./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/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_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/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_96b3cfa0-739d-4f73-a8a8-646cfea700ae/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 f81c0ae249d872dcfa63b19fa0949c00123fc4e906e065a111b2d70e300e79eb --- 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 10:49:42,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:49:42,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:49:42,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:49:42,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:49:42,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:49:42,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:49:42,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:49:42,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:49:42,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:49:42,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:49:42,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:49:42,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:49:42,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:49:42,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:49:42,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:49:42,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:49:42,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:49:42,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:49:42,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:49:42,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:49:42,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:49:42,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:49:42,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:49:42,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:49:42,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:49:42,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:49:42,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:49:42,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:49:42,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:49:42,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:49:42,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:49:42,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:49:42,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:49:42,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:49:42,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:49:42,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:49:42,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:49:42,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:49:42,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:49:42,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:49:42,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:49:42,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:49:42,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:49:42,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:49:42,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:49:42,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:49:42,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:49:42,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:49:42,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:49:42,959 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:49:42,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:49:42,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:49:42,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:49:42,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:49:42,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:49:42,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:49:42,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:49:42,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:49:42,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:49:42,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:49:42,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:49:42,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:49:42,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:49:42,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:49:42,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:49:42,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:49:42,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:49:42,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:49:42,966 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:49:42,966 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:49:42,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:49:42,967 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_96b3cfa0-739d-4f73-a8a8-646cfea700ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81c0ae249d872dcfa63b19fa0949c00123fc4e906e065a111b2d70e300e79eb [2022-10-17 10:49:43,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:49:43,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:49:43,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:49:43,316 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:49:43,317 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:49:43,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2022-10-17 10:49:43,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/data/83e960d83/fb4c76c4b9fd4a06b5a0394219bf6987/FLAG41e848ec3 [2022-10-17 10:49:44,398 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:49:44,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2022-10-17 10:49:44,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/data/83e960d83/fb4c76c4b9fd4a06b5a0394219bf6987/FLAG41e848ec3 [2022-10-17 10:49:44,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/data/83e960d83/fb4c76c4b9fd4a06b5a0394219bf6987 [2022-10-17 10:49:44,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:49:44,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:49:44,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:49:44,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:49:44,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:49:44,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:49:44" (1/1) ... [2022-10-17 10:49:44,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d369d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:44, skipping insertion in model container [2022-10-17 10:49:44,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:49:44" (1/1) ... [2022-10-17 10:49:44,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:49:44,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:49:47,871 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_96b3cfa0-739d-4f73-a8a8-646cfea700ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i[265142,265155] [2022-10-17 10:49:47,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:49:47,954 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:49:48,364 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_96b3cfa0-739d-4f73-a8a8-646cfea700ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-pktcdvd.ko.cil.out.i[265142,265155] [2022-10-17 10:49:48,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:49:48,497 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:49:48,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48 WrapperNode [2022-10-17 10:49:48,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:49:48,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:49:48,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:49:48,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:49:48,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:48,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:48,825 INFO L138 Inliner]: procedures = 309, calls = 2432, calls flagged for inlining = 139, calls inlined = 90, statements flattened = 3953 [2022-10-17 10:49:48,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:49:48,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:49:48,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:49:48,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:49:48,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:48,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:48,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:48,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:49,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:49,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:49,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:49,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:49,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:49:49,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:49:49,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:49:49,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:49:49,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (1/1) ... [2022-10-17 10:49:49,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:49:49,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:49:49,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:49:49,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b3cfa0-739d-4f73-a8a8-646cfea700ae/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:49:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-17 10:49:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-17 10:49:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 10:49:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 10:49:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_ctl_ioctl [2022-10-17 10:49:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_ctl_ioctl [2022-10-17 10:49:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_release [2022-10-17 10:49:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_release [2022-10-17 10:49:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-10-17 10:49:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-10-17 10:49:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:49:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:49:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_get_disc_info [2022-10-17 10:49:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_get_disc_info [2022-10-17 10:49:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_bio_alloc [2022-10-17 10:49:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_bio_alloc [2022-10-17 10:49:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:49:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:49:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_setup_dev [2022-10-17 10:49:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_setup_dev [2022-10-17 10:49:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-17 10:49:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-17 10:49:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure bdget [2022-10-17 10:49:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bdget [2022-10-17 10:49:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_set_speed [2022-10-17 10:49:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_set_speed [2022-10-17 10:49:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2022-10-17 10:49:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2022-10-17 10:49:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:49:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:49:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_shrink_pktlist [2022-10-17 10:49:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_shrink_pktlist [2022-10-17 10:49:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-17 10:49:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-17 10:49:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-10-17 10:49:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-10-17 10:49:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:49:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:49:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:49:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:49:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2022-10-17 10:49:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2022-10-17 10:49:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-10-17 10:49:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-10-17 10:49:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:49:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:49:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_mode_select [2022-10-17 10:49:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_mode_select [2022-10-17 10:49:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_remove [2022-10-17 10:49:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_remove [2022-10-17 10:49:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-17 10:49:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-17 10:49:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_debugfs_cleanup [2022-10-17 10:49:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_debugfs_cleanup [2022-10-17 10:49:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:49:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:49:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:49:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure bio_init [2022-10-17 10:49:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_init [2022-10-17 10:49:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2022-10-17 10:49:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blocksize [2022-10-17 10:49:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_dump_sense [2022-10-17 10:49:49,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_dump_sense [2022-10-17 10:49:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2022-10-17 10:49:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2022-10-17 10:49:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-10-17 10:49:49,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-10-17 10:49:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:49:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-10-17 10:49:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-10-17 10:49:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_lock_door [2022-10-17 10:49:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_lock_door [2022-10-17 10:49:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_get [2022-10-17 10:49:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_get [2022-10-17 10:49:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_remove_dev [2022-10-17 10:49:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_remove_dev [2022-10-17 10:49:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-10-17 10:49:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-10-17 10:49:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-17 10:49:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-17 10:49:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:49:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-10-17 10:49:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2022-10-17 10:49:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:49:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 10:49:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 10:49:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 10:49:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 10:49:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-10-17 10:49:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-10-17 10:49:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-10-17 10:49:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-10-17 10:49:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:49:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:49:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:49:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:49:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 10:49:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 10:49:49,287 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 10:49:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 10:49:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:49:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:49:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_sysfs_cleanup [2022-10-17 10:49:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_sysfs_cleanup [2022-10-17 10:49:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-10-17 10:49:49,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-10-17 10:49:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_find_dev_from_minor [2022-10-17 10:49:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_find_dev_from_minor [2022-10-17 10:49:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:49:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 10:49:49,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 10:49:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:49:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:49:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:49:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-10-17 10:49:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure init_write_congestion_marks [2022-10-17 10:49:49,291 INFO L138 BoogieDeclarations]: Found implementation of procedure init_write_congestion_marks [2022-10-17 10:49:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:49:49,293 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:49:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:49:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_get_track_info [2022-10-17 10:49:49,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_get_track_info [2022-10-17 10:49:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:49:49,296 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-10-17 10:49:49,297 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-10-17 10:49:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:49:49,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:49:49,299 INFO L130 BoogieDeclarations]: Found specification of procedure new_decode_dev [2022-10-17 10:49:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure new_decode_dev [2022-10-17 10:49:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:49:49,305 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:49:49,305 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_kobj_create [2022-10-17 10:49:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_kobj_create [2022-10-17 10:49:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:49:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:49:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-17 10:49:49,306 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-10-17 10:49:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:49:49,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 10:49:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 10:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-10-17 10:49:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-10-17 10:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:49:49,307 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-10-17 10:49:49,307 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-10-17 10:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure queue_max_segments [2022-10-17 10:49:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_max_segments [2022-10-17 10:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_check_events [2022-10-17 10:49:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_check_events [2022-10-17 10:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure init_cdrom_command [2022-10-17 10:49:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure init_cdrom_command [2022-10-17 10:49:49,308 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 10:49:49,308 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 10:49:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_mode_sense [2022-10-17 10:49:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_mode_sense [2022-10-17 10:49:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-17 10:49:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-10-17 10:49:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_generic_packet [2022-10-17 10:49:49,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_generic_packet [2022-10-17 10:49:49,309 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:49:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:49:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 10:49:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 10:49:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2022-10-17 10:49:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_hw_sectors [2022-10-17 10:49:49,310 INFO L130 BoogieDeclarations]: Found specification of procedure pkt_flush_cache [2022-10-17 10:49:49,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pkt_flush_cache [2022-10-17 10:49:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:49:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:49:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:49:49,311 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:49:49,311 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:49:50,109 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:49:50,114 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:49:50,292 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:50,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-10-17 10:49:50,521 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-10-17 10:49:54,094 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:54,101 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:54,103 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:54,105 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:54,109 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:54,111 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:54,117 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:49:58,622 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2022-10-17 10:49:58,622 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2022-10-17 10:49:58,622 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume !false; [2022-10-17 10:49:58,622 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##281: assume false; [2022-10-17 10:49:58,622 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2022-10-17 10:49:58,622 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##177: assume !false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##176: assume false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume !false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume !false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume false; [2022-10-17 10:49:58,623 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false; [2022-10-17 10:49:58,720 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:49:58,754 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:49:58,755 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:49:58,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:49:58 BoogieIcfgContainer [2022-10-17 10:49:58,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:49:58,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:49:58,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:49:58,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:49:58,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:49:44" (1/3) ... [2022-10-17 10:49:58,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3411eadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:49:58, skipping insertion in model container [2022-10-17 10:49:58,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:49:48" (2/3) ... [2022-10-17 10:49:58,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3411eadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:49:58, skipping insertion in model container [2022-10-17 10:49:58,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:49:58" (3/3) ... [2022-10-17 10:49:58,776 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-pktcdvd.ko.cil.out.i [2022-10-17 10:49:58,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:49:58,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:49:58,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:49:58,936 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;@408e66cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:49:58,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:49:58,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 1194 states, 856 states have (on average 1.3294392523364487) internal successors, (1138), 876 states have internal predecessors, (1138), 257 states have call successors, (257), 79 states have call predecessors, (257), 79 states have return successors, (257), 254 states have call predecessors, (257), 257 states have call successors, (257) [2022-10-17 10:49:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 10:49:58,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:49:58,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:49:58,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:49:58,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:49:58,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1322109639, now seen corresponding path program 1 times [2022-10-17 10:49:58,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:49:58,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486992787] [2022-10-17 10:49:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:49:58,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:49:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:49:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:49:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:49:59,894 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 10:49:59,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:49:59,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486992787] [2022-10-17 10:49:59,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486992787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:49:59,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:49:59,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:49:59,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490029618] [2022-10-17 10:49:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:49:59,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:49:59,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:49:59,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:49:59,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:49:59,958 INFO L87 Difference]: Start difference. First operand has 1194 states, 856 states have (on average 1.3294392523364487) internal successors, (1138), 876 states have internal predecessors, (1138), 257 states have call successors, (257), 79 states have call predecessors, (257), 79 states have return successors, (257), 254 states have call predecessors, (257), 257 states have call successors, (257) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:50:05,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:50:06,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:06,101 INFO L93 Difference]: Finished difference Result 3723 states and 5356 transitions. [2022-10-17 10:50:06,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:50:06,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-10-17 10:50:06,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:50:06,166 INFO L225 Difference]: With dead ends: 3723 [2022-10-17 10:50:06,167 INFO L226 Difference]: Without dead ends: 2511 [2022-10-17 10:50:06,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:50:06,188 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 2130 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 671 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 3922 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 671 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-17 10:50:06,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 3922 Invalid, 1778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [671 Valid, 1106 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-10-17 10:50:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2022-10-17 10:50:06,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2314. [2022-10-17 10:50:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1660 states have (on average 1.3114457831325301) internal successors, (2177), 1693 states have internal predecessors, (2177), 497 states have call successors, (497), 157 states have call predecessors, (497), 156 states have return successors, (498), 489 states have call predecessors, (498), 495 states have call successors, (498) [2022-10-17 10:50:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3172 transitions. [2022-10-17 10:50:06,502 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3172 transitions. Word has length 23 [2022-10-17 10:50:06,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:50:06,503 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 3172 transitions. [2022-10-17 10:50:06,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:50:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3172 transitions. [2022-10-17 10:50:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 10:50:06,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:50:06,520 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:06,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:50:06,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:50:06,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:06,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1781808508, now seen corresponding path program 1 times [2022-10-17 10:50:06,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:06,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992996963] [2022-10-17 10:50:06,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:06,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:50:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:50:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:50:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:50:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-17 10:50:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-17 10:50:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-17 10:50:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-17 10:50:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-17 10:50:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-17 10:50:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-17 10:50:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-17 10:50:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-17 10:50:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-17 10:50:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-17 10:50:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 10:50:07,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:50:07,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992996963] [2022-10-17 10:50:07,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992996963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:50:07,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:50:07,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:50:07,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867416302] [2022-10-17 10:50:07,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:50:07,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:50:07,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:50:07,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:50:07,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:50:07,246 INFO L87 Difference]: Start difference. First operand 2314 states and 3172 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-17 10:50:13,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:50:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:50:15,200 INFO L93 Difference]: Finished difference Result 4811 states and 6660 transitions. [2022-10-17 10:50:15,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:50:15,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 138 [2022-10-17 10:50:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:50:15,223 INFO L225 Difference]: With dead ends: 4811 [2022-10-17 10:50:15,224 INFO L226 Difference]: Without dead ends: 2546 [2022-10-17 10:50:15,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:50:15,234 INFO L413 NwaCegarLoop]: 1536 mSDtfsCounter, 925 mSDsluCounter, 3259 mSDsCounter, 0 mSdLazyCounter, 3289 mSolverCounterSat, 650 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 4795 SdHoareTripleChecker+Invalid, 3940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 3289 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-17 10:50:15,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 4795 Invalid, 3940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [650 Valid, 3289 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-10-17 10:50:15,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2022-10-17 10:50:15,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2314. [2022-10-17 10:50:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 1660 states have (on average 1.310843373493976) internal successors, (2176), 1693 states have internal predecessors, (2176), 497 states have call successors, (497), 157 states have call predecessors, (497), 156 states have return successors, (498), 489 states have call predecessors, (498), 495 states have call successors, (498) [2022-10-17 10:50:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3171 transitions. [2022-10-17 10:50:15,413 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3171 transitions. Word has length 138 [2022-10-17 10:50:15,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:50:15,413 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 3171 transitions. [2022-10-17 10:50:15,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-17 10:50:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3171 transitions. [2022-10-17 10:50:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-17 10:50:15,421 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:50:15,426 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:50:15,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:50:15,426 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:50:15,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:50:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash -852391828, now seen corresponding path program 1 times [2022-10-17 10:50:15,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:50:15,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271907600] [2022-10-17 10:50:15,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:50:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:50:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-17 10:50:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:50:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:50:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:50:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-17 10:50:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat