./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-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 e04fb08f 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_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-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_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a --- 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-e04fb08 [2022-11-16 11:44:46,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:44:46,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:44:46,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:44:46,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:44:46,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:44:46,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:44:46,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:44:46,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:44:46,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:44:46,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:44:46,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:44:46,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:44:46,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:44:46,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:44:46,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:44:46,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:44:46,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:44:46,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:44:46,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:44:46,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:44:46,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:44:46,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:44:46,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:44:46,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:44:46,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:44:46,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:44:46,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:44:46,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:44:46,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:44:46,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:44:46,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:44:46,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:44:46,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:44:46,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:44:46,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:44:46,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:44:46,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:44:46,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:44:46,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:44:46,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:44:46,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:44:46,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:44:46,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:44:46,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:44:46,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:44:46,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:44:46,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:44:46,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:44:46,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:44:46,808 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:44:46,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:44:46,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:44:46,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:44:46,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:44:46,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:44:46,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:44:46,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:44:46,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:44:46,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:44:46,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:44:46,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:44:46,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:44:46,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:44:46,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:44:46,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:44:46,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:44:46,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:44:46,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:44:46,816 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:44:46,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:44:46,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:44:46,817 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_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653bbac28ac5777df45378e95c3d4d049df50356a6a758af8df299c50637b77a [2022-11-16 11:44:47,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:44:47,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:44:47,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:44:47,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:44:47,170 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:44:47,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-16 11:44:47,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/data/49c7b3fac/6a943aee736a446ab1116349cbae8bf6/FLAG1a6924fd1 [2022-11-16 11:44:48,505 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:44:48,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-16 11:44:48,592 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/data/49c7b3fac/6a943aee736a446ab1116349cbae8bf6/FLAG1a6924fd1 [2022-11-16 11:44:48,621 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/data/49c7b3fac/6a943aee736a446ab1116349cbae8bf6 [2022-11-16 11:44:48,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:44:48,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:44:48,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:44:48,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:44:48,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:44:48,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:48" (1/1) ... [2022-11-16 11:44:48,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc3a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:48, skipping insertion in model container [2022-11-16 11:44:48,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:44:48" (1/1) ... [2022-11-16 11:44:48,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:44:48,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:44:49,558 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2022-11-16 11:44:49,559 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2022-11-16 11:44:50,134 WARN L229 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_4ed78d64-749f-4250-a9d3-82292ed74824/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2022-11-16 11:44:56,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:44:56,378 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:44:56,502 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4269] [2022-11-16 11:44:56,503 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4270-4271] [2022-11-16 11:44:56,513 WARN L229 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_4ed78d64-749f-4250-a9d3-82292ed74824/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i[125841,125854] [2022-11-16 11:44:57,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:44:57,790 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:44:57,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57 WrapperNode [2022-11-16 11:44:57,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:44:57,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:44:57,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:44:57,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:44:57,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:44:58,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:44:58,864 INFO L138 Inliner]: procedures = 600, calls = 14474, calls flagged for inlining = 262, calls inlined = 250, statements flattened = 29455 [2022-11-16 11:44:58,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:44:58,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:44:58,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:44:58,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:44:58,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:44:58,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:44:59,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:44:59,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:45:00,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:45:00,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:45:00,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:45:00,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:45:01,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:45:01,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:45:01,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:45:01,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:45:01,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (1/1) ... [2022-11-16 11:45:01,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:01,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:01,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:01,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed78d64-749f-4250-a9d3-82292ed74824/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:45:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_init [2022-11-16 11:45:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_init [2022-11-16 11:45:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_ec_hdr [2022-11-16 11:45:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_ec_hdr [2022-11-16 11:45:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_unmap_leb [2022-11-16 11:45:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_unmap_leb [2022-11-16 11:45:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-16 11:45:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-16 11:45:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-16 11:45:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-16 11:45:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-16 11:45:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_resize_volume [2022-11-16 11:45:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_resize_volume [2022-11-16 11:45:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_internal_volumes [2022-11-16 11:45:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_internal_volumes [2022-11-16 11:45:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure __schedule_ubi_work [2022-11-16 11:45:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __schedule_ubi_work [2022-11-16 11:45:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_volume_notify [2022-11-16 11:45:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_volume_notify [2022-11-16 11:45:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 11:45:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 11:45:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:45:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:45:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_detach_mtd_dev [2022-11-16 11:45:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_detach_mtd_dev [2022-11-16 11:45:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2022-11-16 11:45:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2022-11-16 11:45:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure erase_block [2022-11-16 11:45:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_block [2022-11-16 11:45:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_pending [2022-11-16 11:45:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_pending [2022-11-16 11:45:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-16 11:45:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-16 11:45:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-16 11:45:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-16 11:45:01,205 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2022-11-16 11:45:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2022-11-16 11:45:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2022-11-16 11:45:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2022-11-16 11:45:01,206 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_read_leb [2022-11-16 11:45:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_read_leb [2022-11-16 11:45:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_device_info [2022-11-16 11:45:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_device_info [2022-11-16 11:45:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_cdev_ioctl [2022-11-16 11:45:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_cdev_ioctl [2022-11-16 11:45:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_sysfs_close [2022-11-16 11:45:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_sysfs_close [2022-11-16 11:45:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure vtbl_check [2022-11-16 11:45:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure vtbl_check [2022-11-16 11:45:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove [2022-11-16 11:45:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove [2022-11-16 11:45:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_vid_hdr [2022-11-16 11:45:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_vid_hdr [2022-11-16 11:45:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_cdev_ioctl [2022-11-16 11:45:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_cdev_ioctl [2022-11-16 11:45:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_cleanup [2022-11-16 11:45:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_cleanup [2022-11-16 11:45:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-16 11:45:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-16 11:45:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_compare_lebs [2022-11-16 11:45:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_compare_lebs [2022-11-16 11:45:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_fm_peb [2022-11-16 11:45:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_fm_peb [2022-11-16 11:45:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:45:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:45:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-11-16 11:45:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-11-16 11:45:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_ioctl [2022-11-16 11:45:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_ioctl [2022-11-16 11:45:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_fastmap [2022-11-16 11:45:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_fastmap [2022-11-16 11:45:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure is_error_sane [2022-11-16 11:45:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure is_error_sane [2022-11-16 11:45:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_vid_hdr [2022-11-16 11:45:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_vid_hdr [2022-11-16 11:45:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vid_hdr [2022-11-16 11:45:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vid_hdr [2022-11-16 11:45:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure rb_next [2022-11-16 11:45:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_next [2022-11-16 11:45:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_volume [2022-11-16 11:45:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_volume [2022-11-16 11:45:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:45:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calc_data_len [2022-11-16 11:45:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calc_data_len [2022-11-16 11:45:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_data [2022-11-16 11:45:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_data [2022-11-16 11:45:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure dfs_file_write [2022-11-16 11:45:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dfs_file_write [2022-11-16 11:45:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_close [2022-11-16 11:45:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_close [2022-11-16 11:45:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_free_vid_hdr [2022-11-16 11:45:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_free_vid_hdr [2022-11-16 11:45:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:45:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-16 11:45:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-16 11:45:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2022-11-16 11:45:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2022-11-16 11:45:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_7 [2022-11-16 11:45:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_7 [2022-11-16 11:45:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_find_av [2022-11-16 11:45:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_find_av [2022-11-16 11:45:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 11:45:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 11:45:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-16 11:45:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-16 11:45:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:45:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:45:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ubi_work [2022-11-16 11:45:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ubi_work [2022-11-16 11:45:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase___0 [2022-11-16 11:45:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase___0 [2022-11-16 11:45:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:45:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:45:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure dev_attribute_show [2022-11-16 11:45:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_attribute_show [2022-11-16 11:45:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-16 11:45:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-16 11:45:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_ec_hdr [2022-11-16 11:45:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_ec_hdr [2022-11-16 11:45:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:45:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_not_bad [2022-11-16 11:45:01,232 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_not_bad [2022-11-16 11:45:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 11:45:01,232 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 11:45:01,232 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_div_by_eb [2022-11-16 11:45:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_div_by_eb [2022-11-16 11:45:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_nolock [2022-11-16 11:45:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_nolock [2022-11-16 11:45:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-16 11:45:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-16 11:45:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:45:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:45:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_calculate_reserved [2022-11-16 11:45:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_calculate_reserved [2022-11-16 11:45:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit_dev [2022-11-16 11:45:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit_dev [2022-11-16 11:45:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:45:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr [2022-11-16 11:45:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr [2022-11-16 11:45:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure find_mean_wl_entry [2022-11-16 11:45:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure find_mean_wl_entry [2022-11-16 11:45:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:45:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-16 11:45:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-16 11:45:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:45:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:45:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_data [2022-11-16 11:45:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_data [2022-11-16 11:45:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_add [2022-11-16 11:45:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_add [2022-11-16 11:45:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:45:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:45:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume_nm [2022-11-16 11:45:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume_nm [2022-11-16 11:45:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-16 11:45:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-16 11:45:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-16 11:45:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-16 11:45:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2022-11-16 11:45:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2022-11-16 11:45:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-16 11:45:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-16 11:45:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 11:45:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 11:45:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 11:45:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 11:45:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2022-11-16 11:45:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2022-11-16 11:45:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure new_fm_vhdr [2022-11-16 11:45:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure new_fm_vhdr [2022-11-16 11:45:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2022-11-16 11:45:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure yield [2022-11-16 11:45:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-16 11:45:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-16 11:45:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure find_wl_entry [2022-11-16 11:45:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure find_wl_entry [2022-11-16 11:45:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2022-11-16 11:45:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2022-11-16 11:45:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_io [2022-11-16 11:45:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_io [2022-11-16 11:45:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_bytes [2022-11-16 11:45:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_bytes [2022-11-16 11:45:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure __vmalloc [2022-11-16 11:45:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __vmalloc [2022-11-16 11:45:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_is_bad [2022-11-16 11:45:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_is_bad [2022-11-16 11:45:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure vol_id2idx [2022-11-16 11:45:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_id2idx [2022-11-16 11:45:01,243 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_attach_mtd_dev [2022-11-16 11:45:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_attach_mtd_dev [2022-11-16 11:45:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-16 11:45:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-16 11:45:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:45:01,244 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_update_reserved [2022-11-16 11:45:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_update_reserved [2022-11-16 11:45:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_fm_peb [2022-11-16 11:45:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_fm_peb [2022-11-16 11:45:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure in_wl_tree [2022-11-16 11:45:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure in_wl_tree [2022-11-16 11:45:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_ai [2022-11-16 11:45:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_ai [2022-11-16 11:45:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-16 11:45:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-16 11:45:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_get_peb [2022-11-16 11:45:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_get_peb [2022-11-16 11:45:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 11:45:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 11:45:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:45:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_ai [2022-11-16 11:45:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_ai [2022-11-16 11:45:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:45:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-16 11:45:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-16 11:45:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:45:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_aeb [2022-11-16 11:45:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_aeb [2022-11-16 11:45:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_av [2022-11-16 11:45:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_av [2022-11-16 11:45:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-16 11:45:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-16 11:45:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 11:45:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 11:45:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write_leb [2022-11-16 11:45:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure write_leb [2022-11-16 11:45:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2022-11-16 11:45:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2022-11-16 11:45:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-16 11:45:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-16 11:45:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_erase [2022-11-16 11:45:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_erase [2022-11-16 11:45:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure prot_queue_del [2022-11-16 11:45:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure prot_queue_del [2022-11-16 11:45:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure validate_ec_hdr [2022-11-16 11:45:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_ec_hdr [2022-11-16 11:45:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_compat [2022-11-16 11:45:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_compat [2022-11-16 11:45:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_chk_gen [2022-11-16 11:45:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_chk_gen [2022-11-16 11:45:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_av [2022-11-16 11:45:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_av [2022-11-16 11:45:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-16 11:45:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-16 11:45:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_device [2022-11-16 11:45:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_device [2022-11-16 11:45:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2022-11-16 11:45:01,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2022-11-16 11:45:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_vid_hdr [2022-11-16 11:45:01,254 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_vid_hdr [2022-11-16 11:45:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2022-11-16 11:45:01,254 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2022-11-16 11:45:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_lock [2022-11-16 11:45:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_lock [2022-11-16 11:45:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path [2022-11-16 11:45:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path [2022-11-16 11:45:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-16 11:45:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-16 11:45:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2022-11-16 11:45:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2022-11-16 11:45:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read [2022-11-16 11:45:01,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read [2022-11-16 11:45:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 11:45:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 11:45:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_change_vtbl_record [2022-11-16 11:45:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_change_vtbl_record [2022-11-16 11:45:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 11:45:01,257 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 11:45:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_write [2022-11-16 11:45:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_write [2022-11-16 11:45:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure uif_close [2022-11-16 11:45:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure uif_close [2022-11-16 11:45:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-16 11:45:01,258 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-16 11:45:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_remove_all [2022-11-16 11:45:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_remove_all [2022-11-16 11:45:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_atomic_leb_change [2022-11-16 11:45:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_atomic_leb_change [2022-11-16 11:45:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:45:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:45:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 11:45:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 11:45:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_ro_mode [2022-11-16 11:45:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_ro_mode [2022-11-16 11:45:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-16 11:45:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-16 11:45:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 11:45:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 11:45:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-16 11:45:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-16 11:45:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:45:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:45:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:45:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:45:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 11:45:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 11:45:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure scan_all [2022-11-16 11:45:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_all [2022-11-16 11:45:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-16 11:45:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-16 11:45:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_flash [2022-11-16 11:45:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_flash [2022-11-16 11:45:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_is_fm_block [2022-11-16 11:45:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_is_fm_block [2022-11-16 11:45:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2022-11-16 11:45:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_fetch_request [2022-11-16 11:45:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure leb_write_unlock [2022-11-16 11:45:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_write_unlock [2022-11-16 11:45:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2022-11-16 11:45:01,264 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2022-11-16 11:45:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_sync_erase [2022-11-16 11:45:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_sync_erase [2022-11-16 11:45:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:45:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:45:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:45:01,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:45:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure idx2vol_id [2022-11-16 11:45:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure idx2vol_id [2022-11-16 11:45:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-16 11:45:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-16 11:45:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-16 11:45:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-16 11:45:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-16 11:45:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-16 11:45:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure vol_attribute_show [2022-11-16 11:45:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_attribute_show [2022-11-16 11:45:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_peb_ec_hdr [2022-11-16 11:45:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_peb_ec_hdr [2022-11-16 11:45:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vol_info [2022-11-16 11:45:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vol_info [2022-11-16 11:45:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:45:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:45:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_peb_for_wl [2022-11-16 11:45:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_peb_for_wl [2022-11-16 11:45:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:45:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:45:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-16 11:45:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-16 11:45:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-16 11:45:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-16 11:45:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure blocking_notifier_call_chain [2022-11-16 11:45:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure blocking_notifier_call_chain [2022-11-16 11:45:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure create_vtbl [2022-11-16 11:45:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure create_vtbl [2022-11-16 11:45:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2022-11-16 11:45:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2022-11-16 11:45:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-16 11:45:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-16 11:45:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-16 11:45:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-16 11:45:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-16 11:45:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-16 11:45:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:45:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure do_work [2022-11-16 11:45:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure do_work [2022-11-16 11:45:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:45:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:45:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_in_wl_tree [2022-11-16 11:45:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_in_wl_tree [2022-11-16 11:45:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_open_volume [2022-11-16 11:45:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_open_volume [2022-11-16 11:45:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_check_pattern [2022-11-16 11:45:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_check_pattern [2022-11-16 11:45:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_bitflip [2022-11-16 11:45:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_bitflip [2022-11-16 11:45:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_eba_write_leb [2022-11-16 11:45:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_eba_write_leb [2022-11-16 11:45:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-16 11:45:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-16 11:45:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-16 11:45:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-16 11:45:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:45:01,274 INFO L130 BoogieDeclarations]: Found specification of procedure vol_cdev_fsync [2022-11-16 11:45:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vol_cdev_fsync [2022-11-16 11:45:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_mtd_device [2022-11-16 11:45:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mtd_device [2022-11-16 11:45:01,275 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_put_device [2022-11-16 11:45:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_put_device [2022-11-16 11:45:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure assign_aeb_to_av [2022-11-16 11:45:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_aeb_to_av [2022-11-16 11:45:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-16 11:45:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-16 11:45:01,276 INFO L130 BoogieDeclarations]: Found specification of procedure clear_update_marker [2022-11-16 11:45:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_update_marker [2022-11-16 11:45:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 11:45:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 11:45:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-16 11:45:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-16 11:45:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure scan_peb [2022-11-16 11:45:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_peb [2022-11-16 11:45:01,277 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-16 11:45:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-16 11:45:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure validate_vid_hdr___0 [2022-11-16 11:45:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_vid_hdr___0 [2022-11-16 11:45:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___3 [2022-11-16 11:45:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___3 [2022-11-16 11:45:01,278 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_create [2022-11-16 11:45:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_create [2022-11-16 11:45:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:45:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___0 [2022-11-16 11:45:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___0 [2022-11-16 11:45:01,279 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 11:45:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 11:45:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_zalloc_vid_hdr___4 [2022-11-16 11:45:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_zalloc_vid_hdr___4 [2022-11-16 11:45:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_self_check_all_ff [2022-11-16 11:45:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_self_check_all_ff [2022-11-16 11:45:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-16 11:45:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-16 11:45:01,280 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_eccerr [2022-11-16 11:45:01,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_eccerr [2022-11-16 11:45:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_close_volume [2022-11-16 11:45:01,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_close_volume [2022-11-16 11:45:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_put_peb [2022-11-16 11:45:01,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_put_peb [2022-11-16 11:45:01,281 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 11:45:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 11:45:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-16 11:45:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-16 11:45:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:45:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:45:01,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-11-16 11:45:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-11-16 11:45:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-16 11:45:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-16 11:45:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:45:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:45:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_wear_leveling [2022-11-16 11:45:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_wear_leveling [2022-11-16 11:45:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure leb_read_unlock [2022-11-16 11:45:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure leb_read_unlock [2022-11-16 11:45:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 11:45:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 11:45:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_next_sqnum [2022-11-16 11:45:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_next_sqnum [2022-11-16 11:45:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_read_ec_hdr [2022-11-16 11:45:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_read_ec_hdr [2022-11-16 11:45:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure bio_has_data [2022-11-16 11:45:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_has_data [2022-11-16 11:45:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_add_entry [2022-11-16 11:45:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_add_entry [2022-11-16 11:45:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure volume_sysfs_close [2022-11-16 11:45:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure volume_sysfs_close [2022-11-16 11:45:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure revoke_exclusive [2022-11-16 11:45:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure revoke_exclusive [2022-11-16 11:45:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:45:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:45:01,286 INFO L130 BoogieDeclarations]: Found specification of procedure return_unused_pool_pebs [2022-11-16 11:45:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure return_unused_pool_pebs [2022-11-16 11:45:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 11:45:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 11:45:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-16 11:45:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-16 11:45:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dump_vtbl_record [2022-11-16 11:45:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dump_vtbl_record [2022-11-16 11:45:01,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-16 11:45:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-16 11:45:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure erase_worker [2022-11-16 11:45:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure erase_worker [2022-11-16 11:45:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure do_sync_erase [2022-11-16 11:45:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sync_erase [2022-11-16 11:45:01,288 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_add_to_av [2022-11-16 11:45:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_add_to_av [2022-11-16 11:45:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-16 11:45:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-16 11:45:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-16 11:45:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-16 11:45:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:45:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:45:01,289 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-16 11:45:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-16 11:45:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-16 11:45:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-16 11:45:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:45:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-16 11:45:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-16 11:45:01,290 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_remove_volume [2022-11-16 11:45:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_remove_volume [2022-11-16 11:45:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 11:45:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 11:45:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:45:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:45:01,291 INFO L130 BoogieDeclarations]: Found specification of procedure ltree_lookup [2022-11-16 11:45:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ltree_lookup [2022-11-16 11:45:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_getgeo [2022-11-16 11:45:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_getgeo [2022-11-16 11:45:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-16 11:45:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-16 11:45:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-16 11:45:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-16 11:45:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 11:45:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 11:45:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_wl_flush [2022-11-16 11:45:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_wl_flush [2022-11-16 11:45:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_list [2022-11-16 11:45:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_list [2022-11-16 11:45:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure self_check_volumes [2022-11-16 11:45:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure self_check_volumes [2022-11-16 11:45:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure kill_volumes [2022-11-16 11:45:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_volumes [2022-11-16 11:45:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_dbg_is_bgt_disabled [2022-11-16 11:45:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_dbg_is_bgt_disabled [2022-11-16 11:45:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_notify_all [2022-11-16 11:45:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_notify_all [2022-11-16 11:45:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-16 11:45:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-16 11:45:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write [2022-11-16 11:45:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write [2022-11-16 11:45:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2022-11-16 11:45:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2022-11-16 11:45:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure scan_pool [2022-11-16 11:45:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_pool [2022-11-16 11:45:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-16 11:45:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-16 11:45:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure add_aeb [2022-11-16 11:45:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure add_aeb [2022-11-16 11:45:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2022-11-16 11:45:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2022-11-16 11:45:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_debugfs_exit [2022-11-16 11:45:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_debugfs_exit [2022-11-16 11:45:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_exclusive [2022-11-16 11:45:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exclusive [2022-11-16 11:45:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_major2num [2022-11-16 11:45:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_major2num [2022-11-16 11:45:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_do_get_volume_info [2022-11-16 11:45:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_do_get_volume_info [2022-11-16 11:45:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-16 11:45:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-16 11:45:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-16 11:45:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-16 11:45:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:45:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:45:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-11-16 11:45:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-11-16 11:45:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_get_volume_info [2022-11-16 11:45:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_get_volume_info [2022-11-16 11:45:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure tree_destroy [2022-11-16 11:45:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_destroy [2022-11-16 11:45:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:45:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure ubi_io_write_ec_hdr [2022-11-16 11:45:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ubi_io_write_ec_hdr [2022-11-16 11:45:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure find_anchor_wl_entry [2022-11-16 11:45:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure find_anchor_wl_entry [2022-11-16 11:45:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-16 11:45:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-16 11:45:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-16 11:45:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-16 11:45:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure ubiblock_notify [2022-11-16 11:45:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ubiblock_notify [2022-11-16 11:45:01,301 INFO L130 BoogieDeclarations]: Found specification of procedure wl_tree_add [2022-11-16 11:45:01,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wl_tree_add [2022-11-16 11:45:04,401 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:45:04,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:45:04,757 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:51:23,557 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:51:23,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:51:23,606 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:51:23,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:23 BoogieIcfgContainer [2022-11-16 11:51:23,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:51:23,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:51:23,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:51:23,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:51:23,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:44:48" (1/3) ... [2022-11-16 11:51:23,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a40a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:51:23, skipping insertion in model container [2022-11-16 11:51:23,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:44:57" (2/3) ... [2022-11-16 11:51:23,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a40a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:51:23, skipping insertion in model container [2022-11-16 11:51:23,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:23" (3/3) ... [2022-11-16 11:51:23,633 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--mtd--ubi--ubi.ko-entry_point.cil.out.i [2022-11-16 11:51:23,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:51:23,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:51:23,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:51:23,904 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29b669f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:51:23,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:51:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 8864 states, 5833 states have (on average 1.3725355734613407) internal successors, (8006), 6108 states have internal predecessors, (8006), 2765 states have call successors, (2765), 265 states have call predecessors, (2765), 264 states have return successors, (2735), 2680 states have call predecessors, (2735), 2735 states have call successors, (2735) [2022-11-16 11:51:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-16 11:51:23,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:51:23,994 INFO L195 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:51:23,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:51:24,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1593535765, now seen corresponding path program 1 times [2022-11-16 11:51:24,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:24,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640717651] [2022-11-16 11:51:24,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:51:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:51:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:51:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:51:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:51:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:51:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:51:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:51:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:51:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:51:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:51:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:51:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:51:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:51:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 11:51:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:51:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:51:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 11:51:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:51:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:51:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:51:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:51:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:51:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:51:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:51:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:51:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:51:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:51:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:51:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-16 11:51:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-16 11:51:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 11:51:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 11:51:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-16 11:51:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 11:51:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:51:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 11:51:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:51:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-16 11:51:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-16 11:51:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-16 11:51:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-16 11:51:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-16 11:51:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2022-11-16 11:51:26,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:51:26,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640717651] [2022-11-16 11:51:26,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640717651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:51:26,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:51:26,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:51:26,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450707611] [2022-11-16 11:51:26,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:51:26,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:51:26,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:51:26,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:51:26,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:51:26,820 INFO L87 Difference]: Start difference. First operand has 8864 states, 5833 states have (on average 1.3725355734613407) internal successors, (8006), 6108 states have internal predecessors, (8006), 2765 states have call successors, (2765), 265 states have call predecessors, (2765), 264 states have return successors, (2735), 2680 states have call predecessors, (2735), 2735 states have call successors, (2735) Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-16 11:51:29,184 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 [] [2022-11-16 11:51:37,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:51:39,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:51:41,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:51:49,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:51:53,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:06,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:11,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:19,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:25,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:29,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:33,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:40,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:53:23,259 INFO L93 Difference]: Finished difference Result 26032 states and 41202 transitions. [2022-11-16 11:53:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:53:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 284 [2022-11-16 11:53:23,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:53:23,438 INFO L225 Difference]: With dead ends: 26032 [2022-11-16 11:53:23,438 INFO L226 Difference]: Without dead ends: 17080 [2022-11-16 11:53:23,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:53:23,550 INFO L413 NwaCegarLoop]: 16839 mSDtfsCounter, 12236 mSDsluCounter, 17065 mSDsCounter, 0 mSdLazyCounter, 12868 mSolverCounterSat, 5026 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14246 SdHoareTripleChecker+Valid, 33904 SdHoareTripleChecker+Invalid, 17905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 5026 IncrementalHoareTripleChecker+Valid, 12868 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:53:23,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14246 Valid, 33904 Invalid, 17905 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [5026 Valid, 12868 Invalid, 11 Unknown, 0 Unchecked, 114.2s Time] [2022-11-16 11:53:23,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17080 states. [2022-11-16 11:53:24,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17080 to 16351. [2022-11-16 11:53:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16351 states, 10793 states have (on average 1.368108959510794) internal successors, (14766), 11255 states have internal predecessors, (14766), 5052 states have call successors, (5052), 504 states have call predecessors, (5052), 505 states have return successors, (5081), 4941 states have call predecessors, (5081), 5050 states have call successors, (5081) [2022-11-16 11:53:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16351 states to 16351 states and 24899 transitions. [2022-11-16 11:53:25,114 INFO L78 Accepts]: Start accepts. Automaton has 16351 states and 24899 transitions. Word has length 284 [2022-11-16 11:53:25,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:53:25,116 INFO L495 AbstractCegarLoop]: Abstraction has 16351 states and 24899 transitions. [2022-11-16 11:53:25,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-16 11:53:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 16351 states and 24899 transitions. [2022-11-16 11:53:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-16 11:53:25,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:53:25,132 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 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, 1, 1, 1, 1] [2022-11-16 11:53:25,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:53:25,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:53:25,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:53:25,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1765897039, now seen corresponding path program 1 times [2022-11-16 11:53:25,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:53:25,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429029677] [2022-11-16 11:53:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:53:25,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:53:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:53:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:53:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:53:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:53:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:53:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:53:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:53:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:53:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:53:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:53:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:53:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:53:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:53:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:53:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 11:53:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:53:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:53:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 11:53:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:53:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:53:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:53:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:53:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:53:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:53:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:53:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:53:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:53:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:53:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:53:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-16 11:53:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-16 11:53:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 11:53:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 11:53:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-16 11:53:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 11:53:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:53:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 11:53:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:53:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-16 11:53:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:53:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 11:53:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-16 11:53:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:53:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-16 11:53:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-16 11:53:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:53:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:53:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:53:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:53:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3124 trivial. 0 not checked. [2022-11-16 11:53:27,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:53:27,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429029677] [2022-11-16 11:53:27,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429029677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:53:27,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:53:27,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:53:27,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434573573] [2022-11-16 11:53:27,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:53:27,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:53:27,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:53:27,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:53:27,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:53:27,436 INFO L87 Difference]: Start difference. First operand 16351 states and 24899 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-16 11:53:29,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:31,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:49,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:50,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:53,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:11,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:14,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:44,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:46,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:49,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:51,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:03,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:05,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:08,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:10,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:31,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:34,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:41,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:44,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:48,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:50,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:02,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:04,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:06,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:08,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:23,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:23,484 INFO L93 Difference]: Finished difference Result 55836 states and 87183 transitions. [2022-11-16 11:58:23,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:58:23,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 6 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 324 [2022-11-16 11:58:23,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:23,773 INFO L225 Difference]: With dead ends: 55836 [2022-11-16 11:58:23,773 INFO L226 Difference]: Without dead ends: 39564 [2022-11-16 11:58:23,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:58:23,874 INFO L413 NwaCegarLoop]: 12546 mSDtfsCounter, 25803 mSDsluCounter, 23902 mSDsCounter, 0 mSdLazyCounter, 40162 mSolverCounterSat, 22619 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 274.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29021 SdHoareTripleChecker+Valid, 36448 SdHoareTripleChecker+Invalid, 62803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 22619 IncrementalHoareTripleChecker+Valid, 40162 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 291.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:58:23,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29021 Valid, 36448 Invalid, 62803 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [22619 Valid, 40162 Invalid, 22 Unknown, 0 Unchecked, 291.6s Time] [2022-11-16 11:58:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39564 states. [2022-11-16 11:58:27,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39564 to 32536. [2022-11-16 11:58:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32536 states, 21488 states have (on average 1.3687639612807148) internal successors, (29412), 22421 states have internal predecessors, (29412), 10030 states have call successors, (10030), 1004 states have call predecessors, (10030), 1017 states have return successors, (10110), 9810 states have call predecessors, (10110), 10028 states have call successors, (10110) [2022-11-16 11:58:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32536 states to 32536 states and 49552 transitions. [2022-11-16 11:58:28,330 INFO L78 Accepts]: Start accepts. Automaton has 32536 states and 49552 transitions. Word has length 324 [2022-11-16 11:58:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:28,331 INFO L495 AbstractCegarLoop]: Abstraction has 32536 states and 49552 transitions. [2022-11-16 11:58:28,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-16 11:58:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32536 states and 49552 transitions. [2022-11-16 11:58:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-16 11:58:28,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:28,346 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:58:28,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:58:28,346 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:58:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:28,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1605596075, now seen corresponding path program 1 times [2022-11-16 11:58:28,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:58:28,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621816483] [2022-11-16 11:58:28,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:58:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:58:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:58:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:58:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:58:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:58:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:58:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:58:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:58:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:58:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:58:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:58:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:58:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:58:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:58:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 11:58:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-16 11:58:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-16 11:58:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 11:58:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-16 11:58:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-16 11:58:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:58:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-16 11:58:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-16 11:58:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:58:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:58:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:58:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:58:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:58:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:58:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-16 11:58:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-16 11:58:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-16 11:58:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-16 11:58:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-16 11:58:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-16 11:58:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:58:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 11:58:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-16 11:58:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-16 11:58:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-16 11:58:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:58:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-16 11:58:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:58:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-16 11:58:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:58:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-16 11:58:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2022-11-16 11:58:30,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:58:30,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621816483] [2022-11-16 11:58:30,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621816483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:58:30,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:58:30,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:58:30,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752659894] [2022-11-16 11:58:30,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:58:30,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:58:30,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:58:30,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:58:30,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:58:30,677 INFO L87 Difference]: Start difference. First operand 32536 states and 49552 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-16 11:58:32,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:34,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:43,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []