./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:01:12,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:01:12,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:01:12,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:01:12,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:01:12,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:01:12,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:01:12,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:01:12,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:01:12,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:01:12,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:01:12,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:01:12,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:01:12,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:01:12,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:01:12,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:01:12,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:01:12,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:01:12,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:01:12,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:01:12,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:01:12,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:01:12,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:01:12,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:01:12,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:01:12,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:01:12,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:01:12,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:01:12,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:01:12,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:01:12,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:01:12,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:01:12,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:01:12,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:01:12,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:01:12,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:01:12,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:01:12,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:01:12,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:01:12,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:01:12,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:01:12,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:01:12,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:01:12,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:01:12,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:01:12,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:01:12,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:01:12,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:01:12,926 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:01:12,926 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:01:12,926 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:01:12,927 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:01:12,928 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:01:12,928 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:01:12,928 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:01:12,929 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:01:12,929 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:01:12,929 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:01:12,929 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:01:12,930 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:01:12,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:01:12,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:01:12,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:01:12,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:01:12,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:01:12,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:01:12,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:01:12,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:01:12,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:01:12,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:01:12,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:01:12,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:01:12,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:01:12,935 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:01:12,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:01:12,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:01:12,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:01:12,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:01:12,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:01:12,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:01:12,936 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_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eade98d3572945dc3f3afa13df28f18738479fb416def85e3793aeb4de65612 [2022-11-03 02:01:13,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:01:13,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:01:13,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:01:13,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:01:13,303 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:01:13,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-03 02:01:13,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/data/f09ea794e/1d159cd0a8644b0cb633a8e0b25919c9/FLAGbce59ac17 [2022-11-03 02:01:14,822 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:01:14,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-03 02:01:14,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/data/f09ea794e/1d159cd0a8644b0cb633a8e0b25919c9/FLAGbce59ac17 [2022-11-03 02:01:15,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/data/f09ea794e/1d159cd0a8644b0cb633a8e0b25919c9 [2022-11-03 02:01:15,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:01:15,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:01:15,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:01:15,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:01:15,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:01:15,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:01:15" (1/1) ... [2022-11-03 02:01:15,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3da967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:15, skipping insertion in model container [2022-11-03 02:01:15,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:01:15" (1/1) ... [2022-11-03 02:01:15,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:01:15,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:01:22,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2022-11-03 02:01:23,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:01:23,232 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:01:24,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i[615856,615869] [2022-11-03 02:01:24,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:01:24,760 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:01:24,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24 WrapperNode [2022-11-03 02:01:24,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:01:24,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:01:24,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:01:24,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:01:24,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:24,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,262 INFO L138 Inliner]: procedures = 720, calls = 7789, calls flagged for inlining = 365, calls inlined = 99, statements flattened = 7352 [2022-11-03 02:01:25,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:01:25,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:01:25,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:01:25,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:01:25,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,641 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:01:25,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:01:25,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:01:25,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:01:25,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (1/1) ... [2022-11-03 02:01:25,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:01:25,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:25,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:01:25,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f40198a-c12b-4144-be84-d99555f35e91/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:01:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-11-03 02:01:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-11-03 02:01:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-11-03 02:01:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-11-03 02:01:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_excluded [2022-11-03 02:01:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_excluded [2022-11-03 02:01:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-11-03 02:01:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-11-03 02:01:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-03 02:01:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-03 02:01:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 02:01:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 02:01:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-03 02:01:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-03 02:01:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:01:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-11-03 02:01:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-11-03 02:01:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_write_object [2022-11-03 02:01:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_write_object [2022-11-03 02:01:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:01:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:01:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 02:01:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 02:01:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:01:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_redboot [2022-11-03 02:01:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_redboot [2022-11-03 02:01:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_file [2022-11-03 02:01:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_file [2022-11-03 02:01:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:01:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:01:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 02:01:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 02:01:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure be_cq_notify [2022-11-03 02:01:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cq_notify [2022-11-03 02:01:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:01:25,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2022-11-03 02:01:25,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mbox_lock_of_be_adapter [2022-11-03 02:01:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:01:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:01:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:01:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure be_set_msg_level [2022-11-03 02:01:25,836 INFO L138 BoogieDeclarations]: Found implementation of procedure be_set_msg_level [2022-11-03 02:01:25,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-11-03 02:01:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-11-03 02:01:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:01:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure be_loopback_test [2022-11-03 02:01:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure be_loopback_test [2022-11-03 02:01:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:01:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:01:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-11-03 02:01:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-11-03 02:01:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-11-03 02:01:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-11-03 02:01:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:01:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:01:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-11-03 02:01:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-11-03 02:01:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-11-03 02:01:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-11-03 02:01:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure be_decode_resp_hdr [2022-11-03 02:01:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure be_decode_resp_hdr [2022-11-03 02:01:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:01:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:01:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:01:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:01:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-03 02:01:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-03 02:01:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_allowed [2022-11-03 02:01:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_allowed [2022-11-03 02:01:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure be_pause_supported [2022-11-03 02:01:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure be_pause_supported [2022-11-03 02:01:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:01:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:01:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure convert_to_et_setting [2022-11-03 02:01:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure convert_to_et_setting [2022-11-03 02:01:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure queue_head_node [2022-11-03 02:01:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_head_node [2022-11-03 02:01:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash_BEx [2022-11-03 02:01:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash_BEx [2022-11-03 02:01:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure get_fsec_info [2022-11-03 02:01:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fsec_info [2022-11-03 02:01:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-03 02:01:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-03 02:01:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure be_error [2022-11-03 02:01:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure be_error [2022-11-03 02:01:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_read_object [2022-11-03 02:01:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_read_object [2022-11-03 02:01:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-11-03 02:01:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-11-03 02:01:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:01:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:01:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 02:01:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 02:01:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure be_flash [2022-11-03 02:01:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure be_flash [2022-11-03 02:01:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 02:01:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 02:01:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:01:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:01:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure check_privilege [2022-11-03 02:01:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure check_privilege [2022-11-03 02:01:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:01:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify_wait [2022-11-03 02:01:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify_wait [2022-11-03 02:01:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:01:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure be_link_status_update [2022-11-03 02:01:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure be_link_status_update [2022-11-03 02:01:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 02:01:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 02:01:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:01:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:01:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_fw_ver [2022-11-03 02:01:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_fw_ver [2022-11-03 02:01:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_flow_control [2022-11-03 02:01:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_flow_control [2022-11-03 02:01:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:01:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:01:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:01:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:01:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_link_status_query [2022-11-03 02:01:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_link_status_query [2022-11-03 02:01:25,863 INFO L130 BoogieDeclarations]: Found specification of procedure be_process_mcc [2022-11-03 02:01:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure be_process_mcc [2022-11-03 02:01:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 02:01:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 02:01:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:01:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:01:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:01:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:01:25,864 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_rss_config [2022-11-03 02:01:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_rss_config [2022-11-03 02:01:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure lancer_cmd_get_file_len [2022-11-03 02:01:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure lancer_cmd_get_file_len [2022-11-03 02:01:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:01:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:01:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure be_multi_rxq [2022-11-03 02:01:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure be_multi_rxq [2022-11-03 02:01:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2022-11-03 02:01:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mbox_lock_of_be_adapter [2022-11-03 02:01:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:01:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:01:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:01:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:01:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure be_detect_error [2022-11-03 02:01:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure be_detect_error [2022-11-03 02:01:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure MODULO___0 [2022-11-03 02:01:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure MODULO___0 [2022-11-03 02:01:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-03 02:01:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-03 02:01:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-03 02:01:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-03 02:01:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:01:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc___0 [2022-11-03 02:01:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc___0 [2022-11-03 02:01:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-11-03 02:01:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-11-03 02:01:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:01:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:01:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 02:01:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 02:01:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_phy_info [2022-11-03 02:01:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_phy_info [2022-11-03 02:01:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_cmd_hdr_prepare [2022-11-03 02:01:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_cmd_hdr_prepare [2022-11-03 02:01:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_loopback [2022-11-03 02:01:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_loopback [2022-11-03 02:01:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure be_hw_error [2022-11-03 02:01:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure be_hw_error [2022-11-03 02:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 02:01:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 02:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-11-03 02:01:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-11-03 02:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:01:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_get_ext_fat_capabilites [2022-11-03 02:01:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_get_ext_fat_capabilites [2022-11-03 02:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:01:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:01:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:01:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-03 02:01:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-03 02:01:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:01:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:01:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stats_from_cmd [2022-11-03 02:01:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stats_from_cmd [2022-11-03 02:01:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 02:01:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 02:01:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-11-03 02:01:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-11-03 02:01:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-11-03 02:01:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-11-03 02:01:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:01:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:01:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:01:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:01:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 02:01:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 02:01:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_beacon_state [2022-11-03 02:01:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_beacon_state [2022-11-03 02:01:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure be_is_wol_supported [2022-11-03 02:01:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure be_is_wol_supported [2022-11-03 02:01:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:01:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-03 02:01:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-03 02:01:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:01:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:01:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_set_flow_control [2022-11-03 02:01:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_set_flow_control [2022-11-03 02:01:26,865 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:01:26,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:14:33,838 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:14:39,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:14:39,760 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:14:39,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:14:39 BoogieIcfgContainer [2022-11-03 02:14:39,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:14:39,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:14:39,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:14:39,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:14:39,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:01:15" (1/3) ... [2022-11-03 02:14:39,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e27d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:14:39, skipping insertion in model container [2022-11-03 02:14:39,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:24" (2/3) ... [2022-11-03 02:14:39,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e27d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:14:39, skipping insertion in model container [2022-11-03 02:14:39,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:14:39" (3/3) ... [2022-11-03 02:14:39,779 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--emulex--benet--be2net.ko-ldv_main2.cil.out.i [2022-11-03 02:14:39,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:14:39,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:14:39,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:14:39,927 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;@4479ca1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:14:39,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:14:39,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 1279 states, 803 states have (on average 1.3250311332503113) internal successors, (1064), 818 states have internal predecessors, (1064), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) [2022-11-03 02:14:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 02:14:39,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:39,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:14:39,948 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:14:39,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:39,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1314975508, now seen corresponding path program 1 times [2022-11-03 02:14:39,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:39,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876948873] [2022-11-03 02:14:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:39,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:14:41,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:41,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876948873] [2022-11-03 02:14:41,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876948873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:41,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:14:41,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:14:41,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388115597] [2022-11-03 02:14:41,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:41,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:14:41,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:41,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:14:41,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:14:41,565 INFO L87 Difference]: Start difference. First operand has 1279 states, 803 states have (on average 1.3250311332503113) internal successors, (1064), 818 states have internal predecessors, (1064), 378 states have call successors, (378), 96 states have call predecessors, (378), 96 states have return successors, (378), 376 states have call predecessors, (378), 378 states have call successors, (378) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:14:43,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:46,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:49,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:51,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:53,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:55,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:57,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:59,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:59,519 INFO L93 Difference]: Finished difference Result 2791 states and 3954 transitions. [2022-11-03 02:14:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:14:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-03 02:14:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:59,553 INFO L225 Difference]: With dead ends: 2791 [2022-11-03 02:14:59,553 INFO L226 Difference]: Without dead ends: 1509 [2022-11-03 02:14:59,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:14:59,571 INFO L413 NwaCegarLoop]: 1684 mSDtfsCounter, 1726 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:59,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 1971 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 6 Unknown, 0 Unchecked, 17.7s Time] [2022-11-03 02:14:59,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2022-11-03 02:14:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1505. [2022-11-03 02:14:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 938 states have (on average 1.3102345415778252) internal successors, (1229), 956 states have internal predecessors, (1229), 434 states have call successors, (434), 134 states have call predecessors, (434), 132 states have return successors, (430), 423 states have call predecessors, (430), 428 states have call successors, (430) [2022-11-03 02:14:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2093 transitions. [2022-11-03 02:14:59,764 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2093 transitions. Word has length 10 [2022-11-03 02:14:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:59,765 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 2093 transitions. [2022-11-03 02:14:59,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:14:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2093 transitions. [2022-11-03 02:14:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 02:14:59,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:59,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:14:59,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:14:59,767 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:14:59,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:59,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2107321082, now seen corresponding path program 1 times [2022-11-03 02:14:59,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:59,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195690735] [2022-11-03 02:14:59,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:59,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:00,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:00,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195690735] [2022-11-03 02:15:00,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195690735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:00,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:00,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:15:00,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091109907] [2022-11-03 02:15:00,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:00,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:15:00,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:00,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:15:00,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:15:00,698 INFO L87 Difference]: Start difference. First operand 1505 states and 2093 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:15:02,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:07,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:09,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:11,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:13,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:16,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:18,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:18,867 INFO L93 Difference]: Finished difference Result 1516 states and 2102 transitions. [2022-11-03 02:15:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:15:18,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-03 02:15:18,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:18,882 INFO L225 Difference]: With dead ends: 1516 [2022-11-03 02:15:18,883 INFO L226 Difference]: Without dead ends: 1513 [2022-11-03 02:15:18,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:15:18,887 INFO L413 NwaCegarLoop]: 1676 mSDtfsCounter, 1739 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:18,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 1961 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 274 Invalid, 7 Unknown, 0 Unchecked, 18.0s Time] [2022-11-03 02:15:18,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2022-11-03 02:15:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1510. [2022-11-03 02:15:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 941 states have (on average 1.308182784272051) internal successors, (1231), 958 states have internal predecessors, (1231), 434 states have call successors, (434), 136 states have call predecessors, (434), 134 states have return successors, (431), 424 states have call predecessors, (431), 429 states have call successors, (431) [2022-11-03 02:15:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2096 transitions. [2022-11-03 02:15:19,000 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2096 transitions. Word has length 11 [2022-11-03 02:15:19,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:19,001 INFO L495 AbstractCegarLoop]: Abstraction has 1510 states and 2096 transitions. [2022-11-03 02:15:19,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:15:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2096 transitions. [2022-11-03 02:15:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 02:15:19,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:19,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:19,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:15:19,003 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:15:19,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:19,012 INFO L85 PathProgramCache]: Analyzing trace with hash 900234967, now seen corresponding path program 1 times [2022-11-03 02:15:19,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:19,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22976801] [2022-11-03 02:15:19,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:19,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:20,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:20,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22976801] [2022-11-03 02:15:20,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22976801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:20,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:20,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:15:20,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921444030] [2022-11-03 02:15:20,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:20,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:15:20,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:20,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:15:20,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:15:20,018 INFO L87 Difference]: Start difference. First operand 1510 states and 2096 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:15:22,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:24,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:30,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:32,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:34,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:36,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:38,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:39,395 INFO L93 Difference]: Finished difference Result 2621 states and 3680 transitions. [2022-11-03 02:15:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:15:39,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-03 02:15:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:39,416 INFO L225 Difference]: With dead ends: 2621 [2022-11-03 02:15:39,416 INFO L226 Difference]: Without dead ends: 2617 [2022-11-03 02:15:39,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:15:39,420 INFO L413 NwaCegarLoop]: 1979 mSDtfsCounter, 1553 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 3546 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:39,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 3546 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 444 Invalid, 6 Unknown, 0 Unchecked, 19.2s Time] [2022-11-03 02:15:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2022-11-03 02:15:39,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2610. [2022-11-03 02:15:39,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2610 states, 1630 states have (on average 1.3116564417177914) internal successors, (2138), 1658 states have internal predecessors, (2138), 764 states have call successors, (764), 219 states have call predecessors, (764), 215 states have return successors, (767), 747 states have call predecessors, (767), 758 states have call successors, (767) [2022-11-03 02:15:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2610 states and 3669 transitions. [2022-11-03 02:15:39,579 INFO L78 Accepts]: Start accepts. Automaton has 2610 states and 3669 transitions. Word has length 12 [2022-11-03 02:15:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:39,579 INFO L495 AbstractCegarLoop]: Abstraction has 2610 states and 3669 transitions. [2022-11-03 02:15:39,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:15:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 3669 transitions. [2022-11-03 02:15:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 02:15:39,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:39,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:39,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:15:39,581 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:15:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:39,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2135275933, now seen corresponding path program 1 times [2022-11-03 02:15:39,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:39,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307811535] [2022-11-03 02:15:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:39,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:15:40,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:15:40,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:15:40,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307811535] [2022-11-03 02:15:40,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307811535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:15:40,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:15:40,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:15:40,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139336614] [2022-11-03 02:15:40,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:15:40,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:15:40,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:15:40,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:15:40,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:15:40,485 INFO L87 Difference]: Start difference. First operand 2610 states and 3669 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:15:42,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:44,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:47,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:49,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:52,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:54,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:56,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:57,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:15:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:15:58,477 INFO L93 Difference]: Finished difference Result 2615 states and 3673 transitions. [2022-11-03 02:15:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:15:58,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-03 02:15:58,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:15:58,496 INFO L225 Difference]: With dead ends: 2615 [2022-11-03 02:15:58,497 INFO L226 Difference]: Without dead ends: 2607 [2022-11-03 02:15:58,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:15:58,501 INFO L413 NwaCegarLoop]: 1675 mSDtfsCounter, 1735 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:15:58,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 1960 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 5 Unknown, 0 Unchecked, 17.8s Time] [2022-11-03 02:15:58,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2607 states. [2022-11-03 02:15:58,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2607 to 2604. [2022-11-03 02:15:58,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2604 states, 1626 states have (on average 1.3111931119311193) internal successors, (2132), 1653 states have internal predecessors, (2132), 762 states have call successors, (762), 218 states have call predecessors, (762), 215 states have return successors, (767), 747 states have call predecessors, (767), 758 states have call successors, (767) [2022-11-03 02:15:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 3661 transitions. [2022-11-03 02:15:58,681 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 3661 transitions. Word has length 13 [2022-11-03 02:15:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:15:58,682 INFO L495 AbstractCegarLoop]: Abstraction has 2604 states and 3661 transitions. [2022-11-03 02:15:58,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:15:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3661 transitions. [2022-11-03 02:15:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 02:15:58,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:15:58,706 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:15:58,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:15:58,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:15:58,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:15:58,707 INFO L85 PathProgramCache]: Analyzing trace with hash -774609604, now seen corresponding path program 1 times [2022-11-03 02:15:58,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:15:58,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743070823] [2022-11-03 02:15:58,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:15:58,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:15:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 02:16:02,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:02,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743070823] [2022-11-03 02:16:02,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743070823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:02,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:02,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:16:02,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679300303] [2022-11-03 02:16:02,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:02,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:16:02,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:02,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:16:02,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:16:02,683 INFO L87 Difference]: Start difference. First operand 2604 states and 3661 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:04,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:16:07,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:16:12,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []