./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS --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 7137d136237382d1d4fe8b796308ccd9bf4f8cbcaceb3edb5e802731e648c2dd --- 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-8393723 [2022-11-19 07:41:54,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:41:54,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:41:54,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:41:54,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:41:54,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:41:54,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:41:54,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:41:54,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:41:54,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:41:54,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:41:54,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:41:54,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:41:54,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:41:54,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:41:54,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:41:54,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:41:54,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:41:54,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:41:54,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:41:54,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:41:54,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:41:54,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:41:54,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:41:54,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:41:54,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:41:54,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:41:54,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:41:54,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:41:54,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:41:54,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:41:54,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:41:54,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:41:54,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:41:54,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:41:54,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:41:54,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:41:54,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:41:54,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:41:54,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:41:54,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:41:54,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:41:54,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:41:54,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:41:54,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:41:54,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:41:54,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:41:54,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:41:54,750 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:41:54,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:41:54,750 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:41:54,750 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:41:54,751 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:41:54,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:41:54,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:41:54,752 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:41:54,752 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:41:54,752 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:41:54,752 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:41:54,752 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:41:54,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:41:54,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:41:54,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:41:54,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:41:54,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:41:54,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:41:54,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:41:54,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:41:54,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:41:54,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:41:54,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:41:54,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:41:54,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:41:54,756 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:41:54,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:41:54,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:41:54,757 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:41:54,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:41:54,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:41:54,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:41:54,757 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_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7137d136237382d1d4fe8b796308ccd9bf4f8cbcaceb3edb5e802731e648c2dd [2022-11-19 07:41:55,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:41:55,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:41:55,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:41:55,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:41:55,067 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:41:55,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 07:41:55,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/data/cce6749d3/85f76c5fbb3949149767b6f3d6b3dace/FLAGca3df3595 [2022-11-19 07:41:56,082 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:41:56,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 07:41:56,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/data/cce6749d3/85f76c5fbb3949149767b6f3d6b3dace/FLAGca3df3595 [2022-11-19 07:41:56,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/data/cce6749d3/85f76c5fbb3949149767b6f3d6b3dace [2022-11-19 07:41:56,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:41:56,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:41:56,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:41:56,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:41:56,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:41:56,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:56" (1/1) ... [2022-11-19 07:41:56,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6b270d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:56, skipping insertion in model container [2022-11-19 07:41:56,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:56" (1/1) ... [2022-11-19 07:41:56,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:41:56,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:41:59,347 WARN L234 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_ab541f3f-5611-40da-aca5-9c421b62186c/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i[298420,298433] [2022-11-19 07:41:59,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:41:59,446 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:41:59,839 WARN L234 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_ab541f3f-5611-40da-aca5-9c421b62186c/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i[298420,298433] [2022-11-19 07:41:59,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:00,120 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:42:00,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00 WrapperNode [2022-11-19 07:42:00,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:00,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:00,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:42:00,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:42:00,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,443 INFO L138 Inliner]: procedures = 382, calls = 2312, calls flagged for inlining = 189, calls inlined = 143, statements flattened = 4707 [2022-11-19 07:42:00,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:00,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:42:00,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:42:00,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:42:00,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,776 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:42:00,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:42:00,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:42:00,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:42:00,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (1/1) ... [2022-11-19 07:42:00,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:00,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:00,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:42:00,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:42:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 07:42:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 07:42:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:42:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:42:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 07:42:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 07:42:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-19 07:42:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-19 07:42:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-11-19 07:42:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-11-19 07:42:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-11-19 07:42:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-11-19 07:42:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:42:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:42:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 07:42:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 07:42:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-11-19 07:42:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-11-19 07:42:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:42:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-11-19 07:42:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-11-19 07:42:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:42:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 07:42:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 07:42:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:42:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:42:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-11-19 07:42:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-11-19 07:42:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:42:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:42:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure jme_ioctl [2022-11-19 07:42:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_ioctl [2022-11-19 07:42:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-11-19 07:42:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-11-19 07:42:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-11-19 07:42:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-11-19 07:42:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-11-19 07:42:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-11-19 07:42:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-11-19 07:42:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-11-19 07:42:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-11-19 07:42:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-11-19 07:42:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:42:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:42:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:42:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:42:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:42:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:42:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-11-19 07:42:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-11-19 07:42:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-11-19 07:42:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-11-19 07:42:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable_nosync [2022-11-19 07:42:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable_nosync [2022-11-19 07:42:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:42:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:42:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-11-19 07:42:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-11-19 07:42:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-11-19 07:42:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-11-19 07:42:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-11-19 07:42:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-11-19 07:42:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 07:42:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 07:42:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 07:42:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 07:42:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:42:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:42:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:42:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:42:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-11-19 07:42:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-11-19 07:42:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:42:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:42:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:42:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:42:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:42:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:42:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:42:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:42:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:42:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:42:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-11-19 07:42:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-11-19 07:42:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 07:42:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 07:42:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:42:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 07:42:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 07:42:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:42:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:42:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:42:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-11-19 07:42:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-11-19 07:42:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unmap_page_2 [2022-11-19 07:42:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unmap_page_2 [2022-11-19 07:42:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:42:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:42:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-11-19 07:42:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-11-19 07:42:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 07:42:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 07:42:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-11-19 07:42:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-11-19 07:42:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:42:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:42:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:42:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:42:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-11-19 07:42:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-11-19 07:42:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-11-19 07:42:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-11-19 07:42:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-19 07:42:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-19 07:42:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:42:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:42:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:42:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:42:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-11-19 07:42:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-11-19 07:42:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-19 07:42:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-19 07:42:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-11-19 07:42:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-11-19 07:42:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 07:42:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 07:42:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:42:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-11-19 07:42:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-11-19 07:42:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_macaddr [2022-11-19 07:42:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_macaddr [2022-11-19 07:42:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:42:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:42:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-19 07:42:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-19 07:42:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:42:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:42:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-11-19 07:42:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-11-19 07:42:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure jme_vlan_rx_register [2022-11-19 07:42:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_vlan_rx_register [2022-11-19 07:42:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:42:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:42:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-11-19 07:42:00,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-11-19 07:42:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 07:42:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 07:42:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:42:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:42:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:42:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:42:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-11-19 07:42:00,953 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-11-19 07:42:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-11-19 07:42:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-11-19 07:42:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-19 07:42:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-19 07:42:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:42:00,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:42:00,954 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 07:42:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 07:42:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-11-19 07:42:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-11-19 07:42:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:42:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:42:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 07:42:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 07:42:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 07:42:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 07:42:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-11-19 07:42:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-11-19 07:42:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_features [2022-11-19 07:42:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_features [2022-11-19 07:42:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:42:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:42:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:42:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:42:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:42:00,957 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-11-19 07:42:00,957 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-11-19 07:42:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-19 07:42:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-19 07:42:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-11-19 07:42:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-11-19 07:42:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-11-19 07:42:00,960 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-11-19 07:42:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-11-19 07:42:00,960 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-11-19 07:42:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-11-19 07:42:00,960 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-11-19 07:42:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-11-19 07:42:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-11-19 07:42:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 07:42:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 07:42:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:42:00,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:42:00,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:42:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:42:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:42:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 07:42:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 07:42:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-11-19 07:42:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-11-19 07:42:00,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:42:00,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:42:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2022-11-19 07:42:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2022-11-19 07:42:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-11-19 07:42:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-11-19 07:42:00,963 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-11-19 07:42:00,963 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-11-19 07:42:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:42:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 07:42:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 07:42:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:42:00,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:42:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:42:00,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-19 07:42:00,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-19 07:42:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-19 07:42:00,965 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-19 07:42:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-11-19 07:42:00,965 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-11-19 07:42:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-19 07:42:00,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-19 07:42:00,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:42:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:42:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-11-19 07:42:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-11-19 07:42:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-11-19 07:42:00,966 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-11-19 07:42:00,966 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fix_features [2022-11-19 07:42:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fix_features [2022-11-19 07:42:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-11-19 07:42:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-11-19 07:42:00,967 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-19 07:42:00,967 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-19 07:42:00,968 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:42:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:42:00,972 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-11-19 07:42:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-11-19 07:42:00,972 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-11-19 07:42:00,972 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-11-19 07:42:00,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 07:42:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 07:42:00,973 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:42:00,973 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:42:00,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_map_page_1 [2022-11-19 07:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_map_page_1 [2022-11-19 07:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:42:00,975 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:42:00,975 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-11-19 07:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-11-19 07:42:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-11-19 07:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-11-19 07:42:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-19 07:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-19 07:42:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:42:00,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:42:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure jme_change_mtu [2022-11-19 07:42:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_change_mtu [2022-11-19 07:42:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-19 07:42:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-19 07:42:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-19 07:42:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-19 07:42:01,829 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:42:01,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:42:02,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:42:07,802 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:42:09,329 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:42:09,329 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-19 07:42:09,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:09 BoogieIcfgContainer [2022-11-19 07:42:09,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:42:09,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:42:09,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:42:09,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:42:09,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:41:56" (1/3) ... [2022-11-19 07:42:09,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0d9265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:09, skipping insertion in model container [2022-11-19 07:42:09,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:00" (2/3) ... [2022-11-19 07:42:09,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0d9265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:09, skipping insertion in model container [2022-11-19 07:42:09,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:09" (3/3) ... [2022-11-19 07:42:09,344 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-468e4e3-1-204_8a-drivers--net--jme.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-19 07:42:09,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:42:09,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:42:09,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:42:09,465 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;@1b1b2cb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:42:09,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:42:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 1570 states, 901 states have (on average 1.3196448390677025) internal successors, (1189), 948 states have internal predecessors, (1189), 546 states have call successors, (546), 126 states have call predecessors, (546), 125 states have return successors, (540), 530 states have call predecessors, (540), 540 states have call successors, (540) [2022-11-19 07:42:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-19 07:42:09,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:09,490 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:09,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:09,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:09,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2101431886, now seen corresponding path program 1 times [2022-11-19 07:42:09,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:09,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888362227] [2022-11-19 07:42:09,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:09,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2022-11-19 07:42:10,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:10,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888362227] [2022-11-19 07:42:10,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888362227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:10,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:10,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:10,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381632924] [2022-11-19 07:42:10,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:10,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:10,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:10,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:10,474 INFO L87 Difference]: Start difference. First operand has 1570 states, 901 states have (on average 1.3196448390677025) internal successors, (1189), 948 states have internal predecessors, (1189), 546 states have call successors, (546), 126 states have call predecessors, (546), 125 states have return successors, (540), 530 states have call predecessors, (540), 540 states have call successors, (540) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-19 07:42:13,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:15,687 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 [] [2022-11-19 07:42:16,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:16,941 INFO L93 Difference]: Finished difference Result 4590 states and 6677 transitions. [2022-11-19 07:42:16,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:16,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 177 [2022-11-19 07:42:16,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:16,974 INFO L225 Difference]: With dead ends: 4590 [2022-11-19 07:42:16,974 INFO L226 Difference]: Without dead ends: 3033 [2022-11-19 07:42:16,987 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 [2022-11-19 07:42:16,990 INFO L413 NwaCegarLoop]: 2534 mSDtfsCounter, 2156 mSDsluCounter, 2010 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 4544 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:16,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 4544 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 461 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-19 07:42:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2022-11-19 07:42:17,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 3030. [2022-11-19 07:42:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 1737 states have (on average 1.3103051237766263) internal successors, (2276), 1807 states have internal predecessors, (2276), 1045 states have call successors, (1045), 248 states have call predecessors, (1045), 247 states have return successors, (1042), 1022 states have call predecessors, (1042), 1042 states have call successors, (1042) [2022-11-19 07:42:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 4363 transitions. [2022-11-19 07:42:17,347 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 4363 transitions. Word has length 177 [2022-11-19 07:42:17,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:17,349 INFO L495 AbstractCegarLoop]: Abstraction has 3030 states and 4363 transitions. [2022-11-19 07:42:17,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-19 07:42:17,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 4363 transitions. [2022-11-19 07:42:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-19 07:42:17,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:17,359 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:17,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:42:17,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:17,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:17,361 INFO L85 PathProgramCache]: Analyzing trace with hash -908783941, now seen corresponding path program 1 times [2022-11-19 07:42:17,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:17,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221544962] [2022-11-19 07:42:17,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:17,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-11-19 07:42:17,817 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:17,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221544962] [2022-11-19 07:42:17,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221544962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:17,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:17,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:17,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588435523] [2022-11-19 07:42:17,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:17,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:17,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:17,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:17,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:17,825 INFO L87 Difference]: Start difference. First operand 3030 states and 4363 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:42:20,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:20,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:20,667 INFO L93 Difference]: Finished difference Result 3032 states and 4364 transitions. [2022-11-19 07:42:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:20,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 192 [2022-11-19 07:42:20,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:20,686 INFO L225 Difference]: With dead ends: 3032 [2022-11-19 07:42:20,686 INFO L226 Difference]: Without dead ends: 3029 [2022-11-19 07:42:20,689 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 [2022-11-19 07:42:20,690 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 2198 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2198 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:20,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2198 Valid, 1997 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-19 07:42:20,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-11-19 07:42:20,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 3029. [2022-11-19 07:42:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 1737 states have (on average 1.3097294185377086) internal successors, (2275), 1806 states have internal predecessors, (2275), 1044 states have call successors, (1044), 248 states have call predecessors, (1044), 247 states have return successors, (1042), 1022 states have call predecessors, (1042), 1042 states have call successors, (1042) [2022-11-19 07:42:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 4361 transitions. [2022-11-19 07:42:20,937 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 4361 transitions. Word has length 192 [2022-11-19 07:42:20,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:20,939 INFO L495 AbstractCegarLoop]: Abstraction has 3029 states and 4361 transitions. [2022-11-19 07:42:20,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:42:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 4361 transitions. [2022-11-19 07:42:20,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-19 07:42:20,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:20,948 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:20,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:42:20,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:20,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:20,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1891614995, now seen corresponding path program 1 times [2022-11-19 07:42:20,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:20,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248792568] [2022-11-19 07:42:20,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:20,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-11-19 07:42:21,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:21,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248792568] [2022-11-19 07:42:21,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248792568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:21,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:21,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:21,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860940523] [2022-11-19 07:42:21,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:21,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:21,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:21,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:21,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:21,273 INFO L87 Difference]: Start difference. First operand 3029 states and 4361 transitions. 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:42:24,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:24,835 INFO L93 Difference]: Finished difference Result 8885 states and 12831 transitions. [2022-11-19 07:42:24,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:24,836 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 193 [2022-11-19 07:42:24,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:24,883 INFO L225 Difference]: With dead ends: 8885 [2022-11-19 07:42:24,883 INFO L226 Difference]: Without dead ends: 5888 [2022-11-19 07:42:24,902 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 [2022-11-19 07:42:24,906 INFO L413 NwaCegarLoop]: 2497 mSDtfsCounter, 2108 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 4447 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:24,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 4447 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-19 07:42:24,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5888 states. [2022-11-19 07:42:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5888 to 5881. [2022-11-19 07:42:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5881 states, 3372 states have (on average 1.314650059311981) internal successors, (4433), 3511 states have internal predecessors, (4433), 2031 states have call successors, (2031), 483 states have call predecessors, (2031), 477 states have return successors, (2028), 1980 states have call predecessors, (2028), 2028 states have call successors, (2028) [2022-11-19 07:42:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5881 states to 5881 states and 8492 transitions. [2022-11-19 07:42:25,427 INFO L78 Accepts]: Start accepts. Automaton has 5881 states and 8492 transitions. Word has length 193 [2022-11-19 07:42:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:25,434 INFO L495 AbstractCegarLoop]: Abstraction has 5881 states and 8492 transitions. [2022-11-19 07:42:25,434 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:42:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5881 states and 8492 transitions. [2022-11-19 07:42:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-11-19 07:42:25,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:25,455 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:25,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:42:25,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:25,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:25,457 INFO L85 PathProgramCache]: Analyzing trace with hash -671090404, now seen corresponding path program 1 times [2022-11-19 07:42:25,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:25,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326462754] [2022-11-19 07:42:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:25,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2022-11-19 07:42:25,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:25,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326462754] [2022-11-19 07:42:25,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326462754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:25,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:25,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:25,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295798820] [2022-11-19 07:42:25,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:25,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:25,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:25,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:25,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:25,924 INFO L87 Difference]: Start difference. First operand 5881 states and 8492 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-19 07:42:29,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:29,453 INFO L93 Difference]: Finished difference Result 15711 states and 22630 transitions. [2022-11-19 07:42:29,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:29,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 345 [2022-11-19 07:42:29,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:29,514 INFO L225 Difference]: With dead ends: 15711 [2022-11-19 07:42:29,514 INFO L226 Difference]: Without dead ends: 9865 [2022-11-19 07:42:29,544 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 [2022-11-19 07:42:29,545 INFO L413 NwaCegarLoop]: 2345 mSDtfsCounter, 1500 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 4195 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:29,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 4195 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-19 07:42:29,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9865 states. [2022-11-19 07:42:30,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9865 to 9843. [2022-11-19 07:42:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9843 states, 5644 states have (on average 1.3167965981573353) internal successors, (7432), 5887 states have internal predecessors, (7432), 3367 states have call successors, (3367), 837 states have call predecessors, (3367), 831 states have return successors, (3364), 3280 states have call predecessors, (3364), 3364 states have call successors, (3364) [2022-11-19 07:42:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9843 states to 9843 states and 14163 transitions. [2022-11-19 07:42:30,300 INFO L78 Accepts]: Start accepts. Automaton has 9843 states and 14163 transitions. Word has length 345 [2022-11-19 07:42:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:30,301 INFO L495 AbstractCegarLoop]: Abstraction has 9843 states and 14163 transitions. [2022-11-19 07:42:30,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-19 07:42:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 9843 states and 14163 transitions. [2022-11-19 07:42:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2022-11-19 07:42:30,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:30,346 INFO L195 NwaCegarLoop]: trace histogram [58, 45, 29, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:30,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:42:30,346 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash -694010299, now seen corresponding path program 1 times [2022-11-19 07:42:30,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:30,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033832391] [2022-11-19 07:42:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8877 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8877 trivial. 0 not checked. [2022-11-19 07:42:31,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:31,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033832391] [2022-11-19 07:42:31,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033832391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:31,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:31,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:42:31,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553330515] [2022-11-19 07:42:31,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:31,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:31,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:31,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:31,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:42:31,322 INFO L87 Difference]: Start difference. First operand 9843 states and 14163 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2022-11-19 07:42:34,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:36,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:38,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:38,418 INFO L93 Difference]: Finished difference Result 27995 states and 40223 transitions. [2022-11-19 07:42:38,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:38,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) Word has length 999 [2022-11-19 07:42:38,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:38,540 INFO L225 Difference]: With dead ends: 27995 [2022-11-19 07:42:38,541 INFO L226 Difference]: Without dead ends: 18187 [2022-11-19 07:42:38,592 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 [2022-11-19 07:42:38,593 INFO L413 NwaCegarLoop]: 2604 mSDtfsCounter, 2022 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:38,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 4540 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-19 07:42:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18187 states. [2022-11-19 07:42:39,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18187 to 18177. [2022-11-19 07:42:39,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18177 states, 10438 states have (on average 1.3134700134125312) internal successors, (13710), 10895 states have internal predecessors, (13710), 6193 states have call successors, (6193), 1555 states have call predecessors, (6193), 1545 states have return successors, (6190), 6022 states have call predecessors, (6190), 6190 states have call successors, (6190) [2022-11-19 07:42:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18177 states to 18177 states and 26093 transitions. [2022-11-19 07:42:39,777 INFO L78 Accepts]: Start accepts. Automaton has 18177 states and 26093 transitions. Word has length 999 [2022-11-19 07:42:39,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:39,777 INFO L495 AbstractCegarLoop]: Abstraction has 18177 states and 26093 transitions. [2022-11-19 07:42:39,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (94), 2 states have call predecessors, (94), 1 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2022-11-19 07:42:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 18177 states and 26093 transitions. [2022-11-19 07:42:39,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2022-11-19 07:42:39,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:39,929 INFO L195 NwaCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:39,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:42:39,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:39,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:39,930 INFO L85 PathProgramCache]: Analyzing trace with hash 880631668, now seen corresponding path program 1 times [2022-11-19 07:42:39,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:39,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380730163] [2022-11-19 07:42:39,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:39,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9961 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9957 trivial. 0 not checked. [2022-11-19 07:42:42,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:42,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380730163] [2022-11-19 07:42:42,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380730163] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:42:42,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854166844] [2022-11-19 07:42:42,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:42,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:42,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:42,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:42:42,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:42:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:44,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 7821 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:42:44,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:42:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9961 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 9187 trivial. 0 not checked. [2022-11-19 07:42:45,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:42:45,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854166844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:45,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:42:45,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 07:42:45,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670815539] [2022-11-19 07:42:45,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:45,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:42:45,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:45,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:42:45,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:45,199 INFO L87 Difference]: Start difference. First operand 18177 states and 26093 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) [2022-11-19 07:42:47,523 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 [] [2022-11-19 07:42:50,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:50,720 INFO L93 Difference]: Finished difference Result 50621 states and 72565 transitions. [2022-11-19 07:42:50,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:42:50,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) Word has length 1105 [2022-11-19 07:42:50,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:50,885 INFO L225 Difference]: With dead ends: 50621 [2022-11-19 07:42:50,885 INFO L226 Difference]: Without dead ends: 32487 [2022-11-19 07:42:50,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1110 GetRequests, 1107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:50,962 INFO L413 NwaCegarLoop]: 3063 mSDtfsCounter, 1865 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 4980 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:50,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 4980 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 554 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-19 07:42:50,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32487 states. [2022-11-19 07:42:52,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32487 to 32453. [2022-11-19 07:42:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32453 states, 19002 states have (on average 1.3224923692242923) internal successors, (25130), 19839 states have internal predecessors, (25130), 10661 states have call successors, (10661), 2807 states have call predecessors, (10661), 2789 states have return successors, (10658), 10338 states have call predecessors, (10658), 10658 states have call successors, (10658) [2022-11-19 07:42:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32453 states to 32453 states and 46449 transitions. [2022-11-19 07:42:53,018 INFO L78 Accepts]: Start accepts. Automaton has 32453 states and 46449 transitions. Word has length 1105 [2022-11-19 07:42:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:53,021 INFO L495 AbstractCegarLoop]: Abstraction has 32453 states and 46449 transitions. [2022-11-19 07:42:53,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (100), 3 states have call predecessors, (100), 3 states have call successors, (100) [2022-11-19 07:42:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32453 states and 46449 transitions. [2022-11-19 07:42:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2022-11-19 07:42:53,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:53,060 INFO L195 NwaCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:53,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:42:53,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:42:53,278 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:53,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:53,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1715661070, now seen corresponding path program 1 times [2022-11-19 07:42:53,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:53,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962317076] [2022-11-19 07:42:53,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:53,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 9974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9974 trivial. 0 not checked. [2022-11-19 07:42:56,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:56,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962317076] [2022-11-19 07:42:56,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962317076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:56,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:56,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:42:56,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282507458] [2022-11-19 07:42:56,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:56,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:42:56,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:56,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:42:56,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:42:56,934 INFO L87 Difference]: Start difference. First operand 32453 states and 46449 transitions. Second operand has 8 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (98), 4 states have call predecessors, (98), 3 states have call successors, (98) [2022-11-19 07:43:01,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:03,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:05,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:12,465 INFO L93 Difference]: Finished difference Result 65023 states and 93292 transitions. [2022-11-19 07:43:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:43:12,466 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (98), 4 states have call predecessors, (98), 3 states have call successors, (98) Word has length 1124 [2022-11-19 07:43:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:12,648 INFO L225 Difference]: With dead ends: 65023 [2022-11-19 07:43:12,648 INFO L226 Difference]: Without dead ends: 32613 [2022-11-19 07:43:12,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:43:12,925 INFO L413 NwaCegarLoop]: 1987 mSDtfsCounter, 14 mSDsluCounter, 11884 mSDsCounter, 0 mSdLazyCounter, 1734 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 13871 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1734 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:12,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 13871 Invalid, 1745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1734 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2022-11-19 07:43:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32613 states. [2022-11-19 07:43:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32613 to 32513. [2022-11-19 07:43:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32513 states, 19042 states have (on average 1.3218149354059447) internal successors, (25170), 19859 states have internal predecessors, (25170), 10681 states have call successors, (10681), 2807 states have call predecessors, (10681), 2789 states have return successors, (10678), 10358 states have call predecessors, (10678), 10678 states have call successors, (10678) [2022-11-19 07:43:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32513 states to 32513 states and 46529 transitions. [2022-11-19 07:43:15,502 INFO L78 Accepts]: Start accepts. Automaton has 32513 states and 46529 transitions. Word has length 1124 [2022-11-19 07:43:15,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:15,503 INFO L495 AbstractCegarLoop]: Abstraction has 32513 states and 46529 transitions. [2022-11-19 07:43:15,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (98), 4 states have call predecessors, (98), 3 states have call successors, (98) [2022-11-19 07:43:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32513 states and 46529 transitions. [2022-11-19 07:43:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2022-11-19 07:43:15,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:15,545 INFO L195 NwaCegarLoop]: trace histogram [58, 45, 29, 18, 18, 18, 18, 18, 18, 18, 18, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:15,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:43:15,546 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:15,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:15,547 INFO L85 PathProgramCache]: Analyzing trace with hash -118935683, now seen corresponding path program 1 times [2022-11-19 07:43:15,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:15,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960981677] [2022-11-19 07:43:15,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:15,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9974 trivial. 0 not checked. [2022-11-19 07:43:17,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:17,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960981677] [2022-11-19 07:43:17,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960981677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:17,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:17,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:43:17,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155987796] [2022-11-19 07:43:17,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:17,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:43:17,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:17,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:43:17,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:43:17,224 INFO L87 Difference]: Start difference. First operand 32513 states and 46529 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 07:43:19,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:22,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:22,212 INFO L93 Difference]: Finished difference Result 65199 states and 93440 transitions. [2022-11-19 07:43:22,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:43:22,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 1127 [2022-11-19 07:43:22,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:22,401 INFO L225 Difference]: With dead ends: 65199 [2022-11-19 07:43:22,402 INFO L226 Difference]: Without dead ends: 32729 [2022-11-19 07:43:22,518 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 [2022-11-19 07:43:22,518 INFO L413 NwaCegarLoop]: 2002 mSDtfsCounter, 5 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3998 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:22,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3998 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-19 07:43:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32729 states. [2022-11-19 07:43:24,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32729 to 32537. [2022-11-19 07:43:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32537 states, 19066 states have (on average 1.321409839504878) internal successors, (25194), 19883 states have internal predecessors, (25194), 10681 states have call successors, (10681), 2807 states have call predecessors, (10681), 2789 states have return successors, (10678), 10358 states have call predecessors, (10678), 10678 states have call successors, (10678) [2022-11-19 07:43:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32537 states to 32537 states and 46553 transitions. [2022-11-19 07:43:24,833 INFO L78 Accepts]: Start accepts. Automaton has 32537 states and 46553 transitions. Word has length 1127 [2022-11-19 07:43:24,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:24,835 INFO L495 AbstractCegarLoop]: Abstraction has 32537 states and 46553 transitions. [2022-11-19 07:43:24,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2022-11-19 07:43:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 32537 states and 46553 transitions. [2022-11-19 07:43:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1169 [2022-11-19 07:43:24,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:24,895 INFO L195 NwaCegarLoop]: trace histogram [62, 47, 31, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:24,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:43:24,895 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:24,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:24,896 INFO L85 PathProgramCache]: Analyzing trace with hash 107850822, now seen corresponding path program 1 times [2022-11-19 07:43:24,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:24,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020197265] [2022-11-19 07:43:24,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:24,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11061 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11060 trivial. 0 not checked. [2022-11-19 07:43:26,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:26,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020197265] [2022-11-19 07:43:26,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020197265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:26,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:26,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:43:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398879751] [2022-11-19 07:43:26,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:26,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:43:26,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:43:26,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:43:26,663 INFO L87 Difference]: Start difference. First operand 32537 states and 46553 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-19 07:43:30,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:30,719 INFO L93 Difference]: Finished difference Result 65151 states and 93320 transitions. [2022-11-19 07:43:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:43:30,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) Word has length 1168 [2022-11-19 07:43:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:30,915 INFO L225 Difference]: With dead ends: 65151 [2022-11-19 07:43:30,916 INFO L226 Difference]: Without dead ends: 32657 [2022-11-19 07:43:31,060 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 [2022-11-19 07:43:31,062 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 2 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3990 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:31,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3990 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-19 07:43:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32657 states. [2022-11-19 07:43:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32657 to 32561. [2022-11-19 07:43:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32561 states, 19090 states have (on average 1.3210057621791513) internal successors, (25218), 19907 states have internal predecessors, (25218), 10681 states have call successors, (10681), 2807 states have call predecessors, (10681), 2789 states have return successors, (10678), 10358 states have call predecessors, (10678), 10678 states have call successors, (10678) [2022-11-19 07:43:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32561 states to 32561 states and 46577 transitions. [2022-11-19 07:43:32,970 INFO L78 Accepts]: Start accepts. Automaton has 32561 states and 46577 transitions. Word has length 1168 [2022-11-19 07:43:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:32,971 INFO L495 AbstractCegarLoop]: Abstraction has 32561 states and 46577 transitions. [2022-11-19 07:43:32,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-19 07:43:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32561 states and 46577 transitions. [2022-11-19 07:43:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2022-11-19 07:43:33,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:33,010 INFO L195 NwaCegarLoop]: trace histogram [66, 49, 33, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:33,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:43:33,010 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:43:33,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:33,011 INFO L85 PathProgramCache]: Analyzing trace with hash -833947060, now seen corresponding path program 1 times [2022-11-19 07:43:33,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:33,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282496186] [2022-11-19 07:43:33,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:33,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12236 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12234 trivial. 0 not checked. [2022-11-19 07:43:34,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:34,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282496186] [2022-11-19 07:43:34,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282496186] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:43:34,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235340216] [2022-11-19 07:43:34,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:34,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:43:34,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:43:34,899 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:43:34,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab541f3f-5611-40da-aca5-9c421b62186c/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:43:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:37,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 8366 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:43:37,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:43:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12236 backedges. 597 proven. 1 refuted. 0 times theorem prover too weak. 11638 trivial. 0 not checked. [2022-11-19 07:43:37,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:43:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12236 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12234 trivial. 0 not checked. [2022-11-19 07:43:39,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235340216] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:43:39,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [262960729] [2022-11-19 07:43:39,747 INFO L159 IcfgInterpreter]: Started Sifa with 299 locations of interest [2022-11-19 07:43:39,747 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:43:39,752 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:43:39,757 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:43:39,757 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:43:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:43,693 INFO L217 Elim1Store]: Index analysis took 528 ms [2022-11-19 07:44:41,091 WARN L233 SmtUtils]: Spent 57.34s on a formula simplification. DAG size of input: 2462 DAG size of output: 1094 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:44:41,101 INFO L321 Elim1Store]: treesize reduction 9176, result has 17.5 percent of original size [2022-11-19 07:44:41,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 84 select indices, 84 select index equivalence classes, 3091 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 480 case distinctions, treesize of input 479 treesize of output 2253 [2022-11-19 07:44:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:43,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:43,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 78 select indices, 78 select index equivalence classes, 3408 disjoint index pairs (out of 3003 index pairs), introduced 78 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 650 [2022-11-19 07:44:53,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 07:44:53,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 07:44:53,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:44:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:59,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 100 select indices, 100 select index equivalence classes, 389 disjoint index pairs (out of 4950 index pairs), introduced 100 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 301 [2022-11-19 07:45:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:00,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:00,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:00,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 84 select indices, 84 select index equivalence classes, 3486 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 421 treesize of output 253 [2022-11-19 07:45:01,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:01,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:01,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:01,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:01,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:01,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 83 select indices, 83 select index equivalence classes, 3408 disjoint index pairs (out of 3403 index pairs), introduced 83 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 250 [2022-11-19 07:45:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:15,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:15,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 83 select indices, 83 select index equivalence classes, 3408 disjoint index pairs (out of 3403 index pairs), introduced 83 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 250 [2022-11-19 07:45:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:16,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:16,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:16,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:16,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 84 select indices, 84 select index equivalence classes, 3486 disjoint index pairs (out of 3486 index pairs), introduced 84 new quantified variables, introduced 0 case distinctions, treesize of input 421 treesize of output 253 [2022-11-19 07:45:17,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:45:17,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 100 select indices, 100 select index equivalence classes, 389 disjoint index pairs (out of 4950 index pairs), introduced 100 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 301 [2022-11-19 07:45:30,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:31,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:45:31,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:37,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:37,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:45:37,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:49,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:50,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:45:50,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:56,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:56,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:45:56,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:46:08,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:46:08,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 07:46:09,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:46:15,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:46:16,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 07:46:16,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4