./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.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_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/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_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/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_f233599f-fea7-40c0-a0ea-d30639fabfed/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 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- 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 16:58:21,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:21,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:21,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:21,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:21,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:21,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:21,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:21,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:21,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:21,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:21,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:21,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:21,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:21,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:21,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:21,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:21,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:21,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:21,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:21,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:21,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:21,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:21,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:21,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:21,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:21,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:21,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:21,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:21,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:21,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:21,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:21,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:21,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:21,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:21,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:21,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:21,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:21,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:21,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:21,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:21,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:58:21,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:21,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:21,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:21,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:21,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:21,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:21,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:21,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:21,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:21,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:21,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:21,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:21,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:21,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:21,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:21,436 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:21,437 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:21,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:21,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:21,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:21,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:21,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:21,438 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:21,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:21,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:21,439 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_f233599f-fea7-40c0-a0ea-d30639fabfed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2022-10-17 16:58:21,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:21,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:21,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:21,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:21,770 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:21,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-10-17 16:58:21,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/data/bb4b6c845/020a5d907eac44209503d84f807804ab/FLAGd907ef1b9 [2022-10-17 16:58:22,830 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:22,831 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-10-17 16:58:22,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/data/bb4b6c845/020a5d907eac44209503d84f807804ab/FLAGd907ef1b9 [2022-10-17 16:58:23,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/data/bb4b6c845/020a5d907eac44209503d84f807804ab [2022-10-17 16:58:23,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:23,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:23,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:23,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:23,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:23,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:23" (1/1) ... [2022-10-17 16:58:23,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a97e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:23, skipping insertion in model container [2022-10-17 16:58:23,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:23" (1/1) ... [2022-10-17 16:58:23,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:23,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:24,390 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_f233599f-fea7-40c0-a0ea-d30639fabfed/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-10-17 16:58:24,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:24,856 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:25,055 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_f233599f-fea7-40c0-a0ea-d30639fabfed/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-10-17 16:58:25,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:25,237 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:25,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25 WrapperNode [2022-10-17 16:58:25,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:25,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:25,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:25,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:25,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,396 INFO L138 Inliner]: procedures = 125, calls = 327, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1066 [2022-10-17 16:58:25,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:25,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:25,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:25,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:25,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:25,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:25,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:25,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:25,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:25" (1/1) ... [2022-10-17 16:58:25,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:25,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:25,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:25,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f233599f-fea7-40c0-a0ea-d30639fabfed/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:58:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:58:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:58:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:58:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:58:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:58:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-10-17 16:58:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-10-17 16:58:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-10-17 16:58:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-10-17 16:58:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2022-10-17 16:58:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2022-10-17 16:58:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-10-17 16:58:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-10-17 16:58:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:58:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:58:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-10-17 16:58:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-10-17 16:58:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:58:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:58:25,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:58:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-17 16:58:25,677 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-10-17 16:58:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 16:58:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 16:58:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-10-17 16:58:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-10-17 16:58:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:58:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:58:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:58:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:58:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2022-10-17 16:58:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2022-10-17 16:58:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:58:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-17 16:58:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-10-17 16:58:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-17 16:58:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-17 16:58:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:58:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:58:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:58:25,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-10-17 16:58:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-10-17 16:58:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 16:58:25,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 16:58:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:58:25,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:58:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 16:58:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 16:58:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:58:25,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 16:58:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 16:58:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:25,684 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2022-10-17 16:58:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2022-10-17 16:58:26,108 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:26,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:26,223 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:58:28,923 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:29,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:29,400 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:58:29,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:29 BoogieIcfgContainer [2022-10-17 16:58:29,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:29,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:29,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:29,429 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:29,430 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:29" (1/1) ... [2022-10-17 16:58:29,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:29,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 218 states and 310 transitions. [2022-10-17 16:58:29,572 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 310 transitions. [2022-10-17 16:58:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:58:29,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:29,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 223 states and 336 transitions. [2022-10-17 16:58:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 336 transitions. [2022-10-17 16:58:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:58:31,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:58:31,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 337 transitions. [2022-10-17 16:58:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 337 transitions. [2022-10-17 16:58:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:58:31,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 227 states and 358 transitions. [2022-10-17 16:58:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 358 transitions. [2022-10-17 16:58:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:58:31,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 229 states and 361 transitions. [2022-10-17 16:58:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 361 transitions. [2022-10-17 16:58:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:58:32,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 228 states and 357 transitions. [2022-10-17 16:58:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 357 transitions. [2022-10-17 16:58:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:58:32,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:32,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:33,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 233 states and 380 transitions. [2022-10-17 16:58:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 380 transitions. [2022-10-17 16:58:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:58:33,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 235 states and 382 transitions. [2022-10-17 16:58:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 382 transitions. [2022-10-17 16:58:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:58:33,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:33,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:58:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 248 states and 424 transitions. [2022-10-17 16:58:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 424 transitions. [2022-10-17 16:58:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:58:34,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:58:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 247 states and 418 transitions. [2022-10-17 16:58:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 418 transitions. [2022-10-17 16:58:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:58:34,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:58:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 250 states and 423 transitions. [2022-10-17 16:58:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 423 transitions. [2022-10-17 16:58:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:58:34,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:58:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 251 states and 423 transitions. [2022-10-17 16:58:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 423 transitions. [2022-10-17 16:58:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:58:34,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:34,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:58:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 254 states and 428 transitions. [2022-10-17 16:58:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 428 transitions. [2022-10-17 16:58:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:35,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:58:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 255 states and 428 transitions. [2022-10-17 16:58:35,325 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 428 transitions. [2022-10-17 16:58:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:58:35,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:58:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 257 states and 430 transitions. [2022-10-17 16:58:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 430 transitions. [2022-10-17 16:58:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:58:35,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:58:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:35,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 260 states and 434 transitions. [2022-10-17 16:58:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 434 transitions. [2022-10-17 16:58:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:35,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:35,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:58:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 261 states and 434 transitions. [2022-10-17 16:58:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 434 transitions. [2022-10-17 16:58:36,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:36,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:36,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:58:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 262 states and 435 transitions. [2022-10-17 16:58:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 435 transitions. [2022-10-17 16:58:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:58:36,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:36,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-17 16:58:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 263 states and 434 transitions. [2022-10-17 16:58:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 434 transitions. [2022-10-17 16:58:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:58:36,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:36,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:58:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 273 states and 466 transitions. [2022-10-17 16:58:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 466 transitions. [2022-10-17 16:58:37,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:58:37,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,235 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-17 16:58:37,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 276 states and 485 transitions. [2022-10-17 16:58:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 485 transitions. [2022-10-17 16:58:37,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:58:37,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 16:58:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 280 states and 508 transitions. [2022-10-17 16:58:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 508 transitions. [2022-10-17 16:58:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:58:38,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:38,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 16:58:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 281 states and 508 transitions. [2022-10-17 16:58:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 508 transitions. [2022-10-17 16:58:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:58:38,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:38,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-17 16:58:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 286 states and 532 transitions. [2022-10-17 16:58:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 532 transitions. [2022-10-17 16:58:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:58:39,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 16:58:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 288 states and 536 transitions. [2022-10-17 16:58:40,060 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 536 transitions. [2022-10-17 16:58:40,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:40,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 16:58:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 290 states and 541 transitions. [2022-10-17 16:58:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 541 transitions. [2022-10-17 16:58:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:40,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,439 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 16:58:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 291 states and 543 transitions. [2022-10-17 16:58:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 543 transitions. [2022-10-17 16:58:40,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:40,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-17 16:58:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 319 states and 662 transitions. [2022-10-17 16:58:43,768 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 662 transitions. [2022-10-17 16:58:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:43,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:43,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-17 16:58:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 337 states and 723 transitions. [2022-10-17 16:58:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 723 transitions. [2022-10-17 16:58:45,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:45,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:45,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-10-17 16:58:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 341 states and 731 transitions. [2022-10-17 16:58:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 731 transitions. [2022-10-17 16:58:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:46,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:46,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-10-17 16:58:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 344 states and 735 transitions. [2022-10-17 16:58:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 735 transitions. [2022-10-17 16:58:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:47,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:47,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:58:48,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 348 states and 761 transitions. [2022-10-17 16:58:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 761 transitions. [2022-10-17 16:58:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:58:48,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:48,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:58:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 350 states and 763 transitions. [2022-10-17 16:58:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 763 transitions. [2022-10-17 16:58:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:58:48,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:48,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:49,064 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 16:58:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 351 states and 765 transitions. [2022-10-17 16:58:49,110 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 765 transitions. [2022-10-17 16:58:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:58:49,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:49,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.