./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc --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 5b9b8810066c6b805a125dba67c1c1409161534a09c0fedd6964ff3375355a5b --- 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-5e519f3 [2022-11-02 20:31:59,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:31:59,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:31:59,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:31:59,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:31:59,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:31:59,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:31:59,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:31:59,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:31:59,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:31:59,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:31:59,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:31:59,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:31:59,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:31:59,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:31:59,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:31:59,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:31:59,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:31:59,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:31:59,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:31:59,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:31:59,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:31:59,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:31:59,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:31:59,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:31:59,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:31:59,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:31:59,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:31:59,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:31:59,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:31:59,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:31:59,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:31:59,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:31:59,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:31:59,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:31:59,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:31:59,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:31:59,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:31:59,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:31:59,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:31:59,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:31:59,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:31:59,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:31:59,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:31:59,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:31:59,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:31:59,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:31:59,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:31:59,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:31:59,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:31:59,755 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:31:59,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:31:59,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:31:59,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:31:59,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:31:59,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:31:59,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:31:59,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:31:59,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:31:59,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:31:59,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:31:59,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:31:59,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:31:59,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:31:59,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:31:59,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:31:59,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:31:59,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:31:59,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:31:59,761 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:31:59,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:31:59,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:31:59,761 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_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b9b8810066c6b805a125dba67c1c1409161534a09c0fedd6964ff3375355a5b [2022-11-02 20:32:00,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:32:00,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:32:00,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:32:00,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:32:00,233 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:32:00,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:32:00,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/data/076e244cf/a086aed0120f4780b6f45e5090851728/FLAG2b17f7c1b [2022-11-02 20:32:01,431 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:32:01,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:32:01,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/data/076e244cf/a086aed0120f4780b6f45e5090851728/FLAG2b17f7c1b [2022-11-02 20:32:01,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/data/076e244cf/a086aed0120f4780b6f45e5090851728 [2022-11-02 20:32:01,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:32:01,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:32:01,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:32:01,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:32:01,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:32:01,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:01" (1/1) ... [2022-11-02 20:32:01,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70883b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:01, skipping insertion in model container [2022-11-02 20:32:01,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:32:01" (1/1) ... [2022-11-02 20:32:01,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:32:02,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:32:03,902 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_1c096b91-67f1-42a7-873e-b414de811b49/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[196184,196197] [2022-11-02 20:32:05,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:32:05,734 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:32:05,976 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_1c096b91-67f1-42a7-873e-b414de811b49/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[196184,196197] [2022-11-02 20:32:06,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:32:06,722 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:32:06,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06 WrapperNode [2022-11-02 20:32:06,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:32:06,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:32:06,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:32:06,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:32:06,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:06,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,019 INFO L138 Inliner]: procedures = 372, calls = 2044, calls flagged for inlining = 175, calls inlined = 127, statements flattened = 4346 [2022-11-02 20:32:07,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:32:07,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:32:07,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:32:07,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:32:07,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,287 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:32:07,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:32:07,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:32:07,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:32:07,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (1/1) ... [2022-11-02 20:32:07,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:32:07,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:07,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:32:07,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c096b91-67f1-42a7-873e-b414de811b49/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:32:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:32:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:32:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-02 20:32:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-02 20:32:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:32:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:32:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-02 20:32:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-02 20:32:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-02 20:32:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-02 20:32:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-11-02 20:32:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-11-02 20:32:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:32:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:32:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:32:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:32:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-11-02 20:32:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-11-02 20:32:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:32:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:32:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:32:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:32:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:32:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:32:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:32:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:32:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-11-02 20:32:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-11-02 20:32:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-11-02 20:32:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-11-02 20:32:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-02 20:32:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-02 20:32:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-11-02 20:32:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-11-02 20:32:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-11-02 20:32:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-11-02 20:32:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-02 20:32:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-02 20:32:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-02 20:32:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-02 20:32:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-02 20:32:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-02 20:32:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:32:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:32:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-11-02 20:32:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-11-02 20:32:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:32:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:32:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:32:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:32:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-11-02 20:32:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-11-02 20:32:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:32:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:32:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-11-02 20:32:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-11-02 20:32:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:32:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:32:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:32:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:32:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-11-02 20:32:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-11-02 20:32:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-02 20:32:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-02 20:32:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:32:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:32:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-11-02 20:32:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-11-02 20:32:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-11-02 20:32:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-11-02 20:32:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:32:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-11-02 20:32:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-11-02 20:32:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:32:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:32:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-02 20:32:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-02 20:32:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:32:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:32:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:32:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-02 20:32:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-02 20:32:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-11-02 20:32:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-11-02 20:32:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:32:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:32:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:32:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:32:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-02 20:32:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:32:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:32:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-11-02 20:32:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-11-02 20:32:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-11-02 20:32:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-11-02 20:32:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-11-02 20:32:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-11-02 20:32:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disable [2022-11-02 20:32:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disable [2022-11-02 20:32:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-11-02 20:32:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-11-02 20:32:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:32:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:32:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-11-02 20:32:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-11-02 20:32:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-11-02 20:32:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-11-02 20:32:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-11-02 20:32:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-11-02 20:32:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 20:32:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 20:32:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:32:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:32:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-02 20:32:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-02 20:32:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2022-11-02 20:32:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2022-11-02 20:32:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-11-02 20:32:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-11-02 20:32:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:32:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:32:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-02 20:32:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-02 20:32:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:32:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:32:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:32:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:32:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-11-02 20:32:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-11-02 20:32:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-11-02 20:32:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-11-02 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-11-02 20:32:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-11-02 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-02 20:32:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-02 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-11-02 20:32:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-11-02 20:32:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:32:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:32:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:32:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:32:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-11-02 20:32:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-11-02 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-02 20:32:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-02 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:32:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:32:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:32:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-11-02 20:32:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-11-02 20:32:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-02 20:32:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-02 20:32:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:32:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:32:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-02 20:32:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-02 20:32:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-11-02 20:32:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-11-02 20:32:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-02 20:32:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-02 20:32:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:32:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:32:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-02 20:32:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-02 20:32:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure sram_read [2022-11-02 20:32:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_read [2022-11-02 20:32:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:32:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:32:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:32:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:32:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-11-02 20:32:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-11-02 20:32:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:32:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-02 20:32:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-02 20:32:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-11-02 20:32:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-11-02 20:32:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:32:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:32:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-02 20:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-02 20:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-11-02 20:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-11-02 20:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-11-02 20:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-11-02 20:32:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-11-02 20:32:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-11-02 20:32:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-11-02 20:32:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-11-02 20:32:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-11-02 20:32:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-11-02 20:32:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:32:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-11-02 20:32:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-11-02 20:32:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-11-02 20:32:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-11-02 20:32:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-11-02 20:32:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-11-02 20:32:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-11-02 20:32:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-11-02 20:32:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-11-02 20:32:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-11-02 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-11-02 20:32:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-11-02 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:32:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:32:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_clear_bp [2022-11-02 20:32:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_clear_bp [2022-11-02 20:32:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:32:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:32:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:32:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-11-02 20:32:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-11-02 20:32:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:32:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:32:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 20:32:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 20:32:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-11-02 20:32:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-11-02 20:32:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-02 20:32:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-02 20:32:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-11-02 20:32:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-11-02 20:32:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-02 20:32:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-02 20:32:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-02 20:32:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-02 20:32:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-11-02 20:32:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-11-02 20:32:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-11-02 20:32:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-11-02 20:32:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-11-02 20:32:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-11-02 20:32:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-11-02 20:32:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-11-02 20:32:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:32:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:32:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-11-02 20:32:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-11-02 20:32:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:32:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:32:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-11-02 20:32:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-11-02 20:32:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-11-02 20:32:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-11-02 20:32:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:32:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:32:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-11-02 20:32:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-11-02 20:32:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-11-02 20:32:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-11-02 20:32:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:32:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:32:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:32:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-11-02 20:32:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-11-02 20:32:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 20:32:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:32:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:32:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-02 20:32:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-02 20:32:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:32:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:32:08,627 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:32:08,631 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:32:08,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:32:52,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:32:52,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:32:52,491 INFO L300 CfgBuilder]: Removed 15 assume(true) statements. [2022-11-02 20:32:52,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:52 BoogieIcfgContainer [2022-11-02 20:32:52,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:32:52,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:32:52,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:32:52,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:32:52,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:32:01" (1/3) ... [2022-11-02 20:32:52,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a1c3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:52, skipping insertion in model container [2022-11-02 20:32:52,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:32:06" (2/3) ... [2022-11-02 20:32:52,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a1c3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:32:52, skipping insertion in model container [2022-11-02 20:32:52,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:32:52" (3/3) ... [2022-11-02 20:32:52,515 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:32:52,542 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:32:52,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:32:52,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:32:52,706 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;@14c77110, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:32:52,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:32:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 2135 states, 1331 states have (on average 1.3185574755822689) internal successors, (1755), 1395 states have internal predecessors, (1755), 689 states have call successors, (689), 125 states have call predecessors, (689), 124 states have return successors, (684), 669 states have call predecessors, (684), 684 states have call successors, (684) [2022-11-02 20:32:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-02 20:32:52,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:52,753 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-11-02 20:32:52,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash 929910543, now seen corresponding path program 1 times [2022-11-02 20:32:52,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:52,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844290893] [2022-11-02 20:32:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:52,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:32:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:32:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:32:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:32:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:32:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:32:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:32:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:32:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-02 20:32:54,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:54,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844290893] [2022-11-02 20:32:54,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844290893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:54,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:54,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:32:54,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589841783] [2022-11-02 20:32:54,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:54,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:32:54,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:54,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:32:54,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:32:54,626 INFO L87 Difference]: Start difference. First operand has 2135 states, 1331 states have (on average 1.3185574755822689) internal successors, (1755), 1395 states have internal predecessors, (1755), 689 states have call successors, (689), 125 states have call predecessors, (689), 124 states have return successors, (684), 669 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-02 20:32:56,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:32:59,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:01,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:08,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:16,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:34,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:34,434 INFO L93 Difference]: Finished difference Result 7093 states and 11669 transitions. [2022-11-02 20:33:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:33:34,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 72 [2022-11-02 20:33:34,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:34,556 INFO L225 Difference]: With dead ends: 7093 [2022-11-02 20:33:34,556 INFO L226 Difference]: Without dead ends: 4945 [2022-11-02 20:33:34,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:33:34,609 INFO L413 NwaCegarLoop]: 3516 mSDtfsCounter, 5697 mSDsluCounter, 5489 mSDsCounter, 0 mSdLazyCounter, 3706 mSolverCounterSat, 4047 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6001 SdHoareTripleChecker+Valid, 9005 SdHoareTripleChecker+Invalid, 7758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4047 IncrementalHoareTripleChecker+Valid, 3706 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:34,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6001 Valid, 9005 Invalid, 7758 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4047 Valid, 3706 Invalid, 5 Unknown, 0 Unchecked, 38.6s Time] [2022-11-02 20:33:34,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4945 states. [2022-11-02 20:33:35,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4945 to 4135. [2022-11-02 20:33:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4135 states, 2556 states have (on average 1.3090766823161188) internal successors, (3346), 2648 states have internal predecessors, (3346), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 246 states have return successors, (1331), 1301 states have call predecessors, (1331), 1331 states have call successors, (1331) [2022-11-02 20:33:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 4135 states and 6009 transitions. [2022-11-02 20:33:35,173 INFO L78 Accepts]: Start accepts. Automaton has 4135 states and 6009 transitions. Word has length 72 [2022-11-02 20:33:35,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:35,176 INFO L495 AbstractCegarLoop]: Abstraction has 4135 states and 6009 transitions. [2022-11-02 20:33:35,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-02 20:33:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 6009 transitions. [2022-11-02 20:33:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-02 20:33:35,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:35,188 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-11-02 20:33:35,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:33:35,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:35,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:35,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1876306375, now seen corresponding path program 1 times [2022-11-02 20:33:35,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:35,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156862670] [2022-11-02 20:33:35,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:33:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:33:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:33:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:33:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:33:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:33:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:33:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:33:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:33:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:33:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-02 20:33:37,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:37,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156862670] [2022-11-02 20:33:37,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156862670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:37,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:37,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:33:37,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371122652] [2022-11-02 20:33:37,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:37,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:33:37,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:37,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:33:37,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:33:37,109 INFO L87 Difference]: Start difference. First operand 4135 states and 6009 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:33:39,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:41,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:33:49,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:34:06,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:34:25,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:25,259 INFO L93 Difference]: Finished difference Result 13970 states and 21252 transitions. [2022-11-02 20:34:25,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:34:25,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2022-11-02 20:34:25,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:25,427 INFO L225 Difference]: With dead ends: 13970 [2022-11-02 20:34:25,427 INFO L226 Difference]: Without dead ends: 9851 [2022-11-02 20:34:25,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:34:25,482 INFO L413 NwaCegarLoop]: 3582 mSDtfsCounter, 5701 mSDsluCounter, 11423 mSDsCounter, 0 mSdLazyCounter, 6263 mSolverCounterSat, 3989 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6007 SdHoareTripleChecker+Valid, 15005 SdHoareTripleChecker+Invalid, 10256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3989 IncrementalHoareTripleChecker+Valid, 6263 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:25,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6007 Valid, 15005 Invalid, 10256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3989 Valid, 6263 Invalid, 4 Unknown, 0 Unchecked, 46.8s Time] [2022-11-02 20:34:25,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9851 states. [2022-11-02 20:34:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9851 to 8429. [2022-11-02 20:34:26,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8429 states, 5226 states have (on average 1.3071182548794489) internal successors, (6831), 5408 states have internal predecessors, (6831), 2680 states have call successors, (2680), 493 states have call predecessors, (2680), 522 states have return successors, (2981), 2641 states have call predecessors, (2981), 2679 states have call successors, (2981) [2022-11-02 20:34:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12492 transitions. [2022-11-02 20:34:26,343 INFO L78 Accepts]: Start accepts. Automaton has 8429 states and 12492 transitions. Word has length 82 [2022-11-02 20:34:26,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:26,346 INFO L495 AbstractCegarLoop]: Abstraction has 8429 states and 12492 transitions. [2022-11-02 20:34:26,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:34:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 8429 states and 12492 transitions. [2022-11-02 20:34:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-02 20:34:26,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:26,386 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 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, 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] [2022-11-02 20:34:26,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:34:26,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:26,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:26,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1891325115, now seen corresponding path program 1 times [2022-11-02 20:34:26,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:26,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547035455] [2022-11-02 20:34:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:26,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:34:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:34:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:34:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:34:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:34:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:34:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:34:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:34:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:34:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:34:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 20:34:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:34:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:34:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:34:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:34:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:34:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 20:34:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:34:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:34:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:34:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:34:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:34:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:34:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:34:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:34:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-02 20:34:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-02 20:34:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-02 20:34:28,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:28,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547035455] [2022-11-02 20:34:28,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547035455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:28,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:28,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:34:28,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659047718] [2022-11-02 20:34:28,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:28,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:34:28,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:28,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:34:28,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:34:28,050 INFO L87 Difference]: Start difference. First operand 8429 states and 12492 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-02 20:34:30,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:34:32,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:34:37,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:34:39,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:34:40,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:35:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:05,714 INFO L93 Difference]: Finished difference Result 27415 states and 41675 transitions. [2022-11-02 20:35:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:05,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 222 [2022-11-02 20:35:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:05,939 INFO L225 Difference]: With dead ends: 27415 [2022-11-02 20:35:05,939 INFO L226 Difference]: Without dead ends: 19008 [2022-11-02 20:35:06,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:35:06,007 INFO L413 NwaCegarLoop]: 4639 mSDtfsCounter, 5554 mSDsluCounter, 6238 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 4149 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5928 SdHoareTripleChecker+Valid, 10877 SdHoareTripleChecker+Invalid, 8678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4149 IncrementalHoareTripleChecker+Valid, 4527 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:06,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5928 Valid, 10877 Invalid, 8678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4149 Valid, 4527 Invalid, 2 Unknown, 0 Unchecked, 36.0s Time] [2022-11-02 20:35:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19008 states. [2022-11-02 20:35:07,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19008 to 16209. [2022-11-02 20:35:07,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16209 states, 9962 states have (on average 1.3025496888175065) internal successors, (12976), 10310 states have internal predecessors, (12976), 5198 states have call successors, (5198), 981 states have call predecessors, (5198), 1048 states have return successors, (5775), 5129 states have call predecessors, (5775), 5197 states have call successors, (5775) [2022-11-02 20:35:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16209 states to 16209 states and 23949 transitions. [2022-11-02 20:35:07,477 INFO L78 Accepts]: Start accepts. Automaton has 16209 states and 23949 transitions. Word has length 222 [2022-11-02 20:35:07,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:07,477 INFO L495 AbstractCegarLoop]: Abstraction has 16209 states and 23949 transitions. [2022-11-02 20:35:07,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-02 20:35:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 16209 states and 23949 transitions. [2022-11-02 20:35:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-02 20:35:07,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:07,538 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1] [2022-11-02 20:35:07,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:35:07,539 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:07,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:07,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1576882116, now seen corresponding path program 1 times [2022-11-02 20:35:07,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:07,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306244506] [2022-11-02 20:35:07,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:07,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:35:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:35:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:35:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:35:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:35:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:35:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:35:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:35:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 20:35:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:35:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:35:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:35:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 20:35:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:35:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:35:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:35:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:35:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 20:35:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:35:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-02 20:35:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:08,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:35:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:35:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:35:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:35:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:35:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-02 20:35:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 20:35:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-11-02 20:35:09,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:09,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306244506] [2022-11-02 20:35:09,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306244506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:09,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:09,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:35:09,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907158959] [2022-11-02 20:35:09,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:09,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:35:09,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:09,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:35:09,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:09,170 INFO L87 Difference]: Start difference. First operand 16209 states and 23949 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-02 20:35:11,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:35:13,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:35:19,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:35:39,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:39,840 INFO L93 Difference]: Finished difference Result 30348 states and 45637 transitions. [2022-11-02 20:35:39,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:35:39,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 241 [2022-11-02 20:35:39,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted.