./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/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_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/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_52cb9f7b-d77f-406e-a22e-adf559785e47/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 1b2bc647ca8745ce6966563490eaffac57a1a11e1ae3ccf6c64fee22f81541d7 --- 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 16:54:13,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:13,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:13,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:13,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:13,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:13,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:13,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:13,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:13,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:13,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:13,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:13,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:13,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:13,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:13,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:13,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:13,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:13,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:13,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:13,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:13,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:13,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:13,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:13,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:13,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:13,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:13,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:13,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:13,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:13,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:13,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:13,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:13,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:13,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:13,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:13,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:13,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:13,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:13,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:13,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:13,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:54:13,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:13,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:13,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:13,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:13,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:13,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:13,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:13,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:13,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:13,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:13,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:13,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:13,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:13,497 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:13,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:13,498 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:13,498 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:13,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:13,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:13,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:13,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:13,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:13,500 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:13,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:13,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:13,500 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_52cb9f7b-d77f-406e-a22e-adf559785e47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b2bc647ca8745ce6966563490eaffac57a1a11e1ae3ccf6c64fee22f81541d7 [2022-10-17 16:54:13,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:13,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:13,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:13,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:13,787 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:13,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2022-10-17 16:54:13,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/data/64099e406/1536ed3f622e44069effb147ecf4dafd/FLAGaea64768c [2022-10-17 16:54:14,797 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:14,798 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2022-10-17 16:54:14,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/data/64099e406/1536ed3f622e44069effb147ecf4dafd/FLAGaea64768c [2022-10-17 16:54:15,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/data/64099e406/1536ed3f622e44069effb147ecf4dafd [2022-10-17 16:54:15,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:15,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:15,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:15,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:15,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:15,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5847b16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15, skipping insertion in model container [2022-10-17 16:54:15,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:15,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:17,210 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_52cb9f7b-d77f-406e-a22e-adf559785e47/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2022-10-17 16:54:17,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:17,356 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:17,776 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_52cb9f7b-d77f-406e-a22e-adf559785e47/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2022-10-17 16:54:17,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:17,910 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:17,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17 WrapperNode [2022-10-17 16:54:17,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:17,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:17,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:17,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:17,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,237 INFO L138 Inliner]: procedures = 167, calls = 1419, calls flagged for inlining = 71, calls inlined = 71, statements flattened = 4370 [2022-10-17 16:54:18,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:18,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:18,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:18,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:18,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:18,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:18,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:18,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:18,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:17" (1/1) ... [2022-10-17 16:54:18,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:18,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:18,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:18,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cb9f7b-d77f-406e-a22e-adf559785e47/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 16:54:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 16:54:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2022-10-17 16:54:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2022-10-17 16:54:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:54:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-17 16:54:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-17 16:54:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:54:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:54:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-10-17 16:54:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-10-17 16:54:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:54:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2022-10-17 16:54:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2022-10-17 16:54:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:54:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:54:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2022-10-17 16:54:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2022-10-17 16:54:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 16:54:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 16:54:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:54:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:54:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2022-10-17 16:54:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2022-10-17 16:54:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 16:54:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 16:54:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:54:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:54:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-10-17 16:54:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-10-17 16:54:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:54:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 16:54:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 16:54:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-17 16:54:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-17 16:54:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2022-10-17 16:54:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2022-10-17 16:54:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-17 16:54:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-17 16:54:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 16:54:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 16:54:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2022-10-17 16:54:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2022-10-17 16:54:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2022-10-17 16:54:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2022-10-17 16:54:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2022-10-17 16:54:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2022-10-17 16:54:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:54:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-10-17 16:54:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-10-17 16:54:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 16:54:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 16:54:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 16:54:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 16:54:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:54:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:54:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:54:18,653 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:54:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 16:54:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2022-10-17 16:54:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2022-10-17 16:54:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 16:54:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 16:54:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2022-10-17 16:54:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2022-10-17 16:54:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2022-10-17 16:54:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2022-10-17 16:54:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:54:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 16:54:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 16:54:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2022-10-17 16:54:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2022-10-17 16:54:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 16:54:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 16:54:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 16:54:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 16:54:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2022-10-17 16:54:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2022-10-17 16:54:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-17 16:54:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-17 16:54:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:54:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:54:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2022-10-17 16:54:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2022-10-17 16:54:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 16:54:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 16:54:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-10-17 16:54:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-10-17 16:54:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-10-17 16:54:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-10-17 16:54:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-17 16:54:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-17 16:54:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:54:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:54:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2022-10-17 16:54:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2022-10-17 16:54:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 16:54:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 16:54:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 16:54:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 16:54:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 16:54:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 16:54:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 16:54:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 16:54:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2022-10-17 16:54:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2022-10-17 16:54:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 16:54:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 16:54:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-10-17 16:54:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-10-17 16:54:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-10-17 16:54:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-10-17 16:54:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-17 16:54:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-17 16:54:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:54:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2022-10-17 16:54:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2022-10-17 16:54:19,547 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:19,553 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:19,948 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:54:20,138 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !false; [2022-10-17 16:54:20,138 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume false; [2022-10-17 16:54:20,155 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:54:20,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2022-10-17 16:54:20,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2022-10-17 16:54:20,425 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2022-10-17 16:54:20,945 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:54:20,964 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:54:22,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##395: assume !false; [2022-10-17 16:54:22,968 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume false; [2022-10-17 16:54:22,969 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2022-10-17 16:54:22,969 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2022-10-17 16:54:23,079 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:24,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:24,537 INFO L300 CfgBuilder]: Removed 94 assume(true) statements. [2022-10-17 16:54:24,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:24 BoogieIcfgContainer [2022-10-17 16:54:24,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:24,546 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:24,546 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:24,558 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:24,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:24" (1/1) ... [2022-10-17 16:54:24,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:24,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 794 states and 1179 transitions. [2022-10-17 16:54:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1179 transitions. [2022-10-17 16:54:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:54:24,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:24,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:25,593 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 16:54:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 795 states and 1177 transitions. [2022-10-17 16:54:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1177 transitions. [2022-10-17 16:54:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:54:25,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:25,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:26,432 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 16:54:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 798 states and 1180 transitions. [2022-10-17 16:54:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1180 transitions. [2022-10-17 16:54:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:54:26,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:26,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:27,075 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 16:54:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 798 states and 1179 transitions. [2022-10-17 16:54:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1179 transitions. [2022-10-17 16:54:27,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:54:27,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:27,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:27,570 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 16:54:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 803 states and 1212 transitions. [2022-10-17 16:54:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1212 transitions. [2022-10-17 16:54:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:54:27,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:27,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,144 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 16:54:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 808 states and 1245 transitions. [2022-10-17 16:54:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1245 transitions. [2022-10-17 16:54:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:54:28,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:54:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 813 states and 1277 transitions. [2022-10-17 16:54:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1277 transitions. [2022-10-17 16:54:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:54:28,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 816 states and 1282 transitions. [2022-10-17 16:54:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1282 transitions. [2022-10-17 16:54:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:54:29,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:54:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 817 states and 1282 transitions. [2022-10-17 16:54:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1282 transitions. [2022-10-17 16:54:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:54:29,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 820 states and 1287 transitions. [2022-10-17 16:54:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1287 transitions. [2022-10-17 16:54:30,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:54:30,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:30,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:54:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 824 states and 1311 transitions. [2022-10-17 16:54:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1311 transitions. [2022-10-17 16:54:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:54:30,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:30,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:54:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 829 states and 1321 transitions. [2022-10-17 16:54:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1321 transitions. [2022-10-17 16:54:31,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:54:31,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 832 states and 1327 transitions. [2022-10-17 16:54:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1327 transitions. [2022-10-17 16:54:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:54:31,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 834 states and 1330 transitions. [2022-10-17 16:54:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1330 transitions. [2022-10-17 16:54:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:54:31,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 837 states and 1336 transitions. [2022-10-17 16:54:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1336 transitions. [2022-10-17 16:54:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:54:32,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 839 states and 1339 transitions. [2022-10-17 16:54:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1339 transitions. [2022-10-17 16:54:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:54:32,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:54:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 840 states and 1340 transitions. [2022-10-17 16:54:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1340 transitions. [2022-10-17 16:54:32,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:54:32,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:54:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 843 states and 1346 transitions. [2022-10-17 16:54:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1346 transitions. [2022-10-17 16:54:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:54:33,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:33,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:54:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 845 states and 1349 transitions. [2022-10-17 16:54:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1349 transitions. [2022-10-17 16:54:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:54:33,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:33,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 852 states and 1362 transitions. [2022-10-17 16:54:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1362 transitions. [2022-10-17 16:54:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:54:33,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:33,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 856 states and 1368 transitions. [2022-10-17 16:54:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1368 transitions. [2022-10-17 16:54:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:54:34,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 858 states and 1370 transitions. [2022-10-17 16:54:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1370 transitions. [2022-10-17 16:54:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:54:34,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 860 states and 1372 transitions. [2022-10-17 16:54:34,916 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1372 transitions. [2022-10-17 16:54:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:54:34,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:37,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 862 states and 1374 transitions. [2022-10-17 16:54:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1374 transitions. [2022-10-17 16:54:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:54:37,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 869 states and 1387 transitions. [2022-10-17 16:54:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1387 transitions. [2022-10-17 16:54:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:54:37,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 873 states and 1393 transitions. [2022-10-17 16:54:37,802 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1393 transitions. [2022-10-17 16:54:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:54:37,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 884 states and 1410 transitions. [2022-10-17 16:54:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1410 transitions. [2022-10-17 16:54:38,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:54:38,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:38,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 886 states and 1412 transitions. [2022-10-17 16:54:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1412 transitions. [2022-10-17 16:54:39,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:54:39,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:54:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 886 states and 1411 transitions. [2022-10-17 16:54:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1411 transitions. [2022-10-17 16:54:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:54:39,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:40,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 897 states and 1428 transitions. [2022-10-17 16:54:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1428 transitions. [2022-10-17 16:54:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:54:40,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:40,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:54:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 899 states and 1430 transitions. [2022-10-17 16:54:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1430 transitions. [2022-10-17 16:54:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:54:40,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:40,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:41,227 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 16:54:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 902 states and 1433 transitions. [2022-10-17 16:54:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1433 transitions. [2022-10-17 16:54:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:54:41,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:54:41,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 909 states and 1446 transitions. [2022-10-17 16:54:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1446 transitions. [2022-10-17 16:54:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:54:41,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat