./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.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_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/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_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/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_d4fc6f6a-6397-432e-8975-560687a48011/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 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 --- 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 16:49:43,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:43,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:43,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:43,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:43,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:43,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:43,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:43,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:43,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:43,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:43,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:43,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:43,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:43,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:43,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:43,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:43,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:43,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:43,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:43,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:43,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:43,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:43,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:43,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:43,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:43,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:43,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:43,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:43,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:43,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:43,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:43,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:43,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:43,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:43,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:43,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:43,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:43,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:43,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:43,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:43,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:49:43,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:43,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:43,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:43,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:43,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:43,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:43,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:43,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:43,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:43,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:43,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:43,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:43,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:43,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:43,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:43,404 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:43,404 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:43,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:43,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:43,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:43,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:43,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:43,406 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:43,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:43,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:43,407 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_d4fc6f6a-6397-432e-8975-560687a48011/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 [2022-10-17 16:49:43,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:43,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:43,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:43,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:43,811 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:43,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2022-10-17 16:49:43,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/data/36a3259bd/d5fdf35de3954c859b81e6163f2258a8/FLAG2aa22a558 [2022-10-17 16:49:44,749 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:44,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2022-10-17 16:49:44,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/data/36a3259bd/d5fdf35de3954c859b81e6163f2258a8/FLAG2aa22a558 [2022-10-17 16:49:45,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/data/36a3259bd/d5fdf35de3954c859b81e6163f2258a8 [2022-10-17 16:49:45,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:45,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:45,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:45,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:45,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:45,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f47c969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:45, skipping insertion in model container [2022-10-17 16:49:45,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:45" (1/1) ... [2022-10-17 16:49:45,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:45,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:46,437 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_d4fc6f6a-6397-432e-8975-560687a48011/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2022-10-17 16:49:46,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:46,989 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:47,159 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_d4fc6f6a-6397-432e-8975-560687a48011/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2022-10-17 16:49:47,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:47,532 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:47,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47 WrapperNode [2022-10-17 16:49:47,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:47,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:47,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:47,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:47,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,728 INFO L138 Inliner]: procedures = 160, calls = 847, calls flagged for inlining = 71, calls inlined = 71, statements flattened = 2365 [2022-10-17 16:49:47,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:47,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:47,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:47,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:47,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,911 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:47,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:47,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:47,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:47,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:47" (1/1) ... [2022-10-17 16:49:47,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:47,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:47,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:48,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fc6f6a-6397-432e-8975-560687a48011/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-17 16:49:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-17 16:49:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2022-10-17 16:49:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2022-10-17 16:49:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_17 [2022-10-17 16:49:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_17 [2022-10-17 16:49:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2022-10-17 16:49:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2022-10-17 16:49:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-10-17 16:49:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-10-17 16:49:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:49:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:49:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-17 16:49:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-17 16:49:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2022-10-17 16:49:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2022-10-17 16:49:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-17 16:49:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-17 16:49:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-17 16:49:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-17 16:49:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 16:49:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 16:49:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 16:49:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 16:49:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:49:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:49:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-17 16:49:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-17 16:49:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-10-17 16:49:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-10-17 16:49:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:49:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:49:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-10-17 16:49:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-10-17 16:49:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:49:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:49:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-17 16:49:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-17 16:49:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:49:48,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:49:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:48,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 16:49:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 16:49:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:49:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-17 16:49:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-17 16:49:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2022-10-17 16:49:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2022-10-17 16:49:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 16:49:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 16:49:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 16:49:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 16:49:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:49:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:49:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 16:49:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-10-17 16:49:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-10-17 16:49:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-10-17 16:49:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-10-17 16:49:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:49:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-17 16:49:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-17 16:49:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-17 16:49:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-10-17 16:49:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-10-17 16:49:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-10-17 16:49:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:49:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 16:49:48,065 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 16:49:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_read_bulk_callback [2022-10-17 16:49:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_read_bulk_callback [2022-10-17 16:49:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_send_msg [2022-10-17 16:49:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_send_msg [2022-10-17 16:49:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-10-17 16:49:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-10-17 16:49:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:49:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:49:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 16:49:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 16:49:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-10-17 16:49:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-10-17 16:49:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 16:49:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 16:49:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-17 16:49:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-17 16:49:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-10-17 16:49:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-10-17 16:49:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-10-17 16:49:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-10-17 16:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 16:49:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 16:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-17 16:49:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-17 16:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_disconnect [2022-10-17 16:49:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_disconnect [2022-10-17 16:49:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:48,702 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:48,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:48,952 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:49:49,635 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-17 16:49:50,845 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:51,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:51,586 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:49:51,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:51 BoogieIcfgContainer [2022-10-17 16:49:51,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:51,594 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:51,594 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:51,605 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:51,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:51" (1/1) ... [2022-10-17 16:49:51,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 516 states and 731 transitions. [2022-10-17 16:49:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 731 transitions. [2022-10-17 16:49:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:49:51,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:52,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 522 states and 767 transitions. [2022-10-17 16:49:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 767 transitions. [2022-10-17 16:49:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 16:49:52,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:52,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:49:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 523 states and 768 transitions. [2022-10-17 16:49:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 768 transitions. [2022-10-17 16:49:52,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 16:49:52,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:52,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-10-17 16:49:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 524 states and 769 transitions. [2022-10-17 16:49:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 769 transitions. [2022-10-17 16:49:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:49:53,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:53,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:53,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 527 states and 802 transitions. [2022-10-17 16:49:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 802 transitions. [2022-10-17 16:49:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:49:53,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:53,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-10-17 16:49:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 529 states and 805 transitions. [2022-10-17 16:49:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 805 transitions. [2022-10-17 16:49:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:49:54,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:54,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 533 states and 840 transitions. [2022-10-17 16:49:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 840 transitions. [2022-10-17 16:49:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 16:49:54,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:54,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-10-17 16:49:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 535 states and 843 transitions. [2022-10-17 16:49:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 843 transitions. [2022-10-17 16:49:54,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:49:54,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:54,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 537 states and 845 transitions. [2022-10-17 16:49:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 845 transitions. [2022-10-17 16:49:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:49:54,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:54,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:49:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 551 states and 903 transitions. [2022-10-17 16:49:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 903 transitions. [2022-10-17 16:49:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:49:55,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:55,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 557 states and 943 transitions. [2022-10-17 16:49:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 943 transitions. [2022-10-17 16:49:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:49:56,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:56,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-10-17 16:49:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 559 states and 946 transitions. [2022-10-17 16:49:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 946 transitions. [2022-10-17 16:49:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:49:56,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:56,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:49:56,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 560 states and 946 transitions. [2022-10-17 16:49:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 946 transitions. [2022-10-17 16:49:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-17 16:49:56,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:56,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:49:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 575 states and 1007 transitions. [2022-10-17 16:49:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1007 transitions. [2022-10-17 16:49:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:49:58,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 574 states and 999 transitions. [2022-10-17 16:49:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 999 transitions. [2022-10-17 16:49:58,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:49:58,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 581 states and 1040 transitions. [2022-10-17 16:49:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1040 transitions. [2022-10-17 16:49:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:49:59,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:49:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 580 states and 1031 transitions. [2022-10-17 16:49:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1031 transitions. [2022-10-17 16:49:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:49:59,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:49:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 582 states and 1037 transitions. [2022-10-17 16:49:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1037 transitions. [2022-10-17 16:49:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:49:59,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:50:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 598 states and 1097 transitions. [2022-10-17 16:50:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1097 transitions. [2022-10-17 16:50:01,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-17 16:50:01,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:50:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 606 states and 1140 transitions. [2022-10-17 16:50:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1140 transitions. [2022-10-17 16:50:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:50:02,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:50:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 607 states and 1142 transitions. [2022-10-17 16:50:03,072 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1142 transitions. [2022-10-17 16:50:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:03,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:50:04,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 624 states and 1204 transitions. [2022-10-17 16:50:04,869 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1204 transitions. [2022-10-17 16:50:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:04,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-10-17 16:50:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 625 states and 1204 transitions. [2022-10-17 16:50:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1204 transitions. [2022-10-17 16:50:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:50:05,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:50:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 628 states and 1215 transitions. [2022-10-17 16:50:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1215 transitions. [2022-10-17 16:50:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:06,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:06,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:50:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 629 states and 1217 transitions. [2022-10-17 16:50:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1217 transitions. [2022-10-17 16:50:06,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:50:06,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:06,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:50:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 647 states and 1280 transitions. [2022-10-17 16:50:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1280 transitions. [2022-10-17 16:50:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:50:08,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-10-17 16:50:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 648 states and 1280 transitions. [2022-10-17 16:50:09,478 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1280 transitions. [2022-10-17 16:50:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:09,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:50:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 651 states and 1291 transitions. [2022-10-17 16:50:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1291 transitions. [2022-10-17 16:50:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:09,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 16:50:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 653 states and 1295 transitions. [2022-10-17 16:50:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1295 transitions. [2022-10-17 16:50:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:10,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-10-17 16:50:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 656 states and 1306 transitions. [2022-10-17 16:50:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1306 transitions. [2022-10-17 16:50:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:11,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:11,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-10-17 16:50:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:11,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 657 states and 1308 transitions. [2022-10-17 16:50:11,319 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1308 transitions. [2022-10-17 16:50:11,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:50:11,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:11,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-10-17 16:50:11,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 658 states and 1308 transitions. [2022-10-17 16:50:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1308 transitions. [2022-10-17 16:50:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:50:11,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:11,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked.