./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.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_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 --- 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 10:15:56,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:15:56,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:15:56,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:15:56,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:15:56,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:15:56,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:15:56,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:15:56,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:15:56,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:15:56,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:15:56,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:15:56,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:15:56,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:15:56,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:15:56,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:15:56,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:15:56,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:15:56,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:15:56,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:15:56,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:15:56,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:15:56,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:15:56,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:15:56,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:15:56,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:15:56,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:15:56,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:15:56,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:15:56,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:15:56,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:15:56,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:15:56,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:15:56,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:15:56,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:15:56,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:15:56,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:15:56,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:15:56,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:15:56,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:15:56,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:15:56,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:15:57,007 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:15:57,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:15:57,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:15:57,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:15:57,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:15:57,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:15:57,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:15:57,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:15:57,010 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:15:57,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:15:57,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:15:57,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:15:57,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:15:57,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:15:57,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:15:57,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:15:57,011 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:15:57,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:15:57,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:15:57,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:15:57,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:15:57,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:15:57,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:15:57,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:15:57,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:15:57,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:15:57,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:15:57,014 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:15:57,014 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:15:57,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:15:57,014 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_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 [2022-10-17 10:15:57,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:15:57,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:15:57,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:15:57,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:15:57,308 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:15:57,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-10-17 10:15:57,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/data/bacc3db0b/642deb6120ea40e89a2a24b8d2a6290a/FLAG5d6f49280 [2022-10-17 10:15:58,420 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:15:58,422 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-10-17 10:15:58,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/data/bacc3db0b/642deb6120ea40e89a2a24b8d2a6290a/FLAG5d6f49280 [2022-10-17 10:15:58,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/data/bacc3db0b/642deb6120ea40e89a2a24b8d2a6290a [2022-10-17 10:15:58,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:15:58,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:15:58,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:15:58,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:15:58,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:15:58,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:58" (1/1) ... [2022-10-17 10:15:58,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d818873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:15:58, skipping insertion in model container [2022-10-17 10:15:58,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:15:58" (1/1) ... [2022-10-17 10:15:58,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:15:58,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:16:01,685 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_656ce8ff-27e2-41af-906f-dfa9659f4efc/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2022-10-17 10:16:01,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:16:01,887 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:16:02,551 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_656ce8ff-27e2-41af-906f-dfa9659f4efc/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2022-10-17 10:16:02,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:16:02,746 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:16:02,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02 WrapperNode [2022-10-17 10:16:02,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:16:02,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:16:02,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:16:02,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:16:02,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:02,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:03,394 INFO L138 Inliner]: procedures = 326, calls = 4469, calls flagged for inlining = 131, calls inlined = 121, statements flattened = 9217 [2022-10-17 10:16:03,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:16:03,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:16:03,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:16:03,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:16:03,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:03,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:03,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:03,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:03,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:03,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:03,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:04,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:04,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:16:04,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:16:04,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:16:04,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:16:04,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (1/1) ... [2022-10-17 10:16:04,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:16:04,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:16:04,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:16:04,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656ce8ff-27e2-41af-906f-dfa9659f4efc/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:16:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2022-10-17 10:16:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2022-10-17 10:16:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:16:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:16:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-10-17 10:16:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-10-17 10:16:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-10-17 10:16:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-10-17 10:16:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2022-10-17 10:16:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2022-10-17 10:16:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2022-10-17 10:16:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2022-10-17 10:16:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-10-17 10:16:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-10-17 10:16:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_suspend [2022-10-17 10:16:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_suspend [2022-10-17 10:16:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-10-17 10:16:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-10-17 10:16:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2022-10-17 10:16:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2022-10-17 10:16:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_probe [2022-10-17 10:16:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_probe [2022-10-17 10:16:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:16:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:16:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 10:16:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 10:16:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-10-17 10:16:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-10-17 10:16:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2022-10-17 10:16:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2022-10-17 10:16:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2022-10-17 10:16:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2022-10-17 10:16:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-10-17 10:16:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-10-17 10:16:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2022-10-17 10:16:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2022-10-17 10:16:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_reset [2022-10-17 10:16:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_reset [2022-10-17 10:16:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2022-10-17 10:16:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2022-10-17 10:16:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:16:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:16:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:16:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:16:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2022-10-17 10:16:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2022-10-17 10:16:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-10-17 10:16:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-10-17 10:16:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2022-10-17 10:16:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2022-10-17 10:16:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:16:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:16:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:16:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:16:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2022-10-17 10:16:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2022-10-17 10:16:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_resume [2022-10-17 10:16:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_resume [2022-10-17 10:16:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2022-10-17 10:16:04,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2022-10-17 10:16:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-10-17 10:16:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-10-17 10:16:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 10:16:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 10:16:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:16:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:16:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2022-10-17 10:16:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2022-10-17 10:16:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2022-10-17 10:16:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2022-10-17 10:16:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2022-10-17 10:16:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2022-10-17 10:16:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-10-17 10:16:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-10-17 10:16:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-17 10:16:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-17 10:16:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:16:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2022-10-17 10:16:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2022-10-17 10:16:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:16:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:16:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:16:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-10-17 10:16:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-10-17 10:16:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_remove [2022-10-17 10:16:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_remove [2022-10-17 10:16:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure check_ed [2022-10-17 10:16:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ed [2022-10-17 10:16:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2022-10-17 10:16:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2022-10-17 10:16:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2022-10-17 10:16:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2022-10-17 10:16:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:16:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:16:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-10-17 10:16:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-10-17 10:16:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2022-10-17 10:16:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2022-10-17 10:16:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure broken_suspend [2022-10-17 10:16:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_suspend [2022-10-17 10:16:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:16:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2022-10-17 10:16:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2022-10-17 10:16:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_platform_shutdown [2022-10-17 10:16:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_platform_shutdown [2022-10-17 10:16:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:16:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2022-10-17 10:16:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2022-10-17 10:16:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-10-17 10:16:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-10-17 10:16:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-10-17 10:16:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-10-17 10:16:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_remove [2022-10-17 10:16:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_remove [2022-10-17 10:16:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-10-17 10:16:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-10-17 10:16:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:16:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:16:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-10-17 10:16:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-10-17 10:16:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:16:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:16:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:16:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:16:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:16:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:16:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2022-10-17 10:16:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2022-10-17 10:16:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2022-10-17 10:16:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2022-10-17 10:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:16:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-17 10:16:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-17 10:16:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_start [2022-10-17 10:16:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_start [2022-10-17 10:16:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2022-10-17 10:16:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2022-10-17 10:16:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2022-10-17 10:16:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2022-10-17 10:16:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 10:16:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 10:16:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 10:16:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 10:16:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:16:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:16:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2022-10-17 10:16:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2022-10-17 10:16:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2022-10-17 10:16:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2022-10-17 10:16:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 10:16:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 10:16:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:16:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2022-10-17 10:16:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2022-10-17 10:16:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2022-10-17 10:16:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2022-10-17 10:16:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2022-10-17 10:16:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2022-10-17 10:16:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2022-10-17 10:16:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2022-10-17 10:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2022-10-17 10:16:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2022-10-17 10:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2022-10-17 10:16:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2022-10-17 10:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2022-10-17 10:16:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2022-10-17 10:16:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2022-10-17 10:16:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2022-10-17 10:16:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2022-10-17 10:16:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2022-10-17 10:16:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_start [2022-10-17 10:16:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_start [2022-10-17 10:16:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2022-10-17 10:16:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2022-10-17 10:16:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2022-10-17 10:16:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2022-10-17 10:16:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:16:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:16:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2022-10-17 10:16:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2022-10-17 10:16:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-10-17 10:16:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-10-17 10:16:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2022-10-17 10:16:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2022-10-17 10:16:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:16:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2022-10-17 10:16:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2022-10-17 10:16:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2022-10-17 10:16:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2022-10-17 10:16:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:16:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:16:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:16:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:16:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2022-10-17 10:16:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2022-10-17 10:16:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:16:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-10-17 10:16:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-10-17 10:16:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure dl_done_list [2022-10-17 10:16:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure dl_done_list [2022-10-17 10:16:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-10-17 10:16:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-10-17 10:16:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 10:16:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 10:16:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:16:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2022-10-17 10:16:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2022-10-17 10:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-10-17 10:16:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-10-17 10:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:16:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:16:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2022-10-17 10:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2022-10-17 10:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2022-10-17 10:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2022-10-17 10:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2022-10-17 10:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2022-10-17 10:16:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:16:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2022-10-17 10:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2022-10-17 10:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2022-10-17 10:16:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2022-10-17 10:16:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:16:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2022-10-17 10:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2022-10-17 10:16:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-10-17 10:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-10-17 10:16:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:16:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2022-10-17 10:16:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2022-10-17 10:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-10-17 10:16:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-10-17 10:16:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2022-10-17 10:16:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2022-10-17 10:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2022-10-17 10:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2022-10-17 10:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-10-17 10:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-10-17 10:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-17 10:16:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-17 10:16:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2022-10-17 10:16:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2022-10-17 10:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2022-10-17 10:16:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2022-10-17 10:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-10-17 10:16:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-10-17 10:16:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2022-10-17 10:16:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2022-10-17 10:16:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-10-17 10:16:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-10-17 10:16:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:16:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:16:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 10:16:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 10:16:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-10-17 10:16:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-10-17 10:16:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:16:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:16:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2022-10-17 10:16:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2022-10-17 10:16:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2022-10-17 10:16:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2022-10-17 10:16:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:16:04,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:16:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:16:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:16:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2022-10-17 10:16:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2022-10-17 10:16:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_reset [2022-10-17 10:16:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_reset [2022-10-17 10:16:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_shutdown [2022-10-17 10:16:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_shutdown [2022-10-17 10:16:04,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:16:04,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:16:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:16:04,410 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-10-17 10:16:04,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-10-17 10:16:05,615 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:16:05,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:16:17,357 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:16:17,414 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:16:17,415 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 10:16:17,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:16:17 BoogieIcfgContainer [2022-10-17 10:16:17,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:16:17,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:16:17,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:16:17,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:16:17,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:15:58" (1/3) ... [2022-10-17 10:16:17,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fc208e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:16:17, skipping insertion in model container [2022-10-17 10:16:17,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:16:02" (2/3) ... [2022-10-17 10:16:17,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fc208e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:16:17, skipping insertion in model container [2022-10-17 10:16:17,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:16:17" (3/3) ... [2022-10-17 10:16:17,440 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-10-17 10:16:17,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:16:17,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:16:17,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:16:17,673 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@40187248, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:16:17,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:16:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 3516 states, 2534 states have (on average 1.436069455406472) internal successors, (3639), 2605 states have internal predecessors, (3639), 848 states have call successors, (848), 136 states have call predecessors, (848), 136 states have return successors, (848), 839 states have call predecessors, (848), 848 states have call successors, (848) [2022-10-17 10:16:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 10:16:17,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:16:17,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:16:17,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:16:17,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:16:17,716 INFO L85 PathProgramCache]: Analyzing trace with hash -358052195, now seen corresponding path program 1 times [2022-10-17 10:16:17,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:16:17,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415384600] [2022-10-17 10:16:17,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:16:17,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:16:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:16:18,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:16:18,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415384600] [2022-10-17 10:16:18,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415384600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:16:18,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:16:18,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:16:18,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437141732] [2022-10-17 10:16:18,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:16:18,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:16:18,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:16:18,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:16:18,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:16:18,937 INFO L87 Difference]: Start difference. First operand has 3516 states, 2534 states have (on average 1.436069455406472) internal successors, (3639), 2605 states have internal predecessors, (3639), 848 states have call successors, (848), 136 states have call predecessors, (848), 136 states have return successors, (848), 839 states have call predecessors, (848), 848 states have call successors, (848) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:16:19,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:16:19,816 INFO L93 Difference]: Finished difference Result 10492 states and 16246 transitions. [2022-10-17 10:16:19,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:16:19,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-17 10:16:19,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:16:19,932 INFO L225 Difference]: With dead ends: 10492 [2022-10-17 10:16:19,932 INFO L226 Difference]: Without dead ends: 6969 [2022-10-17 10:16:19,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:16:20,002 INFO L413 NwaCegarLoop]: 6969 mSDtfsCounter, 5154 mSDsluCounter, 5179 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5154 SdHoareTripleChecker+Valid, 12148 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:16:20,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5154 Valid, 12148 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:16:20,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2022-10-17 10:16:20,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 6955. [2022-10-17 10:16:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6955 states, 5006 states have (on average 1.3933280063923292) internal successors, (6975), 5140 states have internal predecessors, (6975), 1678 states have call successors, (1678), 271 states have call predecessors, (1678), 270 states have return successors, (1672), 1653 states have call predecessors, (1672), 1672 states have call successors, (1672) [2022-10-17 10:16:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6955 states to 6955 states and 10325 transitions. [2022-10-17 10:16:20,787 INFO L78 Accepts]: Start accepts. Automaton has 6955 states and 10325 transitions. Word has length 14 [2022-10-17 10:16:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:16:20,788 INFO L495 AbstractCegarLoop]: Abstraction has 6955 states and 10325 transitions. [2022-10-17 10:16:20,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:16:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 6955 states and 10325 transitions. [2022-10-17 10:16:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 10:16:20,792 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:16:20,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:16:20,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:16:20,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:16:20,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:16:20,794 INFO L85 PathProgramCache]: Analyzing trace with hash -687216903, now seen corresponding path program 1 times [2022-10-17 10:16:20,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:16:20,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240212715] [2022-10-17 10:16:20,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:16:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:16:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:16:21,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:16:21,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240212715] [2022-10-17 10:16:21,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240212715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:16:21,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:16:21,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:16:21,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818818565] [2022-10-17 10:16:21,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:16:21,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:16:21,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:16:21,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:16:21,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:16:21,315 INFO L87 Difference]: Start difference. First operand 6955 states and 10325 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:16:22,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:16:22,439 INFO L93 Difference]: Finished difference Result 20815 states and 30895 transitions. [2022-10-17 10:16:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:16:22,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-17 10:16:22,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:16:22,588 INFO L225 Difference]: With dead ends: 20815 [2022-10-17 10:16:22,589 INFO L226 Difference]: Without dead ends: 13863 [2022-10-17 10:16:22,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:16:22,642 INFO L413 NwaCegarLoop]: 6437 mSDtfsCounter, 5146 mSDsluCounter, 5173 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5146 SdHoareTripleChecker+Valid, 11610 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:16:22,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5146 Valid, 11610 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:16:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13863 states. [2022-10-17 10:16:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13863 to 13849. [2022-10-17 10:16:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13849 states, 9966 states have (on average 1.3924342765402369) internal successors, (13877), 10230 states have internal predecessors, (13877), 3342 states have call successors, (3342), 541 states have call predecessors, (3342), 540 states have return successors, (3336), 3297 states have call predecessors, (3336), 3336 states have call successors, (3336) [2022-10-17 10:16:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13849 states to 13849 states and 20555 transitions. [2022-10-17 10:16:23,742 INFO L78 Accepts]: Start accepts. Automaton has 13849 states and 20555 transitions. Word has length 16 [2022-10-17 10:16:23,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:16:23,743 INFO L495 AbstractCegarLoop]: Abstraction has 13849 states and 20555 transitions. [2022-10-17 10:16:23,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:16:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 13849 states and 20555 transitions. [2022-10-17 10:16:23,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 10:16:23,746 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:16:23,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:16:23,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:16:23,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:16:23,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:16:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash 360574127, now seen corresponding path program 1 times [2022-10-17 10:16:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:16:23,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856207529] [2022-10-17 10:16:23,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:16:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:16:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:16:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:16:24,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:16:24,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856207529] [2022-10-17 10:16:24,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856207529] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:16:24,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:16:24,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:16:24,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059004101] [2022-10-17 10:16:24,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:16:24,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:16:24,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:16:24,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:16:24,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:16:24,180 INFO L87 Difference]: Start difference. First operand 13849 states and 20555 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)