./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a3ce92b4fa97290bfce2585c8e16b416b78b6a9fb4820bd3e1a943e1210b2dc --- 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 [2022-11-03 01:36:13,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:36:13,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:36:13,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:36:13,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:36:13,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:36:13,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:36:13,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:36:13,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:36:13,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:36:13,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:36:13,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:36:13,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:36:13,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:36:13,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:36:13,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:36:13,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:36:13,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:36:13,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:36:13,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:36:13,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:36:13,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:36:13,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:36:13,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:36:13,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:36:13,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:36:13,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:36:13,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:36:13,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:36:13,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:36:13,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:36:13,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:36:13,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:36:13,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:36:13,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:36:13,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:36:13,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:36:13,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:36:13,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:36:13,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:36:13,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:36:13,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:36:13,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:36:13,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:36:13,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:36:13,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:36:13,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:36:13,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:36:13,804 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:36:13,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:36:13,804 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:36:13,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:36:13,806 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:36:13,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:36:13,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:36:13,806 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:36:13,807 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:36:13,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:36:13,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:36:13,816 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:36:13,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:36:13,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:36:13,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:36:13,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:36:13,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:36:13,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:36:13,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:36:13,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:36:13,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:36:13,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:36:13,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:36:13,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:13,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:36:13,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:36:13,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:36:13,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:36:13,822 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:36:13,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:36:13,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:36:13,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:36:13,823 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_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a3ce92b4fa97290bfce2585c8e16b416b78b6a9fb4820bd3e1a943e1210b2dc [2022-11-03 01:36:14,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:36:14,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:36:14,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:36:14,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:36:14,133 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:36:14,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 01:36:14,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/data/b79122373/97d0c7e9ef24465abf114e9c7eee1b19/FLAGabbcf6395 [2022-11-03 01:36:15,430 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:36:15,430 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 01:36:15,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/data/b79122373/97d0c7e9ef24465abf114e9c7eee1b19/FLAGabbcf6395 [2022-11-03 01:36:15,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/data/b79122373/97d0c7e9ef24465abf114e9c7eee1b19 [2022-11-03 01:36:15,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:36:15,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:36:15,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:15,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:36:15,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:36:15,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:15" (1/1) ... [2022-11-03 01:36:15,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dff0391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:15, skipping insertion in model container [2022-11-03 01:36:15,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:15" (1/1) ... [2022-11-03 01:36:15,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:36:15,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:36:23,847 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_74ff719d-d57b-47b5-84c8-c06cfcc6af62/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[851903,851916] [2022-11-03 01:36:23,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:23,971 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:36:25,504 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_74ff719d-d57b-47b5-84c8-c06cfcc6af62/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[851903,851916] [2022-11-03 01:36:25,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:25,847 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:36:25,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25 WrapperNode [2022-11-03 01:36:25,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:25,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:25,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:36:25,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:36:25,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:26,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:27,247 INFO L138 Inliner]: procedures = 684, calls = 14952, calls flagged for inlining = 277, calls inlined = 264, statements flattened = 29852 [2022-11-03 01:36:27,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:27,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:36:27,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:36:27,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:36:27,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:27,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:27,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:27,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:28,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:28,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:28,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:28,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:29,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:36:29,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:36:29,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:36:29,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:36:29,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:29,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:29,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:36:29,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:36:29,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:36:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2022-11-03 01:36:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2022-11-03 01:36:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2022-11-03 01:36:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2022-11-03 01:36:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 01:36:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 01:36:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 01:36:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-03 01:36:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-03 01:36:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:36:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:36:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2022-11-03 01:36:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2022-11-03 01:36:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2022-11-03 01:36:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2022-11-03 01:36:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2022-11-03 01:36:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2022-11-03 01:36:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2022-11-03 01:36:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2022-11-03 01:36:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:36:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:36:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2022-11-03 01:36:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2022-11-03 01:36:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2022-11-03 01:36:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2022-11-03 01:36:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2022-11-03 01:36:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2022-11-03 01:36:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2022-11-03 01:36:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2022-11-03 01:36:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure return_fm_pebs [2022-11-03 01:36:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure return_fm_pebs [2022-11-03 01:36:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-03 01:36:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-03 01:36:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 01:36:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 01:36:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2022-11-03 01:36:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2022-11-03 01:36:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2022-11-03 01:36:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2022-11-03 01:36:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2022-11-03 01:36:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2022-11-03 01:36:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2022-11-03 01:36:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2022-11-03 01:36:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-03 01:36:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-03 01:36:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2022-11-03 01:36:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2022-11-03 01:36:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2022-11-03 01:36:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2022-11-03 01:36:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove [2022-11-03 01:36:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove [2022-11-03 01:36:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure set_seen [2022-11-03 01:36:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure set_seen [2022-11-03 01:36:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2022-11-03 01:36:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2022-11-03 01:36:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2022-11-03 01:36:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2022-11-03 01:36:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_cleanup [2022-11-03 01:36:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_cleanup [2022-11-03 01:36:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-03 01:36:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-03 01:36:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2022-11-03 01:36:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2022-11-03 01:36:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2022-11-03 01:36:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2022-11-03 01:36:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:36:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:36:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-11-03 01:36:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-11-03 01:36:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2022-11-03 01:36:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2022-11-03 01:36:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2022-11-03 01:36:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2022-11-03 01:36:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2022-11-03 01:36:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2022-11-03 01:36:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2022-11-03 01:36:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2022-11-03 01:36:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2022-11-03 01:36:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2022-11-03 01:36:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2022-11-03 01:36:29,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2022-11-03 01:36:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2022-11-03 01:36:29,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2022-11-03 01:36:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:36:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2022-11-03 01:36:29,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2022-11-03 01:36:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2022-11-03 01:36:29,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2022-11-03 01:36:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure dfs_file_write [2022-11-03 01:36:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dfs_file_write [2022-11-03 01:36:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2022-11-03 01:36:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2022-11-03 01:36:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:36:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:36:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2022-11-03 01:36:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2022-11-03 01:36:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:36:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 01:36:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 01:36:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-03 01:36:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-03 01:36:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2022-11-03 01:36:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2022-11-03 01:36:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2022-11-03 01:36:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2022-11-03 01:36:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-03 01:36:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-03 01:36:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 01:36:29,342 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 01:36:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-03 01:36:29,343 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-03 01:36:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2022-11-03 01:36:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2022-11-03 01:36:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2022-11-03 01:36:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2022-11-03 01:36:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:36:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:36:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure dev_attribute_show [2022-11-03 01:36:29,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_attribute_show [2022-11-03 01:36:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 01:36:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 01:36:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2022-11-03 01:36:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2022-11-03 01:36:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:36:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-11-03 01:36:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-11-03 01:36:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2022-11-03 01:36:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2022-11-03 01:36:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2022-11-03 01:36:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2022-11-03 01:36:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure update_fastmap_work_fn [2022-11-03 01:36:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fastmap_work_fn [2022-11-03 01:36:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_nolock [2022-11-03 01:36:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_nolock [2022-11-03 01:36:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 01:36:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 01:36:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2022-11-03 01:36:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2022-11-03 01:36:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:36:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:36:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2022-11-03 01:36:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2022-11-03 01:36:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2022-11-03 01:36:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2022-11-03 01:36:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:36:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-03 01:36:29,366 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-03 01:36:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2022-11-03 01:36:29,366 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2022-11-03 01:36:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2022-11-03 01:36:29,366 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2022-11-03 01:36:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:36:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:36:29,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:36:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 01:36:29,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 01:36:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2022-11-03 01:36:29,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2022-11-03 01:36:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2022-11-03 01:36:29,368 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2022-11-03 01:36:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:36:29,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:36:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume_nm [2022-11-03 01:36:29,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume_nm [2022-11-03 01:36:29,368 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-03 01:36:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-03 01:36:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-03 01:36:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-03 01:36:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2022-11-03 01:36:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2022-11-03 01:36:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-03 01:36:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-03 01:36:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 01:36:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 01:36:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 01:36:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 01:36:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2022-11-03 01:36:29,370 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2022-11-03 01:36:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2022-11-03 01:36:29,371 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2022-11-03 01:36:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-03 01:36:29,371 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-03 01:36:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2022-11-03 01:36:29,371 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2022-11-03 01:36:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-11-03 01:36:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-11-03 01:36:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2022-11-03 01:36:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2022-11-03 01:36:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2022-11-03 01:36:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2022-11-03 01:36:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2022-11-03 01:36:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2022-11-03 01:36:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2022-11-03 01:36:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2022-11-03 01:36:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 01:36:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 01:36:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_attach_mtd_dev [2022-11-03 01:36:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_attach_mtd_dev [2022-11-03 01:36:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 01:36:29,374 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 01:36:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:36:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2022-11-03 01:36:29,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2022-11-03 01:36:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2022-11-03 01:36:29,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2022-11-03 01:36:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2022-11-03 01:36:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2022-11-03 01:36:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 01:36:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2022-11-03 01:36:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2022-11-03 01:36:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-03 01:36:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-03 01:36:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2022-11-03 01:36:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2022-11-03 01:36:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 01:36:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 01:36:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:36:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2022-11-03 01:36:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2022-11-03 01:36:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_fastmap [2022-11-03 01:36:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_fastmap [2022-11-03 01:36:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:36:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-03 01:36:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-03 01:36:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:36:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2022-11-03 01:36:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2022-11-03 01:36:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2022-11-03 01:36:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2022-11-03 01:36:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2022-11-03 01:36:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2022-11-03 01:36:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-03 01:36:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-03 01:36:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-03 01:36:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-03 01:36:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2022-11-03 01:36:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2022-11-03 01:36:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2022-11-03 01:36:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2022-11-03 01:36:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2022-11-03 01:36:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2022-11-03 01:36:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2022-11-03 01:36:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2022-11-03 01:36:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2022-11-03 01:36:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2022-11-03 01:36:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2022-11-03 01:36:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2022-11-03 01:36:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-03 01:36:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-03 01:36:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2022-11-03 01:36:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2022-11-03 01:36:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2022-11-03 01:36:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2022-11-03 01:36:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2022-11-03 01:36:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2022-11-03 01:36:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-11-03 01:36:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-11-03 01:36:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2022-11-03 01:36:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2022-11-03 01:36:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path [2022-11-03 01:36:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path [2022-11-03 01:36:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_layout_vol [2022-11-03 01:36:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_layout_vol [2022-11-03 01:36:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 01:36:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 01:36:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-03 01:36:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-03 01:36:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2022-11-03 01:36:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2022-11-03 01:36:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:36:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:36:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2022-11-03 01:36:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2022-11-03 01:36:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:36:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:36:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_write [2022-11-03 01:36:29,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_write [2022-11-03 01:36:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2022-11-03 01:36:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2022-11-03 01:36:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-03 01:36:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-03 01:36:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove_all [2022-11-03 01:36:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove_all [2022-11-03 01:36:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_power_cut [2022-11-03 01:36:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_power_cut [2022-11-03 01:36:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2022-11-03 01:36:29,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2022-11-03 01:36:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:36:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:36:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 01:36:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 01:36:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2022-11-03 01:36:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2022-11-03 01:36:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 01:36:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 01:36:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 01:36:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 01:36:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-03 01:36:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-03 01:36:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:36:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:36:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:36:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:36:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:36:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:36:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2022-11-03 01:36:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2022-11-03 01:36:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2022-11-03 01:36:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2022-11-03 01:36:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2022-11-03 01:36:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2022-11-03 01:36:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2022-11-03 01:36:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2022-11-03 01:36:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2022-11-03 01:36:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2022-11-03 01:36:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:36:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:36:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:36:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:36:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2022-11-03 01:36:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2022-11-03 01:36:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-03 01:36:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-03 01:36:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-03 01:36:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-03 01:36:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure vol_attribute_show [2022-11-03 01:36:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_attribute_show [2022-11-03 01:36:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2022-11-03 01:36:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2022-11-03 01:36:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2022-11-03 01:36:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2022-11-03 01:36:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:36:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:36:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2022-11-03 01:36:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2022-11-03 01:36:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:36:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:36:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-03 01:36:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-03 01:36:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-03 01:36:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-03 01:36:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2022-11-03 01:36:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2022-11-03 01:36:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2022-11-03 01:36:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2022-11-03 01:36:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2022-11-03 01:36:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2022-11-03 01:36:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 01:36:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 01:36:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-03 01:36:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-03 01:36:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:36:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:36:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:36:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2022-11-03 01:36:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2022-11-03 01:36:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2022-11-03 01:36:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2022-11-03 01:36:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2022-11-03 01:36:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2022-11-03 01:36:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2022-11-03 01:36:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2022-11-03 01:36:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2022-11-03 01:36:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2022-11-03 01:36:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-11-03 01:36:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-11-03 01:36:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-03 01:36:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-03 01:36:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-03 01:36:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-03 01:36:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:36:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_fsync [2022-11-03 01:36:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_fsync [2022-11-03 01:36:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_mtd_device [2022-11-03 01:36:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mtd_device [2022-11-03 01:36:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2022-11-03 01:36:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2022-11-03 01:36:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 01:36:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 01:36:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2022-11-03 01:36:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2022-11-03 01:36:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-03 01:36:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-03 01:36:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-03 01:36:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-03 01:36:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2022-11-03 01:36:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2022-11-03 01:36:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-03 01:36:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-03 01:36:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2022-11-03 01:36:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2022-11-03 01:36:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___3 [2022-11-03 01:36:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___3 [2022-11-03 01:36:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_create [2022-11-03 01:36:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_create [2022-11-03 01:36:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:36:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___0 [2022-11-03 01:36:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___0 [2022-11-03 01:36:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___4 [2022-11-03 01:36:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___4 [2022-11-03 01:36:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2022-11-03 01:36:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2022-11-03 01:36:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-03 01:36:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-03 01:36:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-11-03 01:36:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-11-03 01:36:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2022-11-03 01:36:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2022-11-03 01:36:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2022-11-03 01:36:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2022-11-03 01:36:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 01:36:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 01:36:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-03 01:36:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-03 01:36:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:36:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:36:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-11-03 01:36:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-11-03 01:36:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 01:36:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 01:36:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_do_work [2022-11-03 01:36:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_do_work [2022-11-03 01:36:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:36:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:36:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:36:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:36:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2022-11-03 01:36:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2022-11-03 01:36:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-03 01:36:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-03 01:36:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2022-11-03 01:36:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2022-11-03 01:36:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:36:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:36:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2022-11-03 01:36:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2022-11-03 01:36:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2022-11-03 01:36:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2022-11-03 01:36:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2022-11-03 01:36:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2022-11-03 01:36:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2022-11-03 01:36:29,403 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2022-11-03 01:36:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:36:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:36:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_from_pdu [2022-11-03 01:36:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_from_pdu [2022-11-03 01:36:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2022-11-03 01:36:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2022-11-03 01:36:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown_work [2022-11-03 01:36:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown_work [2022-11-03 01:36:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 01:36:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 01:36:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-03 01:36:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-03 01:36:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2022-11-03 01:36:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2022-11-03 01:36:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 01:36:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 01:36:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2022-11-03 01:36:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2022-11-03 01:36:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2022-11-03 01:36:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2022-11-03 01:36:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2022-11-03 01:36:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2022-11-03 01:36:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-03 01:36:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-03 01:36:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-03 01:36:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-03 01:36:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:36:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:36:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 01:36:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 01:36:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:36:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-03 01:36:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-03 01:36:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2022-11-03 01:36:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2022-11-03 01:36:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:36:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:36:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2022-11-03 01:36:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2022-11-03 01:36:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_getgeo [2022-11-03 01:36:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_getgeo [2022-11-03 01:36:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-03 01:36:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-03 01:36:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 01:36:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 01:36:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 01:36:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 01:36:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2022-11-03 01:36:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2022-11-03 01:36:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure wl_entry_destroy [2022-11-03 01:36:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_entry_destroy [2022-11-03 01:36:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure d_backing_inode [2022-11-03 01:36:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure d_backing_inode [2022-11-03 01:36:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2022-11-03 01:36:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2022-11-03 01:36:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2022-11-03 01:36:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2022-11-03 01:36:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2022-11-03 01:36:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2022-11-03 01:36:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2022-11-03 01:36:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2022-11-03 01:36:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2022-11-03 01:36:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2022-11-03 01:36:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 01:36:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 01:36:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2022-11-03 01:36:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2022-11-03 01:36:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2022-11-03 01:36:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2022-11-03 01:36:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2022-11-03 01:36:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2022-11-03 01:36:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 01:36:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 01:36:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2022-11-03 01:36:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2022-11-03 01:36:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_sanity_check [2022-11-03 01:36:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_sanity_check [2022-11-03 01:36:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_resize [2022-11-03 01:36:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_resize [2022-11-03 01:36:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-03 01:36:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-03 01:36:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2022-11-03 01:36:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2022-11-03 01:36:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit [2022-11-03 01:36:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit [2022-11-03 01:36:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2022-11-03 01:36:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2022-11-03 01:36:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2022-11-03 01:36:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2022-11-03 01:36:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2022-11-03 01:36:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2022-11-03 01:36:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-03 01:36:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-03 01:36:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-03 01:36:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-03 01:36:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-11-03 01:36:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-11-03 01:36:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:36:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:36:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-03 01:36:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-03 01:36:29,463 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_volume_info [2022-11-03 01:36:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_volume_info [2022-11-03 01:36:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2022-11-03 01:36:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2022-11-03 01:36:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:36:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2022-11-03 01:36:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2022-11-03 01:36:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2022-11-03 01:36:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2022-11-03 01:36:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-11-03 01:36:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-11-03 01:36:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_notify [2022-11-03 01:36:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_notify [2022-11-03 01:36:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2022-11-03 01:36:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2022-11-03 01:36:31,952 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:36:31,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:36:32,215 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:42:21,725 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:42:28,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:42:28,554 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:42:28,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:42:28 BoogieIcfgContainer [2022-11-03 01:42:28,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:42:28,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:42:28,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:42:28,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:42:28,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:36:15" (1/3) ... [2022-11-03 01:42:28,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294f6499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:42:28, skipping insertion in model container [2022-11-03 01:42:28,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (2/3) ... [2022-11-03 01:42:28,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294f6499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:42:28, skipping insertion in model container [2022-11-03 01:42:28,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:42:28" (3/3) ... [2022-11-03 01:42:28,592 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-03 01:42:28,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:42:28,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:42:28,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:42:28,814 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=FINITE_AUTOMATA, 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;@5a687ec7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:42:28,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:42:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 7808 states, 4833 states have (on average 1.3604386509414443) internal successors, (6575), 5085 states have internal predecessors, (6575), 2705 states have call successors, (2705), 269 states have call predecessors, (2705), 268 states have return successors, (2675), 2640 states have call predecessors, (2675), 2675 states have call successors, (2675) [2022-11-03 01:42:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-11-03 01:42:28,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:28,907 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:42:28,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:28,913 INFO L85 PathProgramCache]: Analyzing trace with hash -476494305, now seen corresponding path program 1 times [2022-11-03 01:42:28,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:28,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402532843] [2022-11-03 01:42:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:28,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:30,153 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:42:30,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126363553] [2022-11-03 01:42:30,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:30,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:42:30,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:42:30,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:42:30,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:42:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:34,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 15869 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:42:34,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:42:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5982 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5982 trivial. 0 not checked. [2022-11-03 01:42:35,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:42:35,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:35,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402532843] [2022-11-03 01:42:35,008 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:42:35,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126363553] [2022-11-03 01:42:35,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126363553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:35,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:35,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:35,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536344959] [2022-11-03 01:42:35,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:35,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:35,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:35,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:35,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:35,062 INFO L87 Difference]: Start difference. First operand has 7808 states, 4833 states have (on average 1.3604386509414443) internal successors, (6575), 5085 states have internal predecessors, (6575), 2705 states have call successors, (2705), 269 states have call predecessors, (2705), 268 states have return successors, (2675), 2640 states have call predecessors, (2675), 2675 states have call successors, (2675) Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 01:42:38,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:40,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:42,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:50,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:52,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:56,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:00,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:06,126 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 [] [2022-11-03 01:43:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:43:06,554 INFO L93 Difference]: Finished difference Result 22522 states and 35026 transitions. [2022-11-03 01:43:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:43:06,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 510 [2022-11-03 01:43:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:43:06,707 INFO L225 Difference]: With dead ends: 22522 [2022-11-03 01:43:06,707 INFO L226 Difference]: Without dead ends: 14700 [2022-11-03 01:43:06,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:43:06,798 INFO L413 NwaCegarLoop]: 17338 mSDtfsCounter, 10986 mSDsluCounter, 11573 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10993 SdHoareTripleChecker+Valid, 28226 SdHoareTripleChecker+Invalid, 1714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:43:06,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10993 Valid, 28226 Invalid, 1714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1705 Invalid, 4 Unknown, 0 Unchecked, 30.3s Time] [2022-11-03 01:43:06,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14700 states. [2022-11-03 01:43:07,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14700 to 14691. [2022-11-03 01:43:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14691 states, 9136 states have (on average 1.353984238178634) internal successors, (12370), 9554 states have internal predecessors, (12370), 5032 states have call successors, (5032), 524 states have call predecessors, (5032), 522 states have return successors, (5032), 4960 states have call predecessors, (5032), 5030 states have call successors, (5032) [2022-11-03 01:43:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14691 states to 14691 states and 22434 transitions. [2022-11-03 01:43:08,063 INFO L78 Accepts]: Start accepts. Automaton has 14691 states and 22434 transitions. Word has length 510 [2022-11-03 01:43:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:43:08,068 INFO L495 AbstractCegarLoop]: Abstraction has 14691 states and 22434 transitions. [2022-11-03 01:43:08,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 01:43:08,069 INFO L276 IsEmpty]: Start isEmpty. Operand 14691 states and 22434 transitions. [2022-11-03 01:43:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-11-03 01:43:08,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:43:08,099 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 37, 37, 37, 37, 37, 37, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:43:08,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:43:08,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 01:43:08,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:43:08,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:43:08,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1616736547, now seen corresponding path program 1 times [2022-11-03 01:43:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:43:08,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992268971] [2022-11-03 01:43:08,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:08,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:43:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6664 trivial. 0 not checked. [2022-11-03 01:43:12,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:12,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992268971] [2022-11-03 01:43:12,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992268971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:12,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:43:12,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:43:12,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550119929] [2022-11-03 01:43:12,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:12,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:43:12,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:43:12,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:43:12,088 INFO L87 Difference]: Start difference. First operand 14691 states and 22434 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-03 01:43:18,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:20,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:30,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:36,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 01:43:45,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:55,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:43:58,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:16,538 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 [] [2022-11-03 01:44:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:18,254 INFO L93 Difference]: Finished difference Result 45330 states and 69324 transitions. [2022-11-03 01:44:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:44:18,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 533 [2022-11-03 01:44:18,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:18,596 INFO L225 Difference]: With dead ends: 45330 [2022-11-03 01:44:18,597 INFO L226 Difference]: Without dead ends: 30710 [2022-11-03 01:44:18,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:44:18,679 INFO L413 NwaCegarLoop]: 14808 mSDtfsCounter, 12684 mSDsluCounter, 18206 mSDsCounter, 0 mSdLazyCounter, 7911 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12921 SdHoareTripleChecker+Valid, 31613 SdHoareTripleChecker+Invalid, 7924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7911 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:18,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12921 Valid, 31613 Invalid, 7924 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8 Valid, 7911 Invalid, 5 Unknown, 0 Unchecked, 64.5s Time] [2022-11-03 01:44:18,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30710 states. [2022-11-03 01:44:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30710 to 29226. [2022-11-03 01:44:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29226 states, 18186 states have (on average 1.3549983503794127) internal successors, (24642), 19023 states have internal predecessors, (24642), 9996 states have call successors, (9996), 1047 states have call predecessors, (9996), 1043 states have return successors, (10001), 9849 states have call predecessors, (10001), 9994 states have call successors, (10001) [2022-11-03 01:44:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29226 states to 29226 states and 44639 transitions. [2022-11-03 01:44:21,192 INFO L78 Accepts]: Start accepts. Automaton has 29226 states and 44639 transitions. Word has length 533 [2022-11-03 01:44:21,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:44:21,196 INFO L495 AbstractCegarLoop]: Abstraction has 29226 states and 44639 transitions. [2022-11-03 01:44:21,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-03 01:44:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 29226 states and 44639 transitions. [2022-11-03 01:44:21,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-11-03 01:44:21,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:21,222 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 37, 37, 37, 37, 37, 37, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:44:21,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:44:21,222 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:44:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:21,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1905760306, now seen corresponding path program 1 times [2022-11-03 01:44:21,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:21,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52494925] [2022-11-03 01:44:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:21,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6667 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6667 trivial. 0 not checked. [2022-11-03 01:44:22,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:22,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52494925] [2022-11-03 01:44:22,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52494925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:22,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:44:22,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:44:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943282684] [2022-11-03 01:44:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:22,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:44:22,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:22,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:44:22,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:44:22,919 INFO L87 Difference]: Start difference. First operand 29226 states and 44639 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 01:44:28,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:30,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:37,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:42,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:45,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:52,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:54,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:55,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:55,033 INFO L93 Difference]: Finished difference Result 86088 states and 131432 transitions. [2022-11-03 01:44:55,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:44:55,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 535 [2022-11-03 01:44:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:55,386 INFO L225 Difference]: With dead ends: 86088 [2022-11-03 01:44:55,386 INFO L226 Difference]: Without dead ends: 56933 [2022-11-03 01:44:55,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:44:55,787 INFO L413 NwaCegarLoop]: 17922 mSDtfsCounter, 10789 mSDsluCounter, 11743 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10796 SdHoareTripleChecker+Valid, 28962 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:55,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10796 Valid, 28962 Invalid, 1803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1794 Invalid, 7 Unknown, 0 Unchecked, 30.1s Time] [2022-11-03 01:44:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56933 states. [2022-11-03 01:44:59,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56933 to 56913. [2022-11-03 01:44:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56913 states, 35393 states have (on average 1.355126719972876) internal successors, (47962), 37040 states have internal predecessors, (47962), 19448 states have call successors, (19448), 2079 states have call predecessors, (19448), 2071 states have return successors, (19466), 19153 states have call predecessors, (19466), 19446 states have call successors, (19466) [2022-11-03 01:45:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56913 states to 56913 states and 86876 transitions. [2022-11-03 01:45:00,583 INFO L78 Accepts]: Start accepts. Automaton has 56913 states and 86876 transitions. Word has length 535 [2022-11-03 01:45:00,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:00,585 INFO L495 AbstractCegarLoop]: Abstraction has 56913 states and 86876 transitions. [2022-11-03 01:45:00,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-03 01:45:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 56913 states and 86876 transitions. [2022-11-03 01:45:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-11-03 01:45:00,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:00,822 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 35, 35, 35, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:00,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:45:00,822 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:00,823 INFO L85 PathProgramCache]: Analyzing trace with hash 289385636, now seen corresponding path program 1 times [2022-11-03 01:45:00,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:00,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045869518] [2022-11-03 01:45:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:00,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6055 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6055 trivial. 0 not checked. [2022-11-03 01:45:02,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:02,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045869518] [2022-11-03 01:45:02,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045869518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:02,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:02,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:45:02,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23716867] [2022-11-03 01:45:02,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:02,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:45:02,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:02,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:45:02,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:45:02,600 INFO L87 Difference]: Start difference. First operand 56913 states and 86876 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 01:45:05,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:09,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:13,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:20,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:20,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:20,740 INFO L93 Difference]: Finished difference Result 112293 states and 171048 transitions. [2022-11-03 01:45:20,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:45:20,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 540 [2022-11-03 01:45:20,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:21,058 INFO L225 Difference]: With dead ends: 112293 [2022-11-03 01:45:21,059 INFO L226 Difference]: Without dead ends: 55451 [2022-11-03 01:45:21,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:45:21,605 INFO L413 NwaCegarLoop]: 11312 mSDtfsCounter, 11128 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11133 SdHoareTripleChecker+Valid, 14381 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:21,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11133 Valid, 14381 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-11-03 01:45:21,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55451 states. [2022-11-03 01:45:24,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55451 to 55447. [2022-11-03 01:45:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55447 states, 34349 states have (on average 1.3506943433578853) internal successors, (46395), 35975 states have internal predecessors, (46395), 18927 states have call successors, (18927), 2178 states have call predecessors, (18927), 2170 states have return successors, (18945), 18669 states have call predecessors, (18945), 18925 states have call successors, (18945) [2022-11-03 01:45:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55447 states to 55447 states and 84267 transitions. [2022-11-03 01:45:25,399 INFO L78 Accepts]: Start accepts. Automaton has 55447 states and 84267 transitions. Word has length 540 [2022-11-03 01:45:25,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:25,400 INFO L495 AbstractCegarLoop]: Abstraction has 55447 states and 84267 transitions. [2022-11-03 01:45:25,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-03 01:45:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 55447 states and 84267 transitions. [2022-11-03 01:45:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2022-11-03 01:45:25,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:25,714 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:25,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:45:25,714 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:25,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:25,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1194451862, now seen corresponding path program 1 times [2022-11-03 01:45:25,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:25,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102248684] [2022-11-03 01:45:25,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:25,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:26,224 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:45:26,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733861124] [2022-11-03 01:45:26,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:26,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:45:26,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:45:26,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:45:26,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:45:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:31,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 16049 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:45:31,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:45:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6345 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 5982 trivial. 0 not checked. [2022-11-03 01:45:35,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:45:35,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:35,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102248684] [2022-11-03 01:45:35,247 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:45:35,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733861124] [2022-11-03 01:45:35,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733861124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:35,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:35,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:45:35,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655616385] [2022-11-03 01:45:35,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:35,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:45:35,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:35,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:45:35,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:45:35,251 INFO L87 Difference]: Start difference. First operand 55447 states and 84267 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 01:45:37,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:40,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:46,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:50,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:52,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:02,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:03,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:03,564 INFO L93 Difference]: Finished difference Result 162783 states and 247413 transitions. [2022-11-03 01:46:03,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:46:03,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 541 [2022-11-03 01:46:03,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:04,276 INFO L225 Difference]: With dead ends: 162783 [2022-11-03 01:46:04,277 INFO L226 Difference]: Without dead ends: 107407 [2022-11-03 01:46:04,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:04,530 INFO L413 NwaCegarLoop]: 13132 mSDtfsCounter, 10092 mSDsluCounter, 11066 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10096 SdHoareTripleChecker+Valid, 23532 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:04,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10096 Valid, 23532 Invalid, 1368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1362 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2022-11-03 01:46:04,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107407 states. [2022-11-03 01:46:10,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107407 to 107381. [2022-11-03 01:46:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107381 states, 66551 states have (on average 1.3513395741611696) internal successors, (89933), 69693 states have internal predecessors, (89933), 36619 states have call successors, (36619), 4226 states have call predecessors, (36619), 4210 states have return successors, (36663), 36113 states have call predecessors, (36663), 36617 states have call successors, (36663) [2022-11-03 01:46:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107381 states to 107381 states and 163215 transitions. [2022-11-03 01:46:11,414 INFO L78 Accepts]: Start accepts. Automaton has 107381 states and 163215 transitions. Word has length 541 [2022-11-03 01:46:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:11,415 INFO L495 AbstractCegarLoop]: Abstraction has 107381 states and 163215 transitions. [2022-11-03 01:46:11,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 01:46:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 107381 states and 163215 transitions. [2022-11-03 01:46:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2022-11-03 01:46:11,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:11,457 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:11,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 01:46:11,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:46:11,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:11,674 INFO L85 PathProgramCache]: Analyzing trace with hash -592309736, now seen corresponding path program 1 times [2022-11-03 01:46:11,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:11,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47429342] [2022-11-03 01:46:11,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:11,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:12,575 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 01:46:12,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539386785] [2022-11-03 01:46:12,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:12,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:46:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:46:12,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:46:12,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:46:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:17,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 16073 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:46:17,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6345 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 5982 trivial. 0 not checked. [2022-11-03 01:46:17,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:46:17,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:17,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47429342] [2022-11-03 01:46:17,278 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 01:46:17,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539386785] [2022-11-03 01:46:17,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539386785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:17,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:17,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:46:17,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779773356] [2022-11-03 01:46:17,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:17,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:46:17,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:17,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:46:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:46:17,281 INFO L87 Difference]: Start difference. First operand 107381 states and 163215 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 01:46:21,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:22,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:31,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:33,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:34,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:38,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:42,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:53,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:54,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:56,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:58,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:59,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:59,710 INFO L93 Difference]: Finished difference Result 214715 states and 326356 transitions. [2022-11-03 01:46:59,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:46:59,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 543 [2022-11-03 01:46:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:00,597 INFO L225 Difference]: With dead ends: 214715 [2022-11-03 01:47:00,598 INFO L226 Difference]: Without dead ends: 107381 [2022-11-03 01:47:00,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:47:00,952 INFO L413 NwaCegarLoop]: 10507 mSDtfsCounter, 3 mSDsluCounter, 22353 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 31515 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:00,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 31515 Invalid, 2033 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2026 Invalid, 5 Unknown, 0 Unchecked, 37.9s Time] [2022-11-03 01:47:01,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107381 states. [2022-11-03 01:47:06,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107381 to 107381. [2022-11-03 01:47:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107381 states, 66551 states have (on average 1.3511592613183874) internal successors, (89921), 69693 states have internal predecessors, (89921), 36619 states have call successors, (36619), 4226 states have call predecessors, (36619), 4210 states have return successors, (36663), 36113 states have call predecessors, (36663), 36617 states have call successors, (36663) [2022-11-03 01:47:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107381 states to 107381 states and 163203 transitions. [2022-11-03 01:47:07,507 INFO L78 Accepts]: Start accepts. Automaton has 107381 states and 163203 transitions. Word has length 543 [2022-11-03 01:47:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:07,508 INFO L495 AbstractCegarLoop]: Abstraction has 107381 states and 163203 transitions. [2022-11-03 01:47:07,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 01:47:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 107381 states and 163203 transitions. [2022-11-03 01:47:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-11-03 01:47:07,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:07,526 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 37, 37, 37, 37, 37, 37, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:07,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 01:47:07,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74ff719d-d57b-47b5-84c8-c06cfcc6af62/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 01:47:07,753 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:07,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:07,754 INFO L85 PathProgramCache]: Analyzing trace with hash -519081797, now seen corresponding path program 1 times [2022-11-03 01:47:07,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:07,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538173394] [2022-11-03 01:47:07,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:07,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat