./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y --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 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:11:19,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:11:19,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:11:19,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:11:19,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:11:19,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:11:19,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:11:19,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:11:19,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:11:19,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:11:19,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:11:19,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:11:19,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:11:19,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:11:19,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:11:19,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:11:19,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:11:19,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:11:19,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:11:19,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:11:19,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:11:19,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:11:19,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:11:19,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:11:19,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:11:19,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:11:19,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:11:19,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:11:19,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:11:19,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:11:19,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:11:19,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:11:19,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:11:19,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:11:19,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:11:19,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:11:19,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:11:19,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:11:19,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:11:19,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:11:19,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:11:19,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:11:19,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:11:19,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:11:19,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:11:19,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:11:19,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:11:19,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:11:19,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:11:19,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:11:19,976 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:11:19,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:11:19,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:11:19,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:11:19,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:11:19,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:11:19,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:11:19,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:11:19,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:11:19,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:11:19,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:11:19,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:11:19,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:11:19,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:11:19,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:11:19,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:11:19,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:11:19,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:11:19,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:11:19,981 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:11:19,981 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:11:19,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:11:19,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:11:19,982 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_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2021-11-13 18:11:20,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:11:20,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:11:20,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:11:20,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:11:20,335 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:11:20,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-11-13 18:11:20,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/data/6ff4cf1cf/d810dbba57364fb0807c5ac9e5f14e13/FLAG3af02b675 [2021-11-13 18:11:21,183 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:11:21,186 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-11-13 18:11:21,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/data/6ff4cf1cf/d810dbba57364fb0807c5ac9e5f14e13/FLAG3af02b675 [2021-11-13 18:11:21,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/data/6ff4cf1cf/d810dbba57364fb0807c5ac9e5f14e13 [2021-11-13 18:11:21,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:11:21,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:11:21,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:11:21,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:11:21,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:11:21,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:11:21" (1/1) ... [2021-11-13 18:11:21,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1748f8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:21, skipping insertion in model container [2021-11-13 18:11:21,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:11:21" (1/1) ... [2021-11-13 18:11:21,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:11:21,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:11:22,175 WARN L228 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_a27d8005-ce7b-495e-a6ce-c830843d8ebd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-11-13 18:11:22,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:11:22,284 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:11:22,425 WARN L228 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_a27d8005-ce7b-495e-a6ce-c830843d8ebd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-11-13 18:11:22,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:11:22,464 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:11:22,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22 WrapperNode [2021-11-13 18:11:22,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:11:22,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:11:22,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:11:22,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:11:22,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:11:22,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:11:22,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:11:22,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:11:22,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:11:22,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:11:22,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:11:22,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:11:22,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (1/1) ... [2021-11-13 18:11:22,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:11:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:11:22,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:11:22,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:11:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:11:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:11:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:11:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:11:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:11:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:11:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2021-11-13 18:11:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2021-11-13 18:11:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:11:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:11:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2021-11-13 18:11:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2021-11-13 18:11:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:11:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 18:11:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 18:11:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:11:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:11:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:11:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:11:22,853 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-13 18:11:22,853 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-13 18:11:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:11:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:11:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-13 18:11:22,854 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-13 18:11:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:11:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:11:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-13 18:11:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-13 18:11:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:11:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:11:23,375 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:11:24,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:11:24,015 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:11:24,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:11:24 BoogieIcfgContainer [2021-11-13 18:11:24,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:11:24,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:11:24,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:11:24,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:11:24,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:11:21" (1/3) ... [2021-11-13 18:11:24,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34cd0f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:11:24, skipping insertion in model container [2021-11-13 18:11:24,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:11:22" (2/3) ... [2021-11-13 18:11:24,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34cd0f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:11:24, skipping insertion in model container [2021-11-13 18:11:24,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:11:24" (3/3) ... [2021-11-13 18:11:24,030 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-11-13 18:11:24,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:11:24,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:11:24,153 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:11:24,166 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:11:24,167 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:11:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-13 18:11:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 18:11:24,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:11:24,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:11:24,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:11:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:11:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1680540957, now seen corresponding path program 1 times [2021-11-13 18:11:24,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:11:24,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44603969] [2021-11-13 18:11:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:11:24,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:11:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-13 18:11:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:11:24,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:11:24,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44603969] [2021-11-13 18:11:24,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44603969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:11:24,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:11:24,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:11:24,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772169973] [2021-11-13 18:11:24,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:11:24,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:11:24,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:11:24,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:11:24,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:11:24,779 INFO L87 Difference]: Start difference. First operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:11:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:11:24,944 INFO L93 Difference]: Finished difference Result 273 states and 358 transitions. [2021-11-13 18:11:24,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:11:24,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-11-13 18:11:24,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:11:24,960 INFO L225 Difference]: With dead ends: 273 [2021-11-13 18:11:24,961 INFO L226 Difference]: Without dead ends: 136 [2021-11-13 18:11:24,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:11:24,971 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 134 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.20ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.28ms IncrementalHoareTripleChecker+Time [2021-11-13 18:11:24,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 194 Invalid, 16 Unknown, 0 Unchecked, 10.20ms Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 65.28ms Time] [2021-11-13 18:11:24,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-11-13 18:11:25,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-11-13 18:11:25,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 104 states have (on average 1.2115384615384615) internal successors, (126), 104 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-13 18:11:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 169 transitions. [2021-11-13 18:11:25,045 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 169 transitions. Word has length 20 [2021-11-13 18:11:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:11:25,046 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 169 transitions. [2021-11-13 18:11:25,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:11:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 169 transitions. [2021-11-13 18:11:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 18:11:25,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:11:25,050 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2021-11-13 18:11:25,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:11:25,051 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:11:25,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:11:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1835050372, now seen corresponding path program 1 times [2021-11-13 18:11:25,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:11:25,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53573387] [2021-11-13 18:11:25,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:11:25,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:11:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-13 18:11:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 18:11:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-13 18:11:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:11:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 18:11:25,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:11:25,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53573387] [2021-11-13 18:11:25,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53573387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:11:25,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:11:25,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:11:25,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064551393] [2021-11-13 18:11:25,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:11:25,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:11:25,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:11:25,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:11:25,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:11:25,429 INFO L87 Difference]: Start difference. First operand 136 states and 169 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-13 18:11:25,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:11:25,785 INFO L93 Difference]: Finished difference Result 285 states and 356 transitions. [2021-11-13 18:11:25,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:11:25,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2021-11-13 18:11:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:11:25,791 INFO L225 Difference]: With dead ends: 285 [2021-11-13 18:11:25,791 INFO L226 Difference]: Without dead ends: 152 [2021-11-13 18:11:25,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:11:25,794 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 32 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 199.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.76ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 274.52ms IncrementalHoareTripleChecker+Time [2021-11-13 18:11:25,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 489 Invalid, 104 Unknown, 0 Unchecked, 11.76ms Time], IncrementalHoareTripleChecker [24 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 274.52ms Time] [2021-11-13 18:11:25,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-13 18:11:25,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 139. [2021-11-13 18:11:25,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.205607476635514) internal successors, (129), 107 states have internal predecessors, (129), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-13 18:11:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 172 transitions. [2021-11-13 18:11:25,851 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 172 transitions. Word has length 48 [2021-11-13 18:11:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:11:25,851 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 172 transitions. [2021-11-13 18:11:25,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-13 18:11:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 172 transitions. [2021-11-13 18:11:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 18:11:25,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:11:25,863 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2021-11-13 18:11:25,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:11:25,863 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:11:25,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:11:25,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1777792070, now seen corresponding path program 1 times [2021-11-13 18:11:25,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:11:25,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697265237] [2021-11-13 18:11:25,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:11:25,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:11:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-13 18:11:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 18:11:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:11:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-13 18:11:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:11:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:11:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 18:11:26,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:11:26,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697265237] [2021-11-13 18:11:26,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697265237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:11:26,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:11:26,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:11:26,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051971813] [2021-11-13 18:11:26,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:11:26,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:11:26,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:11:26,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:11:26,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:11:26,138 INFO L87 Difference]: Start difference. First operand 139 states and 172 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 18:11:26,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:11:26,358 INFO L93 Difference]: Finished difference Result 147 states and 184 transitions. [2021-11-13 18:11:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:11:26,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2021-11-13 18:11:26,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:11:26,360 INFO L225 Difference]: With dead ends: 147 [2021-11-13 18:11:26,360 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:11:26,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:11:26,375 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 137 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.70ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.25ms IncrementalHoareTripleChecker+Time [2021-11-13 18:11:26,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 232 Invalid, 57 Unknown, 0 Unchecked, 8.70ms Time], IncrementalHoareTripleChecker [25 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 150.25ms Time] [2021-11-13 18:11:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:11:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:11:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:11:26,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:11:26,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-11-13 18:11:26,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:11:26,383 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:11:26,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-13 18:11:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:11:26,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:11:26,387 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:11:26,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:11:26,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 18:11:26,861 INFO L858 garLoopResultBuilder]: For program point iounmapEXIT(lines 3207 3209) no Hoare annotation was computed. [2021-11-13 18:11:26,861 INFO L861 garLoopResultBuilder]: At program point iounmapENTRY(lines 3207 3209) the Hoare annotation is: true [2021-11-13 18:11:26,861 INFO L858 garLoopResultBuilder]: For program point iounmapFINAL(lines 3207 3209) no Hoare annotation was computed. [2021-11-13 18:11:26,862 INFO L858 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2021-11-13 18:11:26,862 INFO L858 garLoopResultBuilder]: For program point do_map_probeEXIT(lines 3201 3203) no Hoare annotation was computed. [2021-11-13 18:11:26,862 INFO L854 garLoopResultBuilder]: At program point do_map_probeENTRY(lines 3201 3203) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-13 18:11:26,862 INFO L854 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-13 18:11:26,862 INFO L858 garLoopResultBuilder]: For program point do_map_probeFINAL(lines 3201 3203) no Hoare annotation was computed. [2021-11-13 18:11:26,863 INFO L858 garLoopResultBuilder]: For program point inlEXIT(lines 2761 2768) no Hoare annotation was computed. [2021-11-13 18:11:26,863 INFO L861 garLoopResultBuilder]: At program point inlENTRY(lines 2761 2768) the Hoare annotation is: true [2021-11-13 18:11:26,863 INFO L858 garLoopResultBuilder]: For program point inlFINAL(lines 2761 2768) no Hoare annotation was computed. [2021-11-13 18:11:26,863 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2774 2776) the Hoare annotation is: true [2021-11-13 18:11:26,863 INFO L858 garLoopResultBuilder]: For program point L2775(line 2775) no Hoare annotation was computed. [2021-11-13 18:11:26,864 INFO L858 garLoopResultBuilder]: For program point L2775-2(lines 2774 2776) no Hoare annotation was computed. [2021-11-13 18:11:26,864 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2774 2776) no Hoare annotation was computed. [2021-11-13 18:11:26,864 INFO L861 garLoopResultBuilder]: At program point outlENTRY(lines 2754 2760) the Hoare annotation is: true [2021-11-13 18:11:26,864 INFO L858 garLoopResultBuilder]: For program point outlEXIT(lines 2754 2760) no Hoare annotation was computed. [2021-11-13 18:11:26,864 INFO L858 garLoopResultBuilder]: For program point outlFINAL(lines 2754 2760) no Hoare annotation was computed. [2021-11-13 18:11:26,864 INFO L858 garLoopResultBuilder]: For program point L2784(lines 2784 2791) no Hoare annotation was computed. [2021-11-13 18:11:26,865 INFO L854 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2777 2793) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-13 18:11:26,865 INFO L858 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2777 2793) no Hoare annotation was computed. [2021-11-13 18:11:26,865 INFO L858 garLoopResultBuilder]: For program point L2789-1(line 2789) no Hoare annotation was computed. [2021-11-13 18:11:26,865 INFO L861 garLoopResultBuilder]: At program point L2789(line 2789) the Hoare annotation is: true [2021-11-13 18:11:26,865 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2777 2793) no Hoare annotation was computed. [2021-11-13 18:11:26,866 INFO L858 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 3085 3091) no Hoare annotation was computed. [2021-11-13 18:11:26,866 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 3085 3091) the Hoare annotation is: true [2021-11-13 18:11:26,866 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3089) no Hoare annotation was computed. [2021-11-13 18:11:26,866 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 3085 3091) no Hoare annotation was computed. [2021-11-13 18:11:26,866 INFO L854 garLoopResultBuilder]: At program point L3248(line 3248) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-13 18:11:26,867 INFO L858 garLoopResultBuilder]: For program point pci_get_deviceEXIT(lines 3247 3249) no Hoare annotation was computed. [2021-11-13 18:11:26,867 INFO L858 garLoopResultBuilder]: For program point L3248-1(line 3248) no Hoare annotation was computed. [2021-11-13 18:11:26,867 INFO L854 garLoopResultBuilder]: At program point pci_get_deviceENTRY(lines 3247 3249) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-13 18:11:26,867 INFO L858 garLoopResultBuilder]: For program point pci_get_deviceFINAL(lines 3247 3249) no Hoare annotation was computed. [2021-11-13 18:11:26,867 INFO L861 garLoopResultBuilder]: At program point pci_dev_putENTRY(lines 3244 3246) the Hoare annotation is: true [2021-11-13 18:11:26,868 INFO L858 garLoopResultBuilder]: For program point pci_dev_putEXIT(lines 3244 3246) no Hoare annotation was computed. [2021-11-13 18:11:26,868 INFO L858 garLoopResultBuilder]: For program point pci_dev_putFINAL(lines 3244 3246) no Hoare annotation was computed. [2021-11-13 18:11:26,868 INFO L858 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2846 2852) no Hoare annotation was computed. [2021-11-13 18:11:26,868 INFO L861 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 2846 2852) the Hoare annotation is: true [2021-11-13 18:11:26,868 INFO L858 garLoopResultBuilder]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2021-11-13 18:11:26,868 INFO L861 garLoopResultBuilder]: At program point L3075(line 3075) the Hoare annotation is: true [2021-11-13 18:11:26,869 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 18:11:26,869 INFO L854 garLoopResultBuilder]: At program point L2877(lines 2871 2879) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,869 INFO L858 garLoopResultBuilder]: For program point L3043(lines 3043 3069) no Hoare annotation was computed. [2021-11-13 18:11:26,869 INFO L858 garLoopResultBuilder]: For program point L2961(lines 2961 2966) no Hoare annotation was computed. [2021-11-13 18:11:26,869 INFO L854 garLoopResultBuilder]: At program point L2895(lines 2889 2897) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,870 INFO L854 garLoopResultBuilder]: At program point L3242(lines 3241 3243) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,870 INFO L858 garLoopResultBuilder]: For program point L3044(line 3044) no Hoare annotation was computed. [2021-11-13 18:11:26,871 INFO L854 garLoopResultBuilder]: At program point L3077(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-11-13 18:11:26,872 INFO L854 garLoopResultBuilder]: At program point L3226(lines 3225 3227) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,872 INFO L854 garLoopResultBuilder]: At program point L3061(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-11-13 18:11:26,872 INFO L858 garLoopResultBuilder]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2021-11-13 18:11:26,872 INFO L858 garLoopResultBuilder]: For program point L2929-2(lines 2920 2934) no Hoare annotation was computed. [2021-11-13 18:11:26,873 INFO L858 garLoopResultBuilder]: For program point L3045(lines 3045 3050) no Hoare annotation was computed. [2021-11-13 18:11:26,873 INFO L858 garLoopResultBuilder]: For program point L2979-1(line 2979) no Hoare annotation was computed. [2021-11-13 18:11:26,873 INFO L854 garLoopResultBuilder]: At program point L2979(line 2979) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,873 INFO L858 garLoopResultBuilder]: For program point L2963-1(line 2963) no Hoare annotation was computed. [2021-11-13 18:11:26,874 INFO L854 garLoopResultBuilder]: At program point L2930(line 2930) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,874 INFO L854 garLoopResultBuilder]: At program point L2963(line 2963) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,874 INFO L858 garLoopResultBuilder]: For program point L2930-1(line 2930) no Hoare annotation was computed. [2021-11-13 18:11:26,874 INFO L854 garLoopResultBuilder]: At program point L3211(lines 3210 3212) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-11-13 18:11:26,875 INFO L858 garLoopResultBuilder]: For program point L3013-1(line 3013) no Hoare annotation was computed. [2021-11-13 18:11:26,875 INFO L854 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,875 INFO L858 garLoopResultBuilder]: For program point L2931-1(line 2931) no Hoare annotation was computed. [2021-11-13 18:11:26,876 INFO L854 garLoopResultBuilder]: At program point L2931(line 2931) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,876 INFO L854 garLoopResultBuilder]: At program point L3014(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,876 INFO L858 garLoopResultBuilder]: For program point L2981(lines 2981 2988) no Hoare annotation was computed. [2021-11-13 18:11:26,876 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 18:11:26,877 INFO L854 garLoopResultBuilder]: At program point L3196(lines 3195 3197) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,877 INFO L854 garLoopResultBuilder]: At program point L2734(lines 2730 2736) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,877 INFO L861 garLoopResultBuilder]: At program point L3081(lines 3029 3083) the Hoare annotation is: true [2021-11-13 18:11:26,877 INFO L854 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,878 INFO L854 garLoopResultBuilder]: At program point L2982-1(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,878 INFO L854 garLoopResultBuilder]: At program point L3230(lines 3229 3231) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,878 INFO L854 garLoopResultBuilder]: At program point L2751(lines 2746 2753) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,879 INFO L854 garLoopResultBuilder]: At program point L3214(lines 3213 3215) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-11-13 18:11:26,879 INFO L858 garLoopResultBuilder]: For program point L2983(line 2983) no Hoare annotation was computed. [2021-11-13 18:11:26,879 INFO L854 garLoopResultBuilder]: At program point L3000(line 3000) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,879 INFO L858 garLoopResultBuilder]: For program point L3000-1(line 3000) no Hoare annotation was computed. [2021-11-13 18:11:26,879 INFO L854 garLoopResultBuilder]: At program point L2868(lines 2862 2870) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,880 INFO L858 garLoopResultBuilder]: For program point L2951-1(line 2951) no Hoare annotation was computed. [2021-11-13 18:11:26,880 INFO L854 garLoopResultBuilder]: At program point L2951(line 2951) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,880 INFO L854 garLoopResultBuilder]: At program point L3199(lines 3198 3200) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,881 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 18:11:26,881 INFO L858 garLoopResultBuilder]: For program point L3067(line 3067) no Hoare annotation was computed. [2021-11-13 18:11:26,881 INFO L858 garLoopResultBuilder]: For program point L3001(lines 3001 3005) no Hoare annotation was computed. [2021-11-13 18:11:26,881 INFO L858 garLoopResultBuilder]: For program point L3001-2(lines 2950 3015) no Hoare annotation was computed. [2021-11-13 18:11:26,881 INFO L854 garLoopResultBuilder]: At program point L2952(line 2952) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,882 INFO L858 garLoopResultBuilder]: For program point L2985-1(line 2985) no Hoare annotation was computed. [2021-11-13 18:11:26,882 INFO L854 garLoopResultBuilder]: At program point L2985(line 2985) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,882 INFO L854 garLoopResultBuilder]: At program point L2886(lines 2880 2888) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,882 INFO L858 garLoopResultBuilder]: For program point L2952-1(line 2952) no Hoare annotation was computed. [2021-11-13 18:11:26,883 INFO L861 garLoopResultBuilder]: At program point L3068(line 3068) the Hoare annotation is: true [2021-11-13 18:11:26,883 INFO L854 garLoopResultBuilder]: At program point L2936(lines 2911 2938) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,883 INFO L858 garLoopResultBuilder]: For program point L3052(line 3052) no Hoare annotation was computed. [2021-11-13 18:11:26,883 INFO L858 garLoopResultBuilder]: For program point L2953-1(lines 2950 3015) no Hoare annotation was computed. [2021-11-13 18:11:26,884 INFO L858 garLoopResultBuilder]: For program point L2920(lines 2920 2934) no Hoare annotation was computed. [2021-11-13 18:11:26,884 INFO L854 garLoopResultBuilder]: At program point L2953(line 2953) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,884 INFO L854 garLoopResultBuilder]: At program point L3234(lines 3233 3235) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,884 INFO L858 garLoopResultBuilder]: For program point L2970(lines 2970 2990) no Hoare annotation was computed. [2021-11-13 18:11:26,885 INFO L858 garLoopResultBuilder]: For program point L3003-1(line 3003) no Hoare annotation was computed. [2021-11-13 18:11:26,885 INFO L854 garLoopResultBuilder]: At program point L3003(line 3003) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,885 INFO L858 garLoopResultBuilder]: For program point L2970-2(lines 2970 2990) no Hoare annotation was computed. [2021-11-13 18:11:26,885 INFO L854 garLoopResultBuilder]: At program point L3218(lines 3217 3219) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,886 INFO L858 garLoopResultBuilder]: For program point L3053(lines 3053 3065) no Hoare annotation was computed. [2021-11-13 18:11:26,886 INFO L858 garLoopResultBuilder]: For program point L2922(lines 2922 2926) no Hoare annotation was computed. [2021-11-13 18:11:26,886 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 18:11:26,886 INFO L861 garLoopResultBuilder]: At program point L3187-1(lines 3184 3193) the Hoare annotation is: true [2021-11-13 18:11:26,887 INFO L858 garLoopResultBuilder]: For program point L3187(lines 3187 3190) no Hoare annotation was computed. [2021-11-13 18:11:26,887 INFO L854 garLoopResultBuilder]: At program point L3022(line 3022) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-11-13 18:11:26,887 INFO L858 garLoopResultBuilder]: For program point L3055(lines 3055 3058) no Hoare annotation was computed. [2021-11-13 18:11:26,887 INFO L854 garLoopResultBuilder]: At program point L2956(line 2956) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,888 INFO L858 garLoopResultBuilder]: For program point L3022-1(line 3022) no Hoare annotation was computed. [2021-11-13 18:11:26,888 INFO L858 garLoopResultBuilder]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2021-11-13 18:11:26,888 INFO L858 garLoopResultBuilder]: For program point L2923-1(line 2923) no Hoare annotation was computed. [2021-11-13 18:11:26,888 INFO L858 garLoopResultBuilder]: For program point L2956-1(line 2956) no Hoare annotation was computed. [2021-11-13 18:11:26,889 INFO L854 garLoopResultBuilder]: At program point L2923(line 2923) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,889 INFO L858 garLoopResultBuilder]: For program point L3039(lines 3039 3076) no Hoare annotation was computed. [2021-11-13 18:11:26,889 INFO L854 garLoopResultBuilder]: At program point L3188(line 3188) the Hoare annotation is: false [2021-11-13 18:11:26,889 INFO L854 garLoopResultBuilder]: At program point L3023(lines 3017 3025) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-11-13 18:11:26,890 INFO L854 garLoopResultBuilder]: At program point L2924(line 2924) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,890 INFO L858 garLoopResultBuilder]: For program point L2924-1(line 2924) no Hoare annotation was computed. [2021-11-13 18:11:26,890 INFO L854 garLoopResultBuilder]: At program point L3238(lines 3237 3239) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,890 INFO L858 garLoopResultBuilder]: For program point L3205-1(line 3205) no Hoare annotation was computed. [2021-11-13 18:11:26,891 INFO L854 garLoopResultBuilder]: At program point L3205(line 3205) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,891 INFO L854 garLoopResultBuilder]: At program point L3205-2(lines 3204 3206) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,891 INFO L858 garLoopResultBuilder]: For program point L3040(line 3040) no Hoare annotation was computed. [2021-11-13 18:11:26,891 INFO L854 garLoopResultBuilder]: At program point L3222(lines 3221 3223) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-11-13 18:11:26,892 INFO L854 garLoopResultBuilder]: At program point L3255(lines 3254 3256) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,892 INFO L854 garLoopResultBuilder]: At program point L2743(lines 2739 2745) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,892 INFO L854 garLoopResultBuilder]: At program point L2727(lines 2724 2729) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-11-13 18:11:26,893 INFO L858 garLoopResultBuilder]: For program point L3074(line 3074) no Hoare annotation was computed. [2021-11-13 18:11:26,897 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-13 18:11:26,899 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:11:26,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:11:26 BoogieIcfgContainer [2021-11-13 18:11:26,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:11:26,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:11:26,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:11:26,921 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:11:26,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:11:24" (3/4) ... [2021-11-13 18:11:26,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:11:26,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2021-11-13 18:11:26,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-13 18:11:26,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2021-11-13 18:11:26,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-13 18:11:26,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2021-11-13 18:11:26,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inl [2021-11-13 18:11:26,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2021-11-13 18:11:26,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2021-11-13 18:11:26,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-13 18:11:26,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outl [2021-11-13 18:11:26,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2021-11-13 18:11:26,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-13 18:11:26,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-13 18:11:26,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:11:26,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:11:27,073 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:11:27,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:11:27,074 INFO L158 Benchmark]: Toolchain (without parser) took 5741.86ms. Allocated memory was 111.1MB in the beginning and 159.4MB in the end (delta: 48.2MB). Free memory was 89.8MB in the beginning and 95.8MB in the end (delta: -6.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-11-13 18:11:27,074 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:11:27,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1126.19ms. Allocated memory is still 111.1MB. Free memory was 89.8MB in the beginning and 34.2MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-11-13 18:11:27,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.39ms. Allocated memory is still 111.1MB. Free memory was 34.2MB in the beginning and 83.1MB in the end (delta: -48.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-13 18:11:27,076 INFO L158 Benchmark]: Boogie Preprocessor took 128.82ms. Allocated memory is still 111.1MB. Free memory was 82.4MB in the beginning and 79.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:11:27,076 INFO L158 Benchmark]: RCFGBuilder took 1267.78ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 38.5MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-13 18:11:27,077 INFO L158 Benchmark]: TraceAbstraction took 2900.20ms. Allocated memory was 111.1MB in the beginning and 159.4MB in the end (delta: 48.2MB). Free memory was 38.4MB in the beginning and 108.4MB in the end (delta: -70.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-13 18:11:27,077 INFO L158 Benchmark]: Witness Printer took 152.33ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 95.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 18:11:27,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1126.19ms. Allocated memory is still 111.1MB. Free memory was 89.8MB in the beginning and 34.2MB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.39ms. Allocated memory is still 111.1MB. Free memory was 34.2MB in the beginning and 83.1MB in the end (delta: -48.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.82ms. Allocated memory is still 111.1MB. Free memory was 82.4MB in the beginning and 79.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1267.78ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 38.5MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2900.20ms. Allocated memory was 111.1MB in the beginning and 159.4MB in the end (delta: 48.2MB). Free memory was 38.4MB in the beginning and 108.4MB in the end (delta: -70.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 152.33ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 95.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3089]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 317 SdHoareTripleChecker+Valid, 490.05ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 303 mSDsluCounter, 915 SdHoareTripleChecker+Invalid, 378.84ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 461 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 454 mSDtfsCounter, 125 mSolverCounterSat, 30.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 142 PreInvPairs, 193 NumberOfFragments, 373 HoareAnnotationTreeSize, 142 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 186 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3225]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2730]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3029]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3221]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2871]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3204]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3229]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2739]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3213]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3217]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2862]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3198]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3017]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3237]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2724]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2911]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3210]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2889]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3233]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 RESULT: Ultimate proved your program to be correct! [2021-11-13 18:11:27,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a27d8005-ce7b-495e-a6ce-c830843d8ebd/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE