./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:59:40,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:59:40,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:59:40,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:59:40,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:59:40,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:59:40,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:59:40,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:59:40,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:59:40,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:59:40,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:59:40,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:59:40,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:59:40,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:59:40,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:59:40,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:59:40,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:59:40,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:59:40,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:59:40,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:59:40,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:59:40,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:59:40,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:59:40,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:59:40,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:59:40,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:59:40,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:59:40,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:59:40,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:59:40,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:59:40,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:59:40,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:59:40,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:59:40,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:59:40,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:59:40,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:59:40,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:59:40,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:59:40,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:59:40,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:59:40,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:59:40,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:59:40,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:59:40,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:59:40,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:59:40,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:59:40,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:59:40,949 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:59:40,949 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:59:40,949 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:59:40,950 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:59:40,950 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:59:40,966 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:59:40,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:59:40,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:59:40,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:59:40,967 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:59:40,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:59:40,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:59:40,968 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:59:40,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:59:40,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:59:40,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:59:40,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:59:40,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:59:40,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:59:40,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:59:40,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:59:40,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:59:40,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:59:40,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:59:40,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:40,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:59:40,974 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:59:40,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:59:40,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:59:40,975 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:59:40,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:59:40,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:59:40,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:59:40,976 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_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 [2022-11-03 01:59:41,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:59:41,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:59:41,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:59:41,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:59:41,385 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:59:41,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 01:59:41,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/data/0cc3e0694/f2f42e9ae48944798414dd407dec9078/FLAG58d70b7af [2022-11-03 01:59:42,899 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:59:42,901 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 01:59:43,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/data/0cc3e0694/f2f42e9ae48944798414dd407dec9078/FLAG58d70b7af [2022-11-03 01:59:43,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/data/0cc3e0694/f2f42e9ae48944798414dd407dec9078 [2022-11-03 01:59:43,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:59:43,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:59:43,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:43,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:59:43,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:59:43,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:43" (1/1) ... [2022-11-03 01:59:43,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed5d0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:43, skipping insertion in model container [2022-11-03 01:59:43,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:59:43" (1/1) ... [2022-11-03 01:59:43,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:59:43,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:59:51,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2022-11-03 01:59:52,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:52,624 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:59:53,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[593537,593550] [2022-11-03 01:59:53,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:59:54,198 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:59:54,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54 WrapperNode [2022-11-03 01:59:54,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:59:54,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:54,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:59:54,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:59:54,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:54,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:55,187 INFO L138 Inliner]: procedures = 713, calls = 7535, calls flagged for inlining = 297, calls inlined = 287, statements flattened = 15386 [2022-11-03 01:59:55,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:59:55,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:59:55,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:59:55,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:59:55,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:55,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:55,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:55,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:56,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:56,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:56,327 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:56,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:56,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:59:56,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:59:56,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:59:56,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:59:56,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (1/1) ... [2022-11-03 01:59:56,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:59:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:59:56,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:59:56,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:59:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:59:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:59:56,817 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:59:56,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:59:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 01:59:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:59:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:59:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:59:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:59:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-03 01:59:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-03 01:59:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:59:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:59:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 01:59:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 01:59:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-03 01:59:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-03 01:59:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:59:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:59:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-03 01:59:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-03 01:59:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-03 01:59:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-03 01:59:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-03 01:59:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-03 01:59:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 01:59:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 01:59:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:59:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:59:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:59:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 01:59:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2022-11-03 01:59:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2022-11-03 01:59:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-03 01:59:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-03 01:59:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 01:59:56,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 01:59:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-03 01:59:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-03 01:59:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:59:56,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:59:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 01:59:56,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 01:59:56,837 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:59:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:59:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:59:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:59:56,838 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:59:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:59:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-03 01:59:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-03 01:59:56,839 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-03 01:59:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-03 01:59:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:59:56,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:59:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-03 01:59:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-03 01:59:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-03 01:59:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-03 01:59:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-03 01:59:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-03 01:59:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-03 01:59:56,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-03 01:59:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-03 01:59:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-03 01:59:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 01:59:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 01:59:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:59:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:59:56,844 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-03 01:59:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-03 01:59:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:59:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:59:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:59:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:59:56,846 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-03 01:59:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-03 01:59:56,846 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:59:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:59:56,847 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-03 01:59:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-03 01:59:56,847 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:59:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-03 01:59:56,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:59:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:59:56,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:59:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:59:56,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:59:56,849 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:59:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:59:56,849 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-03 01:59:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-03 01:59:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-03 01:59:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-03 01:59:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-03 01:59:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-03 01:59:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-03 01:59:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-03 01:59:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-03 01:59:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-03 01:59:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-03 01:59:56,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-03 01:59:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:59:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:59:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-03 01:59:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-03 01:59:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-03 01:59:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-03 01:59:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-03 01:59:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-03 01:59:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:59:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:59:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-03 01:59:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-03 01:59:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:59:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:59:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-03 01:59:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-03 01:59:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 01:59:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 01:59:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:59:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-03 01:59:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-03 01:59:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:59:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:59:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:59:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:59:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:59:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:59:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-03 01:59:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-03 01:59:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2022-11-03 01:59:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2022-11-03 01:59:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-03 01:59:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-03 01:59:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-03 01:59:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-03 01:59:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:59:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-03 01:59:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-03 01:59:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-03 01:59:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-03 01:59:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:59:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:59:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:59:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 01:59:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 01:59:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-03 01:59:56,876 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-03 01:59:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-03 01:59:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-03 01:59:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:59:56,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:59:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:59:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:59:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-03 01:59:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-03 01:59:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 01:59:56,878 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 01:59:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-03 01:59:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-03 01:59:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 01:59:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 01:59:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 01:59:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 01:59:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-03 01:59:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-03 01:59:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-03 01:59:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-03 01:59:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:59:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:59:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:59:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:59:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:59:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-03 01:59:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-03 01:59:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-03 01:59:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2022-11-03 01:59:56,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2022-11-03 01:59:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 01:59:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 01:59:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-03 01:59:56,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-03 01:59:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:59:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-03 01:59:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-03 01:59:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-03 01:59:56,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-03 01:59:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-03 01:59:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-03 01:59:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:59:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:59:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:59:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-03 01:59:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-03 01:59:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:59:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:59:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:59:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:59:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-03 01:59:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-03 01:59:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:59:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:59:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-03 01:59:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-03 01:59:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:59:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:59:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-03 01:59:56,904 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-03 01:59:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-03 01:59:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-03 01:59:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:59:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:59:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-03 01:59:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-03 01:59:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:59:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:59:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-03 01:59:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-03 01:59:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-03 01:59:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-03 01:59:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:59:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:59:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-03 01:59:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-03 01:59:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:59:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:59:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-03 01:59:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-03 01:59:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:59:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:59:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:59:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:59:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-03 01:59:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-03 01:59:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-03 01:59:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-03 01:59:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 01:59:56,910 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 01:59:56,910 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-03 01:59:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-03 01:59:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:59:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:59:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:59:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:59:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-03 01:59:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-03 01:59:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2022-11-03 01:59:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2022-11-03 01:59:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-03 01:59:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-03 01:59:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:59:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:59:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-03 01:59:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-03 01:59:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:59:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:59:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-03 01:59:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-03 01:59:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-03 01:59:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-03 01:59:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:59:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:59:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-03 01:59:56,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-03 01:59:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:59:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:59:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:59:56,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:59:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 01:59:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 01:59:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:59:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:59:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:59:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:59:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-03 01:59:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-03 01:59:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 01:59:56,918 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 01:59:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:59:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:59:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:59:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:59:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-03 01:59:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-03 01:59:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2022-11-03 01:59:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2022-11-03 01:59:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:59:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-03 01:59:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-03 01:59:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 01:59:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 01:59:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:59:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:59:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-03 01:59:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-03 01:59:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-03 01:59:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-03 01:59:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-03 01:59:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-03 01:59:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 01:59:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 01:59:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-03 01:59:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-03 01:59:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-03 01:59:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-03 01:59:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:59:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:59:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:59:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:59:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 01:59:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 01:59:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:59:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:59:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:59:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:59:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-03 01:59:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-03 01:59:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:59:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:59:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:59:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:59:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-03 01:59:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-03 01:59:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 01:59:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 01:59:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:59:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:59:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-03 01:59:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-03 01:59:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:59:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:59:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 01:59:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 01:59:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-03 01:59:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-03 01:59:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-03 01:59:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-03 01:59:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:59:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:59:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-03 01:59:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-03 01:59:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:59:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:59:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:59:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:59:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-03 01:59:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-03 01:59:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:59:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:59:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:59:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-03 01:59:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-03 01:59:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:59:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:59:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-03 01:59:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-03 01:59:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:59:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:59:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-03 01:59:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-03 01:59:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-03 01:59:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-03 01:59:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-11-03 01:59:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-11-03 01:59:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:59:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 01:59:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 01:59:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-03 01:59:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-03 01:59:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-03 01:59:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-03 01:59:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 01:59:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 01:59:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:59:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:59:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:59:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-03 01:59:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-03 01:59:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-03 01:59:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-03 01:59:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-03 01:59:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-03 01:59:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:59:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:59:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-03 01:59:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-03 01:59:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:59:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:59:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:59:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:59:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-03 01:59:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-03 01:59:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-03 01:59:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-03 01:59:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 01:59:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 01:59:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-03 01:59:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-03 01:59:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-03 01:59:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-03 01:59:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 01:59:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 01:59:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:59:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:59:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:59:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:59:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-03 01:59:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-03 01:59:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:59:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:59:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-03 01:59:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-03 01:59:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:59:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:59:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:59:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:59:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:59:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:59:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-03 01:59:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-03 01:59:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:59:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:59:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-03 01:59:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-03 01:59:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-03 01:59:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-03 01:59:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:59:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 01:59:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 01:59:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 01:59:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 01:59:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:59:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:59:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-03 01:59:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-03 01:59:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-03 01:59:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-03 01:59:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-03 01:59:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-03 01:59:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 01:59:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 01:59:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:59:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:59:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-03 01:59:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-03 01:59:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-03 01:59:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-03 01:59:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:59:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:59:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-03 01:59:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-03 01:59:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-03 01:59:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-03 01:59:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:59:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:59:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:59:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 01:59:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-03 01:59:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-03 01:59:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 01:59:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 01:59:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-03 01:59:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-03 01:59:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-03 01:59:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-03 01:59:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:59:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:59:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:59:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:59:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2022-11-03 01:59:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2022-11-03 01:59:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-03 01:59:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-03 01:59:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-03 01:59:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-03 01:59:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-11-03 01:59:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-11-03 01:59:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-03 01:59:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-03 01:59:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-03 01:59:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-03 01:59:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-03 01:59:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-03 01:59:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:59:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:59:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-03 01:59:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-03 01:59:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:59:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:59:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-03 01:59:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-03 01:59:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-03 01:59:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-03 01:59:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-03 01:59:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-03 01:59:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-03 01:59:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-03 01:59:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:59:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:59:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:59:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:59:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 01:59:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 01:59:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2022-11-03 01:59:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2022-11-03 01:59:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:59:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-03 01:59:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-03 01:59:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-03 01:59:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-03 01:59:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-03 01:59:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-03 01:59:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 01:59:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 01:59:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-03 01:59:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-03 01:59:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-03 01:59:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-03 01:59:59,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:59:59,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:59:59,509 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:00:39,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:00:48,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:00:48,388 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:00:48,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:00:48 BoogieIcfgContainer [2022-11-03 02:00:48,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:00:48,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:00:48,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:00:48,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:00:48,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:59:43" (1/3) ... [2022-11-03 02:00:48,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110fc317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:00:48, skipping insertion in model container [2022-11-03 02:00:48,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:59:54" (2/3) ... [2022-11-03 02:00:48,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110fc317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:00:48, skipping insertion in model container [2022-11-03 02:00:48,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:00:48" (3/3) ... [2022-11-03 02:00:48,411 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 02:00:48,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:00:48,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:00:48,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:00:48,626 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60bc1908, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:00:48,627 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:00:48,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 4010 states, 2466 states have (on average 1.3454987834549879) internal successors, (3318), 2557 states have internal predecessors, (3318), 1293 states have call successors, (1293), 250 states have call predecessors, (1293), 249 states have return successors, (1277), 1263 states have call predecessors, (1277), 1277 states have call successors, (1277) [2022-11-03 02:00:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:00:48,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:48,697 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:48,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:48,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:48,706 INFO L85 PathProgramCache]: Analyzing trace with hash -419404618, now seen corresponding path program 1 times [2022-11-03 02:00:48,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:48,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582525521] [2022-11-03 02:00:48,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:48,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-03 02:00:51,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:51,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582525521] [2022-11-03 02:00:51,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582525521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:51,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:51,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:00:51,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746992116] [2022-11-03 02:00:51,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:51,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:00:51,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:52,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:00:52,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:00:52,038 INFO L87 Difference]: Start difference. First operand has 4010 states, 2466 states have (on average 1.3454987834549879) internal successors, (3318), 2557 states have internal predecessors, (3318), 1293 states have call successors, (1293), 250 states have call predecessors, (1293), 249 states have return successors, (1277), 1263 states have call predecessors, (1277), 1277 states have call successors, (1277) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:00:54,294 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 [] [2022-11-03 02:00:57,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:59,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:01:05,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:07,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:13,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:17,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:17,137 INFO L93 Difference]: Finished difference Result 11342 states and 16973 transitions. [2022-11-03 02:01:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:17,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 139 [2022-11-03 02:01:17,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:17,260 INFO L225 Difference]: With dead ends: 11342 [2022-11-03 02:01:17,260 INFO L226 Difference]: Without dead ends: 7306 [2022-11-03 02:01:17,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:17,322 INFO L413 NwaCegarLoop]: 6614 mSDtfsCounter, 5646 mSDsluCounter, 5193 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5646 SdHoareTripleChecker+Valid, 11245 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:17,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5646 Valid, 11245 Invalid, 1289 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1280 Invalid, 5 Unknown, 0 Unchecked, 24.2s Time] [2022-11-03 02:01:17,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7306 states. [2022-11-03 02:01:17,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7306 to 7300. [2022-11-03 02:01:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7300 states, 4509 states have (on average 1.3406520292747837) internal successors, (6045), 4643 states have internal predecessors, (6045), 2330 states have call successors, (2330), 471 states have call predecessors, (2330), 460 states have return successors, (2420), 2272 states have call predecessors, (2420), 2324 states have call successors, (2420) [2022-11-03 02:01:17,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7300 states to 7300 states and 10795 transitions. [2022-11-03 02:01:17,983 INFO L78 Accepts]: Start accepts. Automaton has 7300 states and 10795 transitions. Word has length 139 [2022-11-03 02:01:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:17,985 INFO L495 AbstractCegarLoop]: Abstraction has 7300 states and 10795 transitions. [2022-11-03 02:01:17,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:01:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 7300 states and 10795 transitions. [2022-11-03 02:01:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-03 02:01:17,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:17,994 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:17,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:01:17,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:17,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:17,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1437561782, now seen corresponding path program 1 times [2022-11-03 02:01:17,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:17,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392316820] [2022-11-03 02:01:17,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:17,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-03 02:01:19,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:19,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392316820] [2022-11-03 02:01:19,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392316820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:19,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:19,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:01:19,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274501590] [2022-11-03 02:01:19,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:19,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:19,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:19,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:19,425 INFO L87 Difference]: Start difference. First operand 7300 states and 10795 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 02:01:21,657 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 [] [2022-11-03 02:01:24,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:26,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:01:29,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:32,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:37,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:40,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:45,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:47,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:47,588 INFO L93 Difference]: Finished difference Result 21785 states and 32232 transitions. [2022-11-03 02:01:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:47,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 137 [2022-11-03 02:01:47,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:47,703 INFO L225 Difference]: With dead ends: 21785 [2022-11-03 02:01:47,703 INFO L226 Difference]: Without dead ends: 14510 [2022-11-03 02:01:47,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:47,759 INFO L413 NwaCegarLoop]: 6778 mSDtfsCounter, 5712 mSDsluCounter, 5812 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5718 SdHoareTripleChecker+Valid, 11937 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:47,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5718 Valid, 11937 Invalid, 1403 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1395 Invalid, 5 Unknown, 0 Unchecked, 27.2s Time] [2022-11-03 02:01:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14510 states. [2022-11-03 02:01:48,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14510 to 14504. [2022-11-03 02:01:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14504 states, 8960 states have (on average 1.3405133928571429) internal successors, (12011), 9225 states have internal predecessors, (12011), 4623 states have call successors, (4623), 941 states have call predecessors, (4623), 920 states have return successors, (4829), 4511 states have call predecessors, (4829), 4617 states have call successors, (4829) [2022-11-03 02:01:48,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14504 states to 14504 states and 21463 transitions. [2022-11-03 02:01:48,807 INFO L78 Accepts]: Start accepts. Automaton has 14504 states and 21463 transitions. Word has length 137 [2022-11-03 02:01:48,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:48,808 INFO L495 AbstractCegarLoop]: Abstraction has 14504 states and 21463 transitions. [2022-11-03 02:01:48,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 02:01:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 14504 states and 21463 transitions. [2022-11-03 02:01:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-03 02:01:48,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:48,825 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:48,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:01:48,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:48,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:48,838 INFO L85 PathProgramCache]: Analyzing trace with hash -621994014, now seen corresponding path program 1 times [2022-11-03 02:01:48,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:48,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6186801] [2022-11-03 02:01:48,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:48,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-03 02:01:49,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:49,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6186801] [2022-11-03 02:01:49,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6186801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:49,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:49,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:01:49,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337244608] [2022-11-03 02:01:49,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:49,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:01:49,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:49,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:01:49,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:49,966 INFO L87 Difference]: Start difference. First operand 14504 states and 21463 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:01:52,197 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 [] [2022-11-03 02:01:54,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:00,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:07,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:02:10,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:10,303 INFO L93 Difference]: Finished difference Result 17345 states and 25428 transitions. [2022-11-03 02:02:10,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:10,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2022-11-03 02:02:10,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:10,432 INFO L225 Difference]: With dead ends: 17345 [2022-11-03 02:02:10,433 INFO L226 Difference]: Without dead ends: 17342 [2022-11-03 02:02:10,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:10,449 INFO L413 NwaCegarLoop]: 5714 mSDtfsCounter, 5756 mSDsluCounter, 2177 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5759 SdHoareTripleChecker+Valid, 7568 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:10,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5759 Valid, 7568 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 990 Invalid, 4 Unknown, 0 Unchecked, 19.8s Time] [2022-11-03 02:02:10,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17342 states. [2022-11-03 02:02:11,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17342 to 17338. [2022-11-03 02:02:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17338 states, 10706 states have (on average 1.3335512796562674) internal successors, (14277), 11021 states have internal predecessors, (14277), 5456 states have call successors, (5456), 1199 states have call predecessors, (5456), 1175 states have return successors, (5688), 5329 states have call predecessors, (5688), 5451 states have call successors, (5688) [2022-11-03 02:02:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17338 states to 17338 states and 25421 transitions. [2022-11-03 02:02:11,545 INFO L78 Accepts]: Start accepts. Automaton has 17338 states and 25421 transitions. Word has length 151 [2022-11-03 02:02:11,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:11,546 INFO L495 AbstractCegarLoop]: Abstraction has 17338 states and 25421 transitions. [2022-11-03 02:02:11,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:02:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 17338 states and 25421 transitions. [2022-11-03 02:02:11,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-03 02:02:11,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:11,552 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:11,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:02:11,552 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:11,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:11,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2104610025, now seen corresponding path program 1 times [2022-11-03 02:02:11,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:02:11,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738596300] [2022-11-03 02:02:11,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:11,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:02:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-03 02:02:12,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:02:12,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738596300] [2022-11-03 02:02:12,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738596300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:12,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:12,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:02:12,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513661004] [2022-11-03 02:02:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:12,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:12,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:02:12,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:12,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:12,636 INFO L87 Difference]: Start difference. First operand 17338 states and 25421 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:02:14,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:16,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:19,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:02:21,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:23,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:30,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:34,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:37,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:38,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:38,724 INFO L93 Difference]: Finished difference Result 31797 states and 46834 transitions. [2022-11-03 02:02:38,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:02:38,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 152 [2022-11-03 02:02:38,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:38,921 INFO L225 Difference]: With dead ends: 31797 [2022-11-03 02:02:38,922 INFO L226 Difference]: Without dead ends: 31794 [2022-11-03 02:02:38,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:38,945 INFO L413 NwaCegarLoop]: 6880 mSDtfsCounter, 5750 mSDsluCounter, 5780 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5756 SdHoareTripleChecker+Valid, 12006 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:38,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5756 Valid, 12006 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1412 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2022-11-03 02:02:38,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31794 states. [2022-11-03 02:02:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31794 to 31784. [2022-11-03 02:02:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31784 states, 19630 states have (on average 1.3367804381049415) internal successors, (26241), 20211 states have internal predecessors, (26241), 10058 states have call successors, (10058), 2139 states have call predecessors, (10058), 2095 states have return successors, (10522), 9819 states have call predecessors, (10522), 10053 states have call successors, (10522) [2022-11-03 02:02:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31784 states to 31784 states and 46821 transitions. [2022-11-03 02:02:41,349 INFO L78 Accepts]: Start accepts. Automaton has 31784 states and 46821 transitions. Word has length 152 [2022-11-03 02:02:41,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:41,350 INFO L495 AbstractCegarLoop]: Abstraction has 31784 states and 46821 transitions. [2022-11-03 02:02:41,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:02:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 31784 states and 46821 transitions. [2022-11-03 02:02:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-03 02:02:41,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:41,358 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:41,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:02:41,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:02:41,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:41,359 INFO L85 PathProgramCache]: Analyzing trace with hash 314250202, now seen corresponding path program 1 times [2022-11-03 02:02:41,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:02:41,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581195576] [2022-11-03 02:02:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:41,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:02:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:42,685 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-03 02:02:42,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:02:42,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581195576] [2022-11-03 02:02:42,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581195576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:42,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:42,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:02:42,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048110312] [2022-11-03 02:02:42,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:42,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:02:42,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:02:42,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:02:42,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:02:42,688 INFO L87 Difference]: Start difference. First operand 31784 states and 46821 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:02:44,926 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 [] [2022-11-03 02:02:47,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:51,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:53,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:57,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:00,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:03:02,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:08,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:08,988 INFO L93 Difference]: Finished difference Result 34614 states and 50768 transitions. [2022-11-03 02:03:08,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:03:08,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 154 [2022-11-03 02:03:08,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:09,235 INFO L225 Difference]: With dead ends: 34614 [2022-11-03 02:03:09,235 INFO L226 Difference]: Without dead ends: 34606 [2022-11-03 02:03:09,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:03:09,261 INFO L413 NwaCegarLoop]: 6515 mSDtfsCounter, 5748 mSDsluCounter, 5787 mSDsCounter, 0 mSdLazyCounter, 1322 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5751 SdHoareTripleChecker+Valid, 11647 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1322 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:09,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5751 Valid, 11647 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1322 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2022-11-03 02:03:09,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34606 states. [2022-11-03 02:03:11,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34606 to 34596. [2022-11-03 02:03:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34596 states, 21361 states have (on average 1.3337390571602452) internal successors, (28490), 21992 states have internal predecessors, (28490), 10887 states have call successors, (10887), 2395 states have call predecessors, (10887), 2347 states have return successors, (11372), 10632 states have call predecessors, (11372), 10882 states have call successors, (11372) [2022-11-03 02:03:12,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34596 states to 34596 states and 50749 transitions. [2022-11-03 02:03:12,030 INFO L78 Accepts]: Start accepts. Automaton has 34596 states and 50749 transitions. Word has length 154 [2022-11-03 02:03:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:12,032 INFO L495 AbstractCegarLoop]: Abstraction has 34596 states and 50749 transitions. [2022-11-03 02:03:12,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:03:12,032 INFO L276 IsEmpty]: Start isEmpty. Operand 34596 states and 50749 transitions. [2022-11-03 02:03:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-03 02:03:12,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:12,047 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:12,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:03:12,048 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:12,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1954029844, now seen corresponding path program 1 times [2022-11-03 02:03:12,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:12,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472475723] [2022-11-03 02:03:12,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-03 02:03:13,958 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:13,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472475723] [2022-11-03 02:03:13,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472475723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:13,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:13,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:03:13,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121071609] [2022-11-03 02:03:13,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:13,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:03:13,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:13,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:03:13,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:03:13,961 INFO L87 Difference]: Start difference. First operand 34596 states and 50749 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:03:16,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:19,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:21,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:03:25,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:27,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:34,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:34,582 INFO L93 Difference]: Finished difference Result 35980 states and 52668 transitions. [2022-11-03 02:03:34,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:03:34,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 171 [2022-11-03 02:03:34,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:34,758 INFO L225 Difference]: With dead ends: 35980 [2022-11-03 02:03:34,759 INFO L226 Difference]: Without dead ends: 35977 [2022-11-03 02:03:34,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:03:34,780 INFO L413 NwaCegarLoop]: 5386 mSDtfsCounter, 579 mSDsluCounter, 5567 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 10332 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:34,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 10332 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1314 Invalid, 5 Unknown, 0 Unchecked, 19.6s Time] [2022-11-03 02:03:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35977 states. [2022-11-03 02:03:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35977 to 35977. [2022-11-03 02:03:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35977 states, 22191 states have (on average 1.3350457392636654) internal successors, (29626), 22833 states have internal predecessors, (29626), 11274 states have call successors, (11274), 2559 states have call predecessors, (11274), 2511 states have return successors, (11760), 11014 states have call predecessors, (11760), 11270 states have call successors, (11760) [2022-11-03 02:03:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35977 states to 35977 states and 52660 transitions. [2022-11-03 02:03:36,638 INFO L78 Accepts]: Start accepts. Automaton has 35977 states and 52660 transitions. Word has length 171 [2022-11-03 02:03:36,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:36,639 INFO L495 AbstractCegarLoop]: Abstraction has 35977 states and 52660 transitions. [2022-11-03 02:03:36,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 02:03:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 35977 states and 52660 transitions. [2022-11-03 02:03:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-03 02:03:36,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:36,647 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:36,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:03:36,648 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:03:36,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:36,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2032487011, now seen corresponding path program 1 times [2022-11-03 02:03:36,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:36,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618127001] [2022-11-03 02:03:36,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:36,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-11-03 02:03:38,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:38,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618127001] [2022-11-03 02:03:38,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618127001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:38,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:38,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:03:38,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211402792] [2022-11-03 02:03:38,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:38,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:03:38,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:38,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:03:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:03:38,154 INFO L87 Difference]: Start difference. First operand 35977 states and 52660 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:03:40,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:43,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:45,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:03:50,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:51,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:01,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:01,401 INFO L93 Difference]: Finished difference Result 99254 states and 145517 transitions. [2022-11-03 02:04:01,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:04:01,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 170 [2022-11-03 02:04:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:01,727 INFO L225 Difference]: With dead ends: 99254 [2022-11-03 02:04:01,727 INFO L226 Difference]: Without dead ends: 63302 [2022-11-03 02:04:01,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:01,906 INFO L413 NwaCegarLoop]: 6961 mSDtfsCounter, 5261 mSDsluCounter, 5771 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5265 SdHoareTripleChecker+Valid, 12086 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:01,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5265 Valid, 12086 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1490 Invalid, 4 Unknown, 0 Unchecked, 20.7s Time] [2022-11-03 02:04:01,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63302 states. [2022-11-03 02:04:04,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63302 to 63277. [2022-11-03 02:04:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63277 states, 39115 states have (on average 1.3387447270867954) internal successors, (52365), 40233 states have internal predecessors, (52365), 19842 states have call successors, (19842), 4407 states have call predecessors, (19842), 4319 states have return successors, (20652), 19370 states have call predecessors, (20652), 19838 states have call successors, (20652) [2022-11-03 02:04:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63277 states to 63277 states and 92859 transitions. [2022-11-03 02:04:05,367 INFO L78 Accepts]: Start accepts. Automaton has 63277 states and 92859 transitions. Word has length 170 [2022-11-03 02:04:05,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:05,368 INFO L495 AbstractCegarLoop]: Abstraction has 63277 states and 92859 transitions. [2022-11-03 02:04:05,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 02:04:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 63277 states and 92859 transitions. [2022-11-03 02:04:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-03 02:04:05,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:05,388 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:05,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:04:05,388 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:05,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1067478600, now seen corresponding path program 1 times [2022-11-03 02:04:05,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:05,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646795850] [2022-11-03 02:04:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:05,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-11-03 02:04:06,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:06,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646795850] [2022-11-03 02:04:06,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646795850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:06,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:06,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:04:06,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500103583] [2022-11-03 02:04:06,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:06,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:04:06,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:06,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:04:06,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:06,543 INFO L87 Difference]: Start difference. First operand 63277 states and 92859 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:04:08,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:12,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:04:15,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:17,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:19,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:22,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:28,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:32,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:35,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:35,715 INFO L93 Difference]: Finished difference Result 126771 states and 184839 transitions. [2022-11-03 02:04:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:04:35,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 200 [2022-11-03 02:04:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:36,193 INFO L225 Difference]: With dead ends: 126771 [2022-11-03 02:04:36,193 INFO L226 Difference]: Without dead ends: 63519 [2022-11-03 02:04:36,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:36,486 INFO L413 NwaCegarLoop]: 9827 mSDtfsCounter, 5772 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5776 SdHoareTripleChecker+Valid, 14551 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:36,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5776 Valid, 14551 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1855 Invalid, 5 Unknown, 0 Unchecked, 26.3s Time] [2022-11-03 02:04:36,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63519 states. [2022-11-03 02:04:38,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63519 to 63449. [2022-11-03 02:04:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63449 states, 39202 states have (on average 1.3303913065659916) internal successors, (52154), 40317 states have internal predecessors, (52154), 19522 states have call successors, (19522), 4812 states have call predecessors, (19522), 4724 states have return successors, (20265), 19072 states have call predecessors, (20265), 19518 states have call successors, (20265) [2022-11-03 02:04:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63449 states to 63449 states and 91941 transitions. [2022-11-03 02:04:39,186 INFO L78 Accepts]: Start accepts. Automaton has 63449 states and 91941 transitions. Word has length 200 [2022-11-03 02:04:39,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:39,186 INFO L495 AbstractCegarLoop]: Abstraction has 63449 states and 91941 transitions. [2022-11-03 02:04:39,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 02:04:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 63449 states and 91941 transitions. [2022-11-03 02:04:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-03 02:04:39,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:39,202 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 02:04:39,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:04:39,203 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:04:39,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:39,203 INFO L85 PathProgramCache]: Analyzing trace with hash -286065062, now seen corresponding path program 1 times [2022-11-03 02:04:39,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:39,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147182994] [2022-11-03 02:04:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:39,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:39,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147182994] [2022-11-03 02:04:39,913 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:04:39,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442539151] [2022-11-03 02:04:39,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:39,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:04:39,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:04:39,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:04:39,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:04:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:43,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 9724 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:04:43,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:04:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 02:04:43,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:04:43,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442539151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:43,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:43,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:04:43,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978508557] [2022-11-03 02:04:43,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:43,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:04:43,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:43,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:04:43,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:04:43,281 INFO L87 Difference]: Start difference. First operand 63449 states and 91941 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:04:45,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:48,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:04:51,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:53,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:01,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:10,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:10,429 INFO L93 Difference]: Finished difference Result 158292 states and 229802 transitions. [2022-11-03 02:05:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:05:10,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 219 [2022-11-03 02:05:10,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:11,003 INFO L225 Difference]: With dead ends: 158292 [2022-11-03 02:05:11,003 INFO L226 Difference]: Without dead ends: 94880 [2022-11-03 02:05:11,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:05:11,196 INFO L413 NwaCegarLoop]: 7147 mSDtfsCounter, 5407 mSDsluCounter, 5700 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 40 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5410 SdHoareTripleChecker+Valid, 12199 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:11,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5410 Valid, 12199 Invalid, 1649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1604 Invalid, 5 Unknown, 0 Unchecked, 23.2s Time] [2022-11-03 02:05:11,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94880 states. [2022-11-03 02:05:15,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94880 to 94847. [2022-11-03 02:05:15,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94847 states, 58698 states have (on average 1.330982316262905) internal successors, (78126), 60446 states have internal predecessors, (78126), 29140 states have call successors, (29140), 7149 states have call predecessors, (29140), 7008 states have return successors, (30225), 28418 states have call predecessors, (30225), 29136 states have call successors, (30225) [2022-11-03 02:05:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94847 states to 94847 states and 137491 transitions. [2022-11-03 02:05:16,577 INFO L78 Accepts]: Start accepts. Automaton has 94847 states and 137491 transitions. Word has length 219 [2022-11-03 02:05:16,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:16,578 INFO L495 AbstractCegarLoop]: Abstraction has 94847 states and 137491 transitions. [2022-11-03 02:05:16,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 02:05:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 94847 states and 137491 transitions. [2022-11-03 02:05:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-03 02:05:16,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:16,592 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:16,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:16,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 02:05:16,809 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:16,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:16,810 INFO L85 PathProgramCache]: Analyzing trace with hash 2083021327, now seen corresponding path program 1 times [2022-11-03 02:05:16,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:16,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152916852] [2022-11-03 02:05:16,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:16,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:17,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:17,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152916852] [2022-11-03 02:05:17,314 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:05:17,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006250125] [2022-11-03 02:05:17,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:17,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:17,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:17,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:05:17,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b60bb329-7a83-432e-9b99-ebf2818dd473/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:05:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:20,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 9854 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:05:20,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-11-03 02:05:20,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:20,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006250125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:20,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:20,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:05:20,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749572099] [2022-11-03 02:05:20,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:20,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:05:20,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:20,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:05:20,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:05:20,823 INFO L87 Difference]: Start difference. First operand 94847 states and 137491 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:05:23,070 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 [] [2022-11-03 02:05:26,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:29,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:31,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:05:37,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:38,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:54,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:54,069 INFO L93 Difference]: Finished difference Result 254404 states and 369300 transitions. [2022-11-03 02:05:54,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:05:54,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 243 [2022-11-03 02:05:54,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:54,892 INFO L225 Difference]: With dead ends: 254404 [2022-11-03 02:05:54,892 INFO L226 Difference]: Without dead ends: 159594 [2022-11-03 02:05:55,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:05:55,227 INFO L413 NwaCegarLoop]: 7038 mSDtfsCounter, 5569 mSDsluCounter, 5789 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5574 SdHoareTripleChecker+Valid, 12173 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:55,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5574 Valid, 12173 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1508 Invalid, 5 Unknown, 0 Unchecked, 25.7s Time] [2022-11-03 02:05:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159594 states.