./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.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_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/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_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/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_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/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 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b --- 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 16:31:03,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:03,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:03,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:03,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:03,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:03,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:03,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:03,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:03,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:03,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:03,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:03,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:03,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:03,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:03,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:03,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:03,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:03,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:03,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:03,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:03,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:03,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:03,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:03,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:03,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:03,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:03,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:03,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:03,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:03,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:03,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:03,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:03,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:03,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:03,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:03,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:03,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:03,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:03,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:03,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:03,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:31:03,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:03,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:03,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:03,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:03,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:03,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:03,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:03,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:03,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:03,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:03,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:03,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:03,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:03,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:03,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:03,797 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:03,797 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:03,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:03,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:03,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:03,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:03,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:03,799 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:03,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:03,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:03,799 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_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acbab6b9aaee88273e5c2573b1301b2b4d4059e0d0ec0927c600e9ad855395b [2022-10-17 16:31:04,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:04,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:04,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:04,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:04,159 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:04,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2022-10-17 16:31:04,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/data/b5af158fd/10fb691bbb6f4bc4ad7134905a5c2195/FLAG23ce87d1c [2022-10-17 16:31:05,165 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:05,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2022-10-17 16:31:05,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/data/b5af158fd/10fb691bbb6f4bc4ad7134905a5c2195/FLAG23ce87d1c [2022-10-17 16:31:05,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/data/b5af158fd/10fb691bbb6f4bc4ad7134905a5c2195 [2022-10-17 16:31:05,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:05,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:05,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:05,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:05,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:05,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:05" (1/1) ... [2022-10-17 16:31:05,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393b1415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:05, skipping insertion in model container [2022-10-17 16:31:05,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:05" (1/1) ... [2022-10-17 16:31:05,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:05,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:06,653 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_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2022-10-17 16:31:06,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:06,923 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:07,195 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_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i[185252,185265] [2022-10-17 16:31:07,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:07,316 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:07,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07 WrapperNode [2022-10-17 16:31:07,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:07,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:07,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:07,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:07,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,484 INFO L138 Inliner]: procedures = 117, calls = 568, calls flagged for inlining = 30, calls inlined = 25, statements flattened = 1081 [2022-10-17 16:31:07,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:07,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:07,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:07,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:07,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:07,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:07,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:07,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:07,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:07,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:07,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:07,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70ac61bc-6c13-4729-a11d-13d7bf65bf9f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:31:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:31:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:31:07,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 16:31:07,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 16:31:07,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2022-10-17 16:31:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2022-10-17 16:31:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-10-17 16:31:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-10-17 16:31:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:31:07,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:31:07,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 16:31:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 16:31:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:31:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:31:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:31:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2022-10-17 16:31:07,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2022-10-17 16:31:07,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 16:31:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 16:31:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:31:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:31:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2022-10-17 16:31:07,724 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2022-10-17 16:31:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:07,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:07,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:08,209 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:08,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:08,330 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:31:09,356 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:09,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:09,543 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:31:09,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:09 BoogieIcfgContainer [2022-10-17 16:31:09,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:09,548 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:09,548 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:09,558 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:09,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 145 states and 214 transitions. [2022-10-17 16:31:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 214 transitions. [2022-10-17 16:31:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:31:09,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:09,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 152 states and 251 transitions. [2022-10-17 16:31:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 251 transitions. [2022-10-17 16:31:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:31:11,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 155 states and 285 transitions. [2022-10-17 16:31:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 285 transitions. [2022-10-17 16:31:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:31:11,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:11,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 156 states and 285 transitions. [2022-10-17 16:31:12,171 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 285 transitions. [2022-10-17 16:31:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:31:12,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:12,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 16:31:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 286 transitions. [2022-10-17 16:31:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 286 transitions. [2022-10-17 16:31:12,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:31:12,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-10-17 16:31:13,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:13,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 158 states and 287 transitions. [2022-10-17 16:31:13,039 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 287 transitions. [2022-10-17 16:31:13,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:31:13,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:13,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 160 states and 290 transitions. [2022-10-17 16:31:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 290 transitions. [2022-10-17 16:31:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:31:13,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:13,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 162 states and 293 transitions. [2022-10-17 16:31:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 293 transitions. [2022-10-17 16:31:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:31:13,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 167 states and 329 transitions. [2022-10-17 16:31:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 329 transitions. [2022-10-17 16:31:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:31:14,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:14,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 171 states and 363 transitions. [2022-10-17 16:31:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 363 transitions. [2022-10-17 16:31:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:31:14,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:31:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 173 states and 366 transitions. [2022-10-17 16:31:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 366 transitions. [2022-10-17 16:31:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:31:15,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:31:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 175 states and 369 transitions. [2022-10-17 16:31:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 369 transitions. [2022-10-17 16:31:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:31:15,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 178 states and 374 transitions. [2022-10-17 16:31:15,738 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 374 transitions. [2022-10-17 16:31:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:31:15,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 179 states and 374 transitions. [2022-10-17 16:31:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 374 transitions. [2022-10-17 16:31:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:31:16,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:16,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:16,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 180 states and 374 transitions. [2022-10-17 16:31:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 374 transitions. [2022-10-17 16:31:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:31:16,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 182 states and 376 transitions. [2022-10-17 16:31:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 376 transitions. [2022-10-17 16:31:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-17 16:31:16,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-10-17 16:31:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 196 states and 433 transitions. [2022-10-17 16:31:17,455 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 433 transitions. [2022-10-17 16:31:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:31:17,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:17,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 199 states and 437 transitions. [2022-10-17 16:31:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 437 transitions. [2022-10-17 16:31:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:31:17,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:17,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 16:31:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 201 states and 440 transitions. [2022-10-17 16:31:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 440 transitions. [2022-10-17 16:31:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:31:18,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 203 states and 443 transitions. [2022-10-17 16:31:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 443 transitions. [2022-10-17 16:31:18,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:31:18,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 210 states and 484 transitions. [2022-10-17 16:31:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 484 transitions. [2022-10-17 16:31:19,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:31:19,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 209 states and 476 transitions. [2022-10-17 16:31:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 476 transitions. [2022-10-17 16:31:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:31:19,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-10-17 16:31:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 224 states and 534 transitions. [2022-10-17 16:31:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 534 transitions. [2022-10-17 16:31:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:31:21,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:21,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 223 states and 525 transitions. [2022-10-17 16:31:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 525 transitions. [2022-10-17 16:31:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 16:31:21,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:21,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 225 states and 528 transitions. [2022-10-17 16:31:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 528 transitions. [2022-10-17 16:31:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:31:21,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:21,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 233 states and 570 transitions. [2022-10-17 16:31:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 570 transitions. [2022-10-17 16:31:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:31:22,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 16:31:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 234 states and 570 transitions. [2022-10-17 16:31:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 570 transitions. [2022-10-17 16:31:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:31:23,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:23,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-10-17 16:31:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 250 states and 629 transitions. [2022-10-17 16:31:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 629 transitions. [2022-10-17 16:31:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:31:25,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:25,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-10-17 16:31:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 259 states and 674 transitions. [2022-10-17 16:31:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 674 transitions. [2022-10-17 16:31:26,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 16:31:26,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:26,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,120 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 16:31:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 261 states and 682 transitions. [2022-10-17 16:31:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 682 transitions. [2022-10-17 16:31:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-17 16:31:27,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-10-17 16:31:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 262 states and 682 transitions. [2022-10-17 16:31:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 682 transitions. [2022-10-17 16:31:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 16:31:27,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 263 states and 682 transitions. [2022-10-17 16:31:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 682 transitions. [2022-10-17 16:31:27,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-17 16:31:27,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-10-17 16:31:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:29,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 280 states and 743 transitions. [2022-10-17 16:31:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 743 transitions. [2022-10-17 16:31:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:31:29,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:29,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:30,159 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-10-17 16:31:30,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 281 states and 745 transitions. [2022-10-17 16:31:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 745 transitions. [2022-10-17 16:31:30,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 16:31:30,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-10-17 16:31:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:30,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 282 states and 745 transitions. [2022-10-17 16:31:30,809 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 745 transitions. [2022-10-17 16:31:30,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:31:30,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 16:31:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 285 states and 757 transitions. [2022-10-17 16:31:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 757 transitions. [2022-10-17 16:31:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:31:31,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked.