e [2022-10-17 16:47:23,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:23,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:23,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:23,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:23,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:23,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d249951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23, skipping insertion in model container [2022-10-17 16:47:23,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:24,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:24,810 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_222ba755-dad1-456f-903f-08ed7febc150/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i[100586,100599] [2022-10-17 16:47:25,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:25,072 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:25,246 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_222ba755-dad1-456f-903f-08ed7febc150/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point.cil.out.i[100586,100599] [2022-10-17 16:47:25,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:25,539 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:25,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25 WrapperNode [2022-10-17 16:47:25,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:25,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:25,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:25,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:25,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,758 INFO L138 Inliner]: procedures = 155, calls = 536, calls flagged for inlining = 94, calls inlined = 94, statements flattened = 1901 [2022-10-17 16:47:25,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:25,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:25,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:25,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:25,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:25,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:25,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:25,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:25,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:25" (1/1) ... [2022-10-17 16:47:25,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:25,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:25,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:26,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_222ba755-dad1-456f-903f-08ed7febc150/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:26,039 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-10-17 16:47:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-10-17 16:47:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-10-17 16:47:26,041 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-10-17 16:47:26,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:47:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:47:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:47:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2022-10-17 16:47:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2022-10-17 16:47:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-10-17 16:47:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-10-17 16:47:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:47:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:47:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-10-17 16:47:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-10-17 16:47:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2022-10-17 16:47:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2022-10-17 16:47:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:47:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:47:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:47:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:47:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:47:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:47:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:47:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2022-10-17 16:47:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2022-10-17 16:47:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:47:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:47:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:47:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-17 16:47:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-17 16:47:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-10-17 16:47:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 16:47:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 16:47:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-10-17 16:47:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-10-17 16:47:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:47:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:47:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:47:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:47:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-10-17 16:47:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-10-17 16:47:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-10-17 16:47:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-10-17 16:47:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:47:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-10-17 16:47:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-10-17 16:47:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 16:47:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 16:47:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 16:47:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 16:47:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:47:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:47:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-10-17 16:47:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-10-17 16:47:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-17 16:47:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-10-17 16:47:26,053 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2022-10-17 16:47:26,053 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2022-10-17 16:47:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:26,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 16:47:26,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 16:47:26,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:26,056 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 16:47:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 16:47:26,668 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:26,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:27,219 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:47:27,335 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-17 16:47:28,194 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:29,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:29,106 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:47:29,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:29 BoogieIcfgContainer [2022-10-17 16:47:29,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:29,113 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:29,113 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:29,124 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:29,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:29" (1/1) ... [2022-10-17 16:47:29,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 325 states and 453 transitions. [2022-10-17 16:47:29,218 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 453 transitions. [2022-10-17 16:47:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:29,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:29,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:29,702 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 16:47:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 330 states and 474 transitions. [2022-10-17 16:47:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 474 transitions. [2022-10-17 16:47:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:29,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:29,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:30,092 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 16:47:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 341 states and 510 transitions. [2022-10-17 16:47:30,308 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 510 transitions. [2022-10-17 16:47:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:30,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:30,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:30,492 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 16:47:30,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 342 states and 511 transitions. [2022-10-17 16:47:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 511 transitions. [2022-10-17 16:47:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:30,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:47:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 344 states and 514 transitions. [2022-10-17 16:47:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 514 transitions. [2022-10-17 16:47:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:30,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:30,837 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 16:47:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 347 states and 532 transitions. [2022-10-17 16:47:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 532 transitions. [2022-10-17 16:47:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:47:31,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,166 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 16:47:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 346 states and 527 transitions. [2022-10-17 16:47:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 527 transitions. [2022-10-17 16:47:31,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:47:31,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,314 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 16:47:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 347 states and 527 transitions. [2022-10-17 16:47:31,363 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 527 transitions. [2022-10-17 16:47:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:31,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,464 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 16:47:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 352 states and 547 transitions. [2022-10-17 16:47:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 547 transitions. [2022-10-17 16:47:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:31,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 354 states and 549 transitions. [2022-10-17 16:47:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 549 transitions. [2022-10-17 16:47:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:47:31,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:31,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:47:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 356 states and 551 transitions. [2022-10-17 16:47:32,115 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 551 transitions. [2022-10-17 16:47:32,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:47:32,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 355 states and 545 transitions. [2022-10-17 16:47:32,260 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 545 transitions. [2022-10-17 16:47:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:47:32,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:47:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 356 states and 545 transitions. [2022-10-17 16:47:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 545 transitions. [2022-10-17 16:47:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:47:32,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 357 states and 546 transitions. [2022-10-17 16:47:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 546 transitions. [2022-10-17 16:47:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:47:32,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 360 states and 550 transitions. [2022-10-17 16:47:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 550 transitions. [2022-10-17 16:47:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:47:32,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 361 states and 550 transitions. [2022-10-17 16:47:32,846 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 550 transitions. [2022-10-17 16:47:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:47:32,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:47:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 364 states and 554 transitions. [2022-10-17 16:47:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 554 transitions. [2022-10-17 16:47:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:47:32,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:32,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:47:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 367 states and 557 transitions. [2022-10-17 16:47:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 557 transitions. [2022-10-17 16:47:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:47:33,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 368 states and 556 transitions. [2022-10-17 16:47:33,206 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 556 transitions. [2022-10-17 16:47:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:47:33,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:33,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:47:33,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 378 states and 582 transitions. [2022-10-17 16:47:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 582 transitions. [2022-10-17 16:47:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:47:33,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:33,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 381 states and 597 transitions. [2022-10-17 16:47:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 597 transitions. [2022-10-17 16:47:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:47:34,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:34,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 386 states and 616 transitions. [2022-10-17 16:47:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 616 transitions. [2022-10-17 16:47:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:47:34,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:34,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 391 states and 636 transitions. [2022-10-17 16:47:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 636 transitions. [2022-10-17 16:47:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:47:35,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:35,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 394 states and 652 transitions. [2022-10-17 16:47:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 652 transitions. [2022-10-17 16:47:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:47:36,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:36,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 16:47:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 398 states and 660 transitions. [2022-10-17 16:47:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 660 transitions. [2022-10-17 16:47:36,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:47:36,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:36,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 16:47:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 399 states and 660 transitions. [2022-10-17 16:47:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 660 transitions. [2022-10-17 16:47:36,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:47:36,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:36,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 406 states and 681 transitions. [2022-10-17 16:47:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 681 transitions. [2022-10-17 16:47:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:47:37,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:37,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 411 states and 699 transitions. [2022-10-17 16:47:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 699 transitions. [2022-10-17 16:47:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:47:38,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 410 states and 686 transitions. [2022-10-17 16:47:38,483 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 686 transitions. [2022-10-17 16:47:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:47:38,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:38,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 414 states and 703 transitions. [2022-10-17 16:47:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 703 transitions. [2022-10-17 16:47:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:47:39,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:39,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:47:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:39,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 416 states and 705 transitions. [2022-10-17 16:47:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 705 transitions. [2022-10-17 16:47:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:47:39,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:39,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:47:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:40,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 415 states and 691 transitions. [2022-10-17 16:47:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 691 transitions. [2022-10-17 16:47:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:47:40,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:40,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 434 states and 739 transitions. [2022-10-17 16:47:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 739 transitions. [2022-10-17 16:47:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:47:42,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:42,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:47:42,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 436 states and 742 transitions. [2022-10-17 16:47:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 742 transitions. [2022-10-17 16:47:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:47:42,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:42,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 441 states and 752 transitions. [2022-10-17 16:47:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 752 transitions. [2022-10-17 16:47:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:47:43,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:43,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 16:47:43,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 446 states and 760 transitions. [2022-10-17 16:47:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 760 transitions. [2022-10-17 16:47:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:47:43,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:43,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:47:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 448 states and 763 transitions. [2022-10-17 16:47:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 763 transitions. [2022-10-17 16:47:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:47:43,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:43,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 452 states and 770 transitions. [2022-10-17 16:47:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 770 transitions. [2022-10-17 16:47:44,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:47:44,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:44,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:47:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 460 states and 783 transitions. [2022-10-17 16:47:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 783 transitions. [2022-10-17 16:47:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:47:44,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:44,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:47:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 464 states and 789 transitions. [2022-10-17 16:47:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 789 transitions. [2022-10-17 16:47:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:47:45,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 469 states and 798 transitions. [2022-10-17 16:47:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 798 transitions. [2022-10-17 16:47:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:47:45,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:47:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 470 states and 798 transitions. [2022-10-17 16:47:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 798 transitions. [2022-10-17 16:47:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:47:45,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:47:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 476 states and 806 transitions. [2022-10-17 16:47:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 806 transitions. [2022-10-17 16:47:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:47:45,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:45,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 480 states and 812 transitions. [2022-10-17 16:47:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 812 transitions. [2022-10-17 16:47:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:47:46,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:46,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:47:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 484 states and 817 transitions. [2022-10-17 16:47:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 817 transitions. [2022-10-17 16:47:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:47:46,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:46,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:47:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 485 states and 817 transitions. [2022-10-17 16:47:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 817 transitions. [2022-10-17 16:47:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:47:46,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:47:46,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 489 states and 823 transitions. [2022-10-17 16:47:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 823 transitions. [2022-10-17 16:47:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:47:46,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:46,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:47:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 496 states and 844 transitions. [2022-10-17 16:47:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 844 transitions. [2022-10-17 16:47:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:47:47,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:47,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:47:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 499 states and 847 transitions. [2022-10-17 16:47:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 847 transitions. [2022-10-17 16:47:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:47:48,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:48,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:47:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:48,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 500 states and 847 transitions. [2022-10-17 16:47:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 847 transitions. [2022-10-17 16:47:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:47:48,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:48,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:47:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 502 states and 849 transitions. [2022-10-17 16:47:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 849 transitions. [2022-10-17 16:47:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:47:48,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:47:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 506 states and 854 transitions. [2022-10-17 16:47:49,089 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 854 transitions. [2022-10-17 16:47:49,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:47:49,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:49,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 16:47:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 512 states and 873 transitions. [2022-10-17 16:47:50,280 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 873 transitions. [2022-10-17 16:47:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:47:50,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:50,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:47:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 513 states and 873 transitions. [2022-10-17 16:47:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 873 transitions. [2022-10-17 16:47:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:47:50,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:47:50,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 517 states and 878 transitions. [2022-10-17 16:47:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 878 transitions. [2022-10-17 16:47:50,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:47:50,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:50,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.