./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/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_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:39:24,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:39:24,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:39:24,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:39:24,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:39:24,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:39:24,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:39:24,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:39:24,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:39:24,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:39:24,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:39:24,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:39:24,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:39:24,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:39:24,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:39:24,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:39:24,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:39:24,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:39:24,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:39:24,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:39:24,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:39:24,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:39:24,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:39:24,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:39:24,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:39:24,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:39:24,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:39:24,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:39:24,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:39:24,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:39:24,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:39:24,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:39:24,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:39:24,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:39:24,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:39:24,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:39:24,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:39:24,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:39:24,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:39:24,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:39:24,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:39:24,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:39:24,901 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:39:24,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:39:24,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:39:24,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:39:24,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:39:24,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:39:24,903 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:39:24,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:39:24,904 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:39:24,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:39:24,904 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:39:24,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:39:24,905 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:39:24,905 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:39:24,905 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:39:24,906 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:39:24,906 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:39:24,906 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:39:24,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:39:24,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:39:24,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:39:24,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:39:24,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:39:24,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:39:24,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:39:24,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:39:24,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:39:24,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:39:24,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:39:24,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:24,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:39:24,910 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:39:24,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:39:24,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:39:24,911 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:39:24,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:39:24,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:39:24,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:39:24,912 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_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed05c854ea2052ceef0a8616d174bb96c75960b07bf25a2959b9efa433484633 [2022-11-22 01:39:25,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:39:25,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:39:25,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:39:25,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:39:25,251 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:39:25,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/../../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 [2022-11-22 01:39:28,282 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:39:29,196 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:39:29,197 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/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 [2022-11-22 01:39:29,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/data/503743577/2c666e638768492abe6aa260d27bda96/FLAG143a75fb8 [2022-11-22 01:39:29,274 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/data/503743577/2c666e638768492abe6aa260d27bda96 [2022-11-22 01:39:29,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:39:29,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:39:29,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:29,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:39:29,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:39:29,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:29" (1/1) ... [2022-11-22 01:39:29,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b787e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:29, skipping insertion in model container [2022-11-22 01:39:29,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:29" (1/1) ... [2022-11-22 01:39:29,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:39:29,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:39:35,571 WARN L237 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_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/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] [2022-11-22 01:39:35,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:35,956 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:39:36,653 WARN L237 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_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/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] [2022-11-22 01:39:36,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:37,298 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:39:37,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37 WrapperNode [2022-11-22 01:39:37,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:37,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:37,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:39:37,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:39:37,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:37,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,051 INFO L138 Inliner]: procedures = 713, calls = 7551, calls flagged for inlining = 297, calls inlined = 287, statements flattened = 15326 [2022-11-22 01:39:38,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:38,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:39:38,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:39:38,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:39:38,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:39:38,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:39:38,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:39:38,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:39:38,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (1/1) ... [2022-11-22 01:39:38,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:38,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:38,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:39:38,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:39:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:39:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:39:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-22 01:39:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-22 01:39:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-22 01:39:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:39:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:39:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 01:39:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 01:39:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-22 01:39:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-22 01:39:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:39:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:39:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-22 01:39:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-22 01:39:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-22 01:39:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-22 01:39:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:39:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:39:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-22 01:39:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-22 01:39:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-22 01:39:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-22 01:39:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-22 01:39:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-22 01:39:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-22 01:39:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-22 01:39:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:39:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-22 01:39:38,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-22 01:39:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2022-11-22 01:39:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2022-11-22 01:39:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-22 01:39:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-22 01:39:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 01:39:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 01:39:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-22 01:39:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-22 01:39:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:39:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:39:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-22 01:39:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-22 01:39:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:39:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:39:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 01:39:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 01:39:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:39:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:39:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-22 01:39:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-22 01:39:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-22 01:39:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-22 01:39:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:39:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:39:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-22 01:39:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-22 01:39:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-22 01:39:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-22 01:39:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-22 01:39:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-22 01:39:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-22 01:39:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-22 01:39:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-22 01:39:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-22 01:39:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-22 01:39:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-22 01:39:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:39:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:39:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-22 01:39:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-22 01:39:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:39:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:39:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:39:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:39:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-22 01:39:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-22 01:39:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:39:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:39:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-22 01:39:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-22 01:39:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-22 01:39:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-22 01:39:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 01:39:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 01:39:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 01:39:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 01:39:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:39:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:39:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:39:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-22 01:39:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-22 01:39:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-22 01:39:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-22 01:39:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-22 01:39:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-22 01:39:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-22 01:39:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-22 01:39:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-22 01:39:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-22 01:39:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-22 01:39:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-22 01:39:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 01:39:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 01:39:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-22 01:39:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-22 01:39:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-22 01:39:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-22 01:39:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-22 01:39:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-22 01:39:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:39:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:39:38,977 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-22 01:39:38,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-22 01:39:38,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:39:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:39:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-22 01:39:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-22 01:39:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-22 01:39:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-22 01:39:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:39:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-22 01:39:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-22 01:39:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 01:39:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 01:39:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:39:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:39:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:39:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:39:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-22 01:39:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-22 01:39:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2022-11-22 01:39:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2022-11-22 01:39:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-22 01:39:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-22 01:39:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-22 01:39:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-22 01:39:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:39:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-22 01:39:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-22 01:39:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-22 01:39:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-22 01:39:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:39:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:39:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:39:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-22 01:39:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-22 01:39:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-22 01:39:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-22 01:39:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-22 01:39:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-22 01:39:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:39:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:39:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 01:39:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 01:39:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-22 01:39:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-22 01:39:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-22 01:39:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-22 01:39:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-22 01:39:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-22 01:39:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-22 01:39:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-22 01:39:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 01:39:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 01:39:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-22 01:39:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-22 01:39:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-22 01:39:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-22 01:39:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:39:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:39:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:39:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:39:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-22 01:39:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-22 01:39:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-22 01:39:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-22 01:39:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2022-11-22 01:39:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2022-11-22 01:39:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-22 01:39:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-22 01:39:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-22 01:39:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-22 01:39:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:39:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-22 01:39:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-22 01:39:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-22 01:39:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-22 01:39:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-22 01:39:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-22 01:39:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:39:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 01:39:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 01:39:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-22 01:39:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-22 01:39:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:39:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:39:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:39:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:39:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-22 01:39:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-22 01:39:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 01:39:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 01:39:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-22 01:39:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-22 01:39:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:39:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:39:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-22 01:39:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-22 01:39:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-22 01:39:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-22 01:39:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 01:39:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 01:39:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-22 01:39:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-22 01:39:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:39:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:39:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-22 01:39:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-22 01:39:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-22 01:39:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-22 01:39:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 01:39:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 01:39:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-22 01:39:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-22 01:39:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:39:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:39:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-22 01:39:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-22 01:39:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:39:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:39:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 01:39:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 01:39:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-22 01:39:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-22 01:39:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-22 01:39:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-22 01:39:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-22 01:39:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-22 01:39:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-22 01:39:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-22 01:39:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:39:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:39:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:39:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:39:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-22 01:39:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-22 01:39:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2022-11-22 01:39:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2022-11-22 01:39:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-22 01:39:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-22 01:39:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:39:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:39:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-22 01:39:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-22 01:39:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 01:39:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 01:39:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-22 01:39:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-22 01:39:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-22 01:39:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-22 01:39:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:39:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:39:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-22 01:39:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-22 01:39:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:39:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:39:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:39:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:39:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-22 01:39:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-22 01:39:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-22 01:39:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-22 01:39:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:39:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:39:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-22 01:39:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-22 01:39:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 01:39:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 01:39:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 01:39:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 01:39:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:39:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:39:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-22 01:39:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-22 01:39:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2022-11-22 01:39:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2022-11-22 01:39:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 01:39:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-22 01:39:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-22 01:39:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 01:39:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 01:39:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:39:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:39:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-22 01:39:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-22 01:39:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-22 01:39:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-22 01:39:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-22 01:39:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-22 01:39:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-22 01:39:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-22 01:39:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-22 01:39:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-22 01:39:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-22 01:39:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-22 01:39:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:39:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:39:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 01:39:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 01:39:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-22 01:39:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-22 01:39:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 01:39:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 01:39:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-22 01:39:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-22 01:39:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-22 01:39:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-22 01:39:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:39:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:39:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:39:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:39:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-22 01:39:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-22 01:39:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-22 01:39:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-22 01:39:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:39:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:39:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-22 01:39:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-22 01:39:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:39:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:39:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-22 01:39:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-22 01:39:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-22 01:39:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-22 01:39:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-22 01:39:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-22 01:39:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 01:39:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 01:39:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-22 01:39:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-22 01:39:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:39:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:39:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-22 01:39:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-22 01:39:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-22 01:39:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-22 01:39:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:39:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:39:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:39:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-22 01:39:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-22 01:39:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:39:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:39:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-22 01:39:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-22 01:39:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:39:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:39:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-22 01:39:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-22 01:39:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-22 01:39:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-22 01:39:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-11-22 01:39:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-11-22 01:39:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:39:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-22 01:39:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-22 01:39:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-22 01:39:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-22 01:39:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-22 01:39:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-22 01:39:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-22 01:39:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-22 01:39:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 01:39:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 01:39:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:39:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-22 01:39:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-22 01:39:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-22 01:39:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-22 01:39:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-22 01:39:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-22 01:39:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 01:39:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 01:39:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-22 01:39:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-22 01:39:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:39:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:39:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 01:39:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 01:39:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-22 01:39:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-22 01:39:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-22 01:39:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-22 01:39:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 01:39:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 01:39:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-22 01:39:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-22 01:39:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-22 01:39:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-22 01:39:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 01:39:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 01:39:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:39:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:39:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 01:39:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 01:39:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-22 01:39:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-22 01:39:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-22 01:39:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-22 01:39:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-22 01:39:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-22 01:39:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-22 01:39:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-22 01:39:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:39:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:39:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-22 01:39:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-22 01:39:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-22 01:39:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-22 01:39:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:39:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:39:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-22 01:39:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-22 01:39:39,027 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-22 01:39:39,027 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-22 01:39:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:39:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-22 01:39:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-22 01:39:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-22 01:39:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-22 01:39:39,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:39:39,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:39:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-22 01:39:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-22 01:39:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-22 01:39:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-22 01:39:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-22 01:39:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-22 01:39:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-22 01:39:39,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-22 01:39:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:39:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:39:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-22 01:39:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-22 01:39:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-22 01:39:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-22 01:39:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 01:39:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 01:39:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-22 01:39:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-22 01:39:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-22 01:39:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-22 01:39:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 01:39:39,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 01:39:39,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-22 01:39:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-22 01:39:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-22 01:39:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-22 01:39:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-22 01:39:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-22 01:39:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-22 01:39:39,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-22 01:39:39,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-22 01:39:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-22 01:39:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 01:39:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 01:39:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-22 01:39:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-22 01:39:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2022-11-22 01:39:39,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2022-11-22 01:39:39,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-22 01:39:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-22 01:39:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-22 01:39:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-22 01:39:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-11-22 01:39:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-11-22 01:39:39,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-22 01:39:39,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-22 01:39:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-22 01:39:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-22 01:39:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-22 01:39:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-22 01:39:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:39:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:39:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-22 01:39:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-22 01:39:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 01:39:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 01:39:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-22 01:39:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-22 01:39:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-22 01:39:39,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-22 01:39:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-22 01:39:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-22 01:39:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-22 01:39:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-22 01:39:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:39:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:39:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:39:39,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:39:39,037 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 01:39:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 01:39:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2022-11-22 01:39:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2022-11-22 01:39:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:39:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-22 01:39:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-22 01:39:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-22 01:39:39,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-22 01:39:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-22 01:39:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-22 01:39:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-22 01:39:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-22 01:39:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-22 01:39:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-22 01:39:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-22 01:39:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-22 01:39:40,787 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:39:40,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:39:40,878 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:40:04,768 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:40:12,657 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:40:12,659 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:40:12,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:12 BoogieIcfgContainer [2022-11-22 01:40:12,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:40:12,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:40:12,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:40:12,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:40:12,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:39:29" (1/3) ... [2022-11-22 01:40:12,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461b860b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:40:12, skipping insertion in model container [2022-11-22 01:40:12,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:37" (2/3) ... [2022-11-22 01:40:12,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461b860b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:40:12, skipping insertion in model container [2022-11-22 01:40:12,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:12" (3/3) ... [2022-11-22 01:40:12,679 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 [2022-11-22 01:40:12,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:40:12,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:40:12,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:40:12,855 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;@30e26397, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:40:12,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:40:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 4009 states, 2465 states have (on average 1.3460446247464504) 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) [2022-11-22 01:40:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-22 01:40:12,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:12,897 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] [2022-11-22 01:40:12,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:40:12,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1584772447, now seen corresponding path program 1 times [2022-11-22 01:40:12,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:12,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329369440] [2022-11-22 01:40:12,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:12,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-22 01:40:15,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:15,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329369440] [2022-11-22 01:40:15,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329369440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:15,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:15,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:40:15,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121332052] [2022-11-22 01:40:15,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:15,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:40:15,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:40:15,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:40:15,724 INFO L87 Difference]: Start difference. First operand has 4009 states, 2465 states have (on average 1.3460446247464504) 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) [2022-11-22 01:40:17,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:40:20,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:40:23,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:40:26,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:40:28,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:40:30,610 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 [] [2022-11-22 01:40:39,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:40:39,660 INFO L93 Difference]: Finished difference Result 11347 states and 16987 transitions. [2022-11-22 01:40:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:40:39,664 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 [2022-11-22 01:40:39,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:40:39,759 INFO L225 Difference]: With dead ends: 11347 [2022-11-22 01:40:39,759 INFO L226 Difference]: Without dead ends: 7312 [2022-11-22 01:40:39,802 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 [2022-11-22 01:40:39,808 INFO L413 NwaCegarLoop]: 6597 mSDtfsCounter, 5661 mSDsluCounter, 4645 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5661 SdHoareTripleChecker+Valid, 11242 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:40:39,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5661 Valid, 11242 Invalid, 1256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1248 Invalid, 4 Unknown, 0 Unchecked, 23.2s Time] [2022-11-22 01:40:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7312 states. [2022-11-22 01:40:40,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7312 to 7307. [2022-11-22 01:40:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7307 states, 4513 states have (on average 1.3412364280966098) internal successors, (6053), 4649 states have internal predecessors, (6053), 2333 states have call successors, (2333), 471 states have call predecessors, (2333), 460 states have return successors, (2423), 2275 states have call predecessors, (2423), 2327 states have call successors, (2423) [2022-11-22 01:40:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7307 states to 7307 states and 10809 transitions. [2022-11-22 01:40:40,506 INFO L78 Accepts]: Start accepts. Automaton has 7307 states and 10809 transitions. Word has length 139 [2022-11-22 01:40:40,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:40:40,511 INFO L495 AbstractCegarLoop]: Abstraction has 7307 states and 10809 transitions. [2022-11-22 01:40:40,511 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) [2022-11-22 01:40:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 7307 states and 10809 transitions. [2022-11-22 01:40:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-22 01:40:40,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:40,530 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] [2022-11-22 01:40:40,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:40:40,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:40:40,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:40,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1918626385, now seen corresponding path program 1 times [2022-11-22 01:40:40,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:40,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886147149] [2022-11-22 01:40:40,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:40,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-22 01:40:41,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:41,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886147149] [2022-11-22 01:40:41,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886147149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:41,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:41,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:40:41,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969113179] [2022-11-22 01:40:41,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:41,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:40:41,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:41,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:40:41,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:40:41,641 INFO L87 Difference]: Start difference. First operand 7307 states and 10809 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) [2022-11-22 01:40:43,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:40:45,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:40:48,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:40:52,619 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 [] [2022-11-22 01:41:01,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:01,629 INFO L93 Difference]: Finished difference Result 21805 states and 32272 transitions. [2022-11-22 01:41:01,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:41:01,629 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 [2022-11-22 01:41:01,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:01,738 INFO L225 Difference]: With dead ends: 21805 [2022-11-22 01:41:01,738 INFO L226 Difference]: Without dead ends: 14523 [2022-11-22 01:41:01,789 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 [2022-11-22 01:41:01,790 INFO L413 NwaCegarLoop]: 6794 mSDtfsCounter, 5712 mSDsluCounter, 5174 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5718 SdHoareTripleChecker+Valid, 11968 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:01,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5718 Valid, 11968 Invalid, 1371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1365 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2022-11-22 01:41:01,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14523 states. [2022-11-22 01:41:02,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14523 to 14516. [2022-11-22 01:41:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14516 states, 8967 states have (on average 1.3411397345823575) internal successors, (12026), 9236 states have internal predecessors, (12026), 4628 states have call successors, (4628), 941 states have call predecessors, (4628), 920 states have return successors, (4834), 4516 states have call predecessors, (4834), 4622 states have call successors, (4834) [2022-11-22 01:41:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14516 states to 14516 states and 21488 transitions. [2022-11-22 01:41:02,607 INFO L78 Accepts]: Start accepts. Automaton has 14516 states and 21488 transitions. Word has length 137 [2022-11-22 01:41:02,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:02,610 INFO L495 AbstractCegarLoop]: Abstraction has 14516 states and 21488 transitions. [2022-11-22 01:41:02,611 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) [2022-11-22 01:41:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 14516 states and 21488 transitions. [2022-11-22 01:41:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-22 01:41:02,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:02,619 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] [2022-11-22 01:41:02,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:41:02,621 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:41:02,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:02,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1174669379, now seen corresponding path program 1 times [2022-11-22 01:41:02,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:02,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56015901] [2022-11-22 01:41:02,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:02,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-22 01:41:03,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:03,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56015901] [2022-11-22 01:41:03,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56015901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:03,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:03,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:41:03,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331161834] [2022-11-22 01:41:03,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:03,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:41:03,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:03,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:41:03,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:41:03,507 INFO L87 Difference]: Start difference. First operand 14516 states and 21488 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) [2022-11-22 01:41:05,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:41:08,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:41:10,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:41:13,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:41:19,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:41:21,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:21,988 INFO L93 Difference]: Finished difference Result 17360 states and 25460 transitions. [2022-11-22 01:41:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:41:21,989 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 [2022-11-22 01:41:21,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:22,113 INFO L225 Difference]: With dead ends: 17360 [2022-11-22 01:41:22,114 INFO L226 Difference]: Without dead ends: 17357 [2022-11-22 01:41:22,129 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 [2022-11-22 01:41:22,130 INFO L413 NwaCegarLoop]: 5727 mSDtfsCounter, 5756 mSDsluCounter, 1865 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5759 SdHoareTripleChecker+Valid, 7592 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:22,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5759 Valid, 7592 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 962 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2022-11-22 01:41:22,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17357 states. [2022-11-22 01:41:23,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17357 to 17353. [2022-11-22 01:41:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17353 states, 10714 states have (on average 1.3342355796154564) internal successors, (14295), 11035 states have internal predecessors, (14295), 5463 states have call successors, (5463), 1199 states have call predecessors, (5463), 1175 states have return successors, (5695), 5336 states have call predecessors, (5695), 5458 states have call successors, (5695) [2022-11-22 01:41:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17353 states to 17353 states and 25453 transitions. [2022-11-22 01:41:23,498 INFO L78 Accepts]: Start accepts. Automaton has 17353 states and 25453 transitions. Word has length 151 [2022-11-22 01:41:23,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:23,499 INFO L495 AbstractCegarLoop]: Abstraction has 17353 states and 25453 transitions. [2022-11-22 01:41:23,499 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) [2022-11-22 01:41:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 17353 states and 25453 transitions. [2022-11-22 01:41:23,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-22 01:41:23,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:23,504 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] [2022-11-22 01:41:23,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:41:23,505 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:41:23,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:23,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2052355143, now seen corresponding path program 1 times [2022-11-22 01:41:23,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:23,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134909355] [2022-11-22 01:41:23,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:23,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-22 01:41:24,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:24,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134909355] [2022-11-22 01:41:24,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134909355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:24,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:24,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:41:24,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674882559] [2022-11-22 01:41:24,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:24,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:41:24,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:24,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:41:24,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:41:24,341 INFO L87 Difference]: Start difference. First operand 17353 states and 25453 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) [2022-11-22 01:41:26,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:41:29,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:41:33,430 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 [] [2022-11-22 01:41:39,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:39,405 INFO L93 Difference]: Finished difference Result 20587 states and 29995 transitions. [2022-11-22 01:41:39,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:41:39,406 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 [2022-11-22 01:41:39,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:39,510 INFO L225 Difference]: With dead ends: 20587 [2022-11-22 01:41:39,510 INFO L226 Difference]: Without dead ends: 20584 [2022-11-22 01:41:39,522 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 [2022-11-22 01:41:39,523 INFO L413 NwaCegarLoop]: 6029 mSDtfsCounter, 5757 mSDsluCounter, 1842 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5761 SdHoareTripleChecker+Valid, 7871 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:39,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5761 Valid, 7871 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1032 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-11-22 01:41:39,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20584 states. [2022-11-22 01:41:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20584 to 20579. [2022-11-22 01:41:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20579 states, 12699 states have (on average 1.3304197180880384) internal successors, (16895), 13082 states have internal predecessors, (16895), 6413 states have call successors, (6413), 1496 states have call predecessors, (6413), 1466 states have return successors, (6679), 6267 states have call predecessors, (6679), 6409 states have call successors, (6679) [2022-11-22 01:41:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20579 states to 20579 states and 29987 transitions. [2022-11-22 01:41:40,787 INFO L78 Accepts]: Start accepts. Automaton has 20579 states and 29987 transitions. Word has length 152 [2022-11-22 01:41:40,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:40,788 INFO L495 AbstractCegarLoop]: Abstraction has 20579 states and 29987 transitions. [2022-11-22 01:41:40,789 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) [2022-11-22 01:41:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 20579 states and 29987 transitions. [2022-11-22 01:41:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-22 01:41:40,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:40,795 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] [2022-11-22 01:41:40,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:41:40,796 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:41:40,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:40,796 INFO L85 PathProgramCache]: Analyzing trace with hash 838432554, now seen corresponding path program 1 times [2022-11-22 01:41:40,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:40,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133440542] [2022-11-22 01:41:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:40,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-22 01:41:41,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:41,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133440542] [2022-11-22 01:41:41,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133440542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:41,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:41,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:41:41,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980231016] [2022-11-22 01:41:41,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:41,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:41:41,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:41,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:41:41,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:41:41,549 INFO L87 Difference]: Start difference. First operand 20579 states and 29987 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) [2022-11-22 01:41:43,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:41:46,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:41:48,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:41:52,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:41:59,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:04,139 INFO L93 Difference]: Finished difference Result 35053 states and 51426 transitions. [2022-11-22 01:42:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:42:04,140 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 [2022-11-22 01:42:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:04,319 INFO L225 Difference]: With dead ends: 35053 [2022-11-22 01:42:04,319 INFO L226 Difference]: Without dead ends: 35045 [2022-11-22 01:42:04,334 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 [2022-11-22 01:42:04,335 INFO L413 NwaCegarLoop]: 6891 mSDtfsCounter, 5746 mSDsluCounter, 5145 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 12036 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:04,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5752 Valid, 12036 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1374 Invalid, 5 Unknown, 0 Unchecked, 21.2s Time] [2022-11-22 01:42:04,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35045 states. [2022-11-22 01:42:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35045 to 35033. [2022-11-22 01:42:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35033 states, 21627 states have (on average 1.3348592037730616) internal successors, (28869), 22280 states have internal predecessors, (28869), 11019 states have call successors, (11019), 2436 states have call predecessors, (11019), 2386 states have return successors, (11517), 10761 states have call predecessors, (11517), 11015 states have call successors, (11517) [2022-11-22 01:42:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35033 states to 35033 states and 51405 transitions. [2022-11-22 01:42:06,454 INFO L78 Accepts]: Start accepts. Automaton has 35033 states and 51405 transitions. Word has length 154 [2022-11-22 01:42:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:06,456 INFO L495 AbstractCegarLoop]: Abstraction has 35033 states and 51405 transitions. [2022-11-22 01:42:06,456 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) [2022-11-22 01:42:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 35033 states and 51405 transitions. [2022-11-22 01:42:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-22 01:42:06,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:06,463 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] [2022-11-22 01:42:06,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:42:06,464 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:06,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:06,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1560730268, now seen corresponding path program 1 times [2022-11-22 01:42:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:06,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025494008] [2022-11-22 01:42:06,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-22 01:42:07,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:07,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025494008] [2022-11-22 01:42:07,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025494008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:07,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:07,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:42:07,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115550790] [2022-11-22 01:42:07,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:07,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:42:07,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:07,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:42:07,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:42:07,979 INFO L87 Difference]: Start difference. First operand 35033 states and 51405 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-11-22 01:42:10,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:12,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:15,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:42:19,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:21,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:26,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:29,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:29,300 INFO L93 Difference]: Finished difference Result 36405 states and 53312 transitions. [2022-11-22 01:42:29,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:42:29,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 168 [2022-11-22 01:42:29,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:29,517 INFO L225 Difference]: With dead ends: 36405 [2022-11-22 01:42:29,517 INFO L226 Difference]: Without dead ends: 36402 [2022-11-22 01:42:29,536 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 [2022-11-22 01:42:29,537 INFO L413 NwaCegarLoop]: 5399 mSDtfsCounter, 577 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 10358 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:29,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 10358 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1282 Invalid, 5 Unknown, 0 Unchecked, 20.1s Time] [2022-11-22 01:42:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36402 states. [2022-11-22 01:42:31,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36402 to 36402. [2022-11-22 01:42:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36402 states, 22445 states have (on average 1.336244152372466) internal successors, (29992), 23115 states have internal predecessors, (29992), 11406 states have call successors, (11406), 2600 states have call predecessors, (11406), 2550 states have return successors, (11905), 11143 states have call predecessors, (11905), 11403 states have call successors, (11905) [2022-11-22 01:42:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36402 states to 36402 states and 53303 transitions. [2022-11-22 01:42:31,399 INFO L78 Accepts]: Start accepts. Automaton has 36402 states and 53303 transitions. Word has length 168 [2022-11-22 01:42:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:31,400 INFO L495 AbstractCegarLoop]: Abstraction has 36402 states and 53303 transitions. [2022-11-22 01:42:31,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2022-11-22 01:42:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 36402 states and 53303 transitions. [2022-11-22 01:42:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-22 01:42:31,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:31,420 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] [2022-11-22 01:42:31,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:42:31,421 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:31,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:31,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1176495413, now seen corresponding path program 1 times [2022-11-22 01:42:31,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:31,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033146915] [2022-11-22 01:42:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:31,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:32,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:42:32,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033146915] [2022-11-22 01:42:32,291 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 01:42:32,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119466571] [2022-11-22 01:42:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:32,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:42:32,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:42:32,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:42:32,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:42:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:35,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 9698 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:42:35,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-22 01:42:36,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:42:36,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119466571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:36,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:36,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:42:36,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613019475] [2022-11-22 01:42:36,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:36,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:42:36,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:42:36,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:42:36,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:42:36,110 INFO L87 Difference]: Start difference. First operand 36402 states and 53303 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:42:38,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:40,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:44,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:42:48,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:42:50,866 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 [] [2022-11-22 01:43:00,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:00,691 INFO L93 Difference]: Finished difference Result 100048 states and 146944 transitions. [2022-11-22 01:43:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:00,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 216 [2022-11-22 01:43:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:01,160 INFO L225 Difference]: With dead ends: 100048 [2022-11-22 01:43:01,160 INFO L226 Difference]: Without dead ends: 63671 [2022-11-22 01:43:01,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:01,345 INFO L413 NwaCegarLoop]: 7163 mSDtfsCounter, 5435 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 41 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5440 SdHoareTripleChecker+Valid, 12195 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:01,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5440 Valid, 12195 Invalid, 1612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [41 Valid, 1567 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2022-11-22 01:43:01,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63671 states. [2022-11-22 01:43:04,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63671 to 63626. [2022-11-22 01:43:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63626 states, 39301 states have (on average 1.3381338897229078) internal successors, (52590), 40559 states have internal predecessors, (52590), 19954 states have call successors, (19954), 4468 states have call predecessors, (19954), 4370 states have return successors, (20833), 19419 states have call predecessors, (20833), 19951 states have call successors, (20833) [2022-11-22 01:43:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63626 states to 63626 states and 93377 transitions. [2022-11-22 01:43:04,450 INFO L78 Accepts]: Start accepts. Automaton has 63626 states and 93377 transitions. Word has length 216 [2022-11-22 01:43:04,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:04,451 INFO L495 AbstractCegarLoop]: Abstraction has 63626 states and 93377 transitions. [2022-11-22 01:43:04,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:43:04,451 INFO L276 IsEmpty]: Start isEmpty. Operand 63626 states and 93377 transitions. [2022-11-22 01:43:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-22 01:43:04,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:04,472 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] [2022-11-22 01:43:04,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:04,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-22 01:43:04,699 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:04,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:04,700 INFO L85 PathProgramCache]: Analyzing trace with hash -241666586, now seen corresponding path program 1 times [2022-11-22 01:43:04,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:04,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995942919] [2022-11-22 01:43:04,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:04,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:05,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:05,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995942919] [2022-11-22 01:43:05,571 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-22 01:43:05,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185215198] [2022-11-22 01:43:05,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:05,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:43:05,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:05,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:43:05,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:43:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:09,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 9828 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 01:43:09,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-11-22 01:43:09,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:43:09,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185215198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:09,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:09,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:09,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017255201] [2022-11-22 01:43:09,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:09,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:09,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:09,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:09,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:09,227 INFO L87 Difference]: Start difference. First operand 63626 states and 93377 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 01:43:11,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:13,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:16,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:43:21,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:26,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:36,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:36,496 INFO L93 Difference]: Finished difference Result 182728 states and 268490 transitions. [2022-11-22 01:43:36,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:36,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 240 [2022-11-22 01:43:36,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:37,384 INFO L225 Difference]: With dead ends: 182728 [2022-11-22 01:43:37,385 INFO L226 Difference]: Without dead ends: 119127 [2022-11-22 01:43:37,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:37,658 INFO L413 NwaCegarLoop]: 6683 mSDtfsCounter, 5568 mSDsluCounter, 5149 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5573 SdHoareTripleChecker+Valid, 11832 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:37,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5573 Valid, 11832 Invalid, 1399 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 1383 Invalid, 5 Unknown, 0 Unchecked, 21.9s Time] [2022-11-22 01:43:37,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119127 states. [2022-11-22 01:43:43,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119127 to 119098. [2022-11-22 01:43:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119098 states, 73725 states have (on average 1.3394913530010173) internal successors, (98754), 76095 states have internal predecessors, (98754), 37290 states have call successors, (37290), 8268 states have call predecessors, (37290), 8082 states have return successors, (38933), 36251 states have call predecessors, (38933), 37287 states have call successors, (38933) [2022-11-22 01:43:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119098 states to 119098 states and 174977 transitions. [2022-11-22 01:43:44,258 INFO L78 Accepts]: Start accepts. Automaton has 119098 states and 174977 transitions. Word has length 240 [2022-11-22 01:43:44,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:44,258 INFO L495 AbstractCegarLoop]: Abstraction has 119098 states and 174977 transitions. [2022-11-22 01:43:44,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 01:43:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 119098 states and 174977 transitions. [2022-11-22 01:43:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-11-22 01:43:44,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:44,321 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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] [2022-11-22 01:43:44,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:43:44,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792a7f87-d26b-468c-9ea4-81ec0fe1fb68/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 01:43:44,535 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:44,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:44,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1865280088, now seen corresponding path program 1 times [2022-11-22 01:43:44,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:44,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441260626] [2022-11-22 01:43:44,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:44,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2022-11-22 01:43:45,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:45,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441260626] [2022-11-22 01:43:45,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441260626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:45,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:45,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:45,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663941016] [2022-11-22 01:43:45,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:45,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:45,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:45,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:45,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:45,715 INFO L87 Difference]: Start difference. First operand 119098 states and 174977 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 01:43:47,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:50,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:43:53,797 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 []