./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0 --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 ad536555636b28c8712c3c5d6c5a0e9b2263c8f80d84abafe69deecd86daf306 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 20:29:56,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:29:56,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:29:56,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:29:56,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:29:56,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:29:56,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:29:56,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:29:56,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:29:56,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:29:56,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:29:56,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:29:56,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:29:56,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:29:56,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:29:56,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:29:56,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:29:56,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:29:56,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:29:56,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:29:56,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:29:56,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:29:56,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:29:56,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:29:56,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:29:56,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:29:56,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:29:56,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:29:56,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:29:56,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:29:56,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:29:56,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:29:56,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:29:56,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:29:56,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:29:56,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:29:56,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:29:56,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:29:56,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:29:56,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:29:56,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:29:56,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 20:29:56,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:29:56,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:29:56,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:29:56,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:29:56,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:29:56,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:29:56,864 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:29:56,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:29:56,864 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:29:56,865 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:29:56,866 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:29:56,866 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:29:56,866 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:29:56,866 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:29:56,867 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:29:56,867 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:29:56,867 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:29:56,868 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:29:56,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:29:56,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:29:56,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:29:56,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:29:56,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:29:56,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:29:56,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:29:56,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:29:56,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:29:56,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:29:56,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:29:56,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:29:56,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:29:56,874 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:29:56,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:29:56,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:29:56,874 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:29:56,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:29:56,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:29:56,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:29:56,876 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_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad536555636b28c8712c3c5d6c5a0e9b2263c8f80d84abafe69deecd86daf306 [2022-11-16 20:29:57,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:29:57,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:29:57,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:29:57,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:29:57,196 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:29:57,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-16 20:29:57,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/data/25347826e/b656fb8d81df4772b4eb958a6fb54a00/FLAG21892272d [2022-11-16 20:29:58,506 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:29:58,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-16 20:29:58,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/data/25347826e/b656fb8d81df4772b4eb958a6fb54a00/FLAG21892272d [2022-11-16 20:29:58,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/data/25347826e/b656fb8d81df4772b4eb958a6fb54a00 [2022-11-16 20:29:58,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:29:58,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:29:58,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:29:58,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:29:58,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:29:58,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:29:58" (1/1) ... [2022-11-16 20:29:58,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ce81e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:58, skipping insertion in model container [2022-11-16 20:29:58,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:29:58" (1/1) ... [2022-11-16 20:29:58,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:29:58,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:30:06,209 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[826927,826940] [2022-11-16 20:30:06,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:30:06,442 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:30:07,434 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i[826927,826940] [2022-11-16 20:30:07,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:30:07,903 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:30:07,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07 WrapperNode [2022-11-16 20:30:07,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:30:07,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:30:07,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:30:07,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:30:07,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:08,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:08,763 INFO L138 Inliner]: procedures = 680, calls = 14257, calls flagged for inlining = 319, calls inlined = 270, statements flattened = 26495 [2022-11-16 20:30:08,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:30:08,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:30:08,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:30:08,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:30:08,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:08,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:08,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:08,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:09,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:09,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:09,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:09,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:10,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:30:10,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:30:10,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:30:10,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:30:10,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (1/1) ... [2022-11-16 20:30:10,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:30:10,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:30:10,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:30:10,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:30:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 20:30:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 20:30:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-16 20:30:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-16 20:30:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-16 20:30:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-16 20:30:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-16 20:30:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-16 20:30:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-16 20:30:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-16 20:30:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-16 20:30:10,348 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-16 20:30:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 20:30:10,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 20:30:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_slot_reset [2022-11-16 20:30:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_slot_reset [2022-11-16 20:30:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-16 20:30:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-16 20:30:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-16 20:30:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-16 20:30:10,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-16 20:30:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-16 20:30:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-16 20:30:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-16 20:30:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-16 20:30:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-16 20:30:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 20:30:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 20:30:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-16 20:30:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-16 20:30:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-16 20:30:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-16 20:30:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-16 20:30:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-16 20:30:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-16 20:30:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-16 20:30:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-16 20:30:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-16 20:30:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-16 20:30:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-16 20:30:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-16 20:30:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-16 20:30:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-16 20:30:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-16 20:30:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-16 20:30:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-16 20:30:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-16 20:30:10,355 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-16 20:30:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-16 20:30:10,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-16 20:30:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 20:30:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 20:30:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-16 20:30:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-16 20:30:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-16 20:30:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-16 20:30:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-16 20:30:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-16 20:30:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-16 20:30:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-16 20:30:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 20:30:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 20:30:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-16 20:30:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-16 20:30:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-16 20:30:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-16 20:30:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-16 20:30:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-16 20:30:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_fix_features [2022-11-16 20:30:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_fix_features [2022-11-16 20:30:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-16 20:30:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-16 20:30:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-16 20:30:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-16 20:30:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 20:30:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 20:30:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-16 20:30:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-16 20:30:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 20:30:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 20:30:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 20:30:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 20:30:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-16 20:30:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-16 20:30:10,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:30:10,375 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-16 20:30:10,375 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-16 20:30:10,375 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-16 20:30:10,375 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-16 20:30:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-16 20:30:10,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-16 20:30:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-16 20:30:10,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-16 20:30:10,376 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-16 20:30:10,376 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-16 20:30:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-16 20:30:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-16 20:30:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-16 20:30:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-16 20:30:10,377 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 20:30:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 20:30:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-16 20:30:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-16 20:30:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-16 20:30:10,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-16 20:30:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-16 20:30:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-16 20:30:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 20:30:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 20:30:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 20:30:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 20:30:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-16 20:30:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-16 20:30:10,380 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-16 20:30:10,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-16 20:30:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 20:30:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-16 20:30:10,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-16 20:30:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-16 20:30:10,381 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-16 20:30:10,381 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-16 20:30:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-16 20:30:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-16 20:30:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-16 20:30:10,382 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-16 20:30:10,382 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-16 20:30:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-16 20:30:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-16 20:30:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 20:30:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-16 20:30:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-16 20:30:10,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:30:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-16 20:30:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-16 20:30:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-16 20:30:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-16 20:30:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-16 20:30:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-16 20:30:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-16 20:30:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-16 20:30:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-16 20:30:10,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-16 20:30:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 20:30:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 20:30:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-16 20:30:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-16 20:30:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-16 20:30:10,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-16 20:30:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-16 20:30:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-16 20:30:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-16 20:30:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-16 20:30:10,387 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-16 20:30:10,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-16 20:30:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-16 20:30:10,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-16 20:30:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-16 20:30:10,388 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-16 20:30:10,388 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-16 20:30:10,388 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-16 20:30:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 20:30:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 20:30:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 20:30:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 20:30:10,389 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-16 20:30:10,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-16 20:30:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-16 20:30:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-16 20:30:10,390 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_stats [2022-11-16 20:30:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_stats [2022-11-16 20:30:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-16 20:30:10,396 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-16 20:30:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-16 20:30:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-16 20:30:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-16 20:30:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-16 20:30:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 20:30:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 20:30:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_frag_len [2022-11-16 20:30:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_frag_len [2022-11-16 20:30:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:30:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-16 20:30:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-16 20:30:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-16 20:30:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-16 20:30:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:30:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-16 20:30:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-16 20:30:10,399 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 20:30:10,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 20:30:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-16 20:30:10,400 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-16 20:30:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:30:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 20:30:10,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-16 20:30:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-16 20:30:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_change_mtu [2022-11-16 20:30:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_change_mtu [2022-11-16 20:30:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-16 20:30:10,401 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-16 20:30:10,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-16 20:30:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-16 20:30:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-16 20:30:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-16 20:30:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-16 20:30:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-16 20:30:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-16 20:30:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-16 20:30:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-16 20:30:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-16 20:30:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-16 20:30:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-16 20:30:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-16 20:30:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-16 20:30:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 20:30:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 20:30:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-16 20:30:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-16 20:30:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 20:30:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 20:30:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-16 20:30:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-16 20:30:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-16 20:30:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-16 20:30:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-16 20:30:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-16 20:30:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-16 20:30:10,406 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-16 20:30:10,406 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-16 20:30:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-16 20:30:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-16 20:30:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-16 20:30:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-16 20:30:10,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-16 20:30:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-16 20:30:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-16 20:30:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-16 20:30:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-16 20:30:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-16 20:30:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-16 20:30:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-16 20:30:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-16 20:30:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-16 20:30:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-16 20:30:10,409 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 20:30:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 20:30:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-16 20:30:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-16 20:30:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-16 20:30:10,410 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-16 20:30:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-16 20:30:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-16 20:30:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-16 20:30:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-16 20:30:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:30:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:30:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-16 20:30:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-16 20:30:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-16 20:30:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-16 20:30:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-16 20:30:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-16 20:30:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-16 20:30:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-16 20:30:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-16 20:30:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-16 20:30:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 20:30:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 20:30:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-16 20:30:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-16 20:30:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 20:30:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 20:30:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 20:30:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 20:30:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 20:30:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 20:30:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 20:30:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-16 20:30:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_phy_info_task [2022-11-16 20:30:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_phy_info_task [2022-11-16 20:30:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2022-11-16 20:30:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2022-11-16 20:30:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-16 20:30:10,416 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-16 20:30:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-16 20:30:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-16 20:30:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 20:30:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 20:30:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-16 20:30:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-16 20:30:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-16 20:30:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 20:30:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 20:30:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-16 20:30:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-16 20:30:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_alloc_frag [2022-11-16 20:30:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_alloc_frag [2022-11-16 20:30:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-16 20:30:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-16 20:30:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-16 20:30:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-16 20:30:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-16 20:30:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-16 20:30:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 20:30:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 20:30:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 20:30:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 20:30:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-16 20:30:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-16 20:30:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-16 20:30:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-16 20:30:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-16 20:30:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-16 20:30:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 20:30:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 20:30:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-16 20:30:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-16 20:30:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-16 20:30:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-16 20:30:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 20:30:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 20:30:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-16 20:30:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-16 20:30:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-16 20:30:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-16 20:30:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-16 20:30:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-16 20:30:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-16 20:30:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-16 20:30:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-16 20:30:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-16 20:30:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 20:30:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 20:30:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-16 20:30:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-16 20:30:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-16 20:30:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-16 20:30:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:30:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 20:30:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 20:30:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-16 20:30:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-16 20:30:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 20:30:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 20:30:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-16 20:30:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-16 20:30:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:30:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-16 20:30:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-16 20:30:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_task [2022-11-16 20:30:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_task [2022-11-16 20:30:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_features [2022-11-16 20:30:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_features [2022-11-16 20:30:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-16 20:30:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-16 20:30:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-16 20:30:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-16 20:30:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-16 20:30:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-16 20:30:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-16 20:30:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-16 20:30:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-16 20:30:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-16 20:30:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:30:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-16 20:30:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-16 20:30:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_watchdog [2022-11-16 20:30:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_watchdog [2022-11-16 20:30:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-16 20:30:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-16 20:30:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-16 20:30:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-16 20:30:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-16 20:30:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-16 20:30:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-16 20:30:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-16 20:30:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-16 20:30:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-16 20:30:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-16 20:30:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-16 20:30:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-16 20:30:10,433 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-16 20:30:10,433 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-16 20:30:10,434 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-16 20:30:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 20:30:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 20:30:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 20:30:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 20:30:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-16 20:30:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-16 20:30:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-16 20:30:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-16 20:30:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-16 20:30:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-16 20:30:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-16 20:30:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-16 20:30:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-16 20:30:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-16 20:30:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-16 20:30:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-16 20:30:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-16 20:30:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-16 20:30:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-16 20:30:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-16 20:30:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-16 20:30:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-16 20:30:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-16 20:30:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-16 20:30:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 20:30:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 20:30:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-16 20:30:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-16 20:30:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-16 20:30:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-16 20:30:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-16 20:30:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-16 20:30:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-16 20:30:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-16 20:30:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-16 20:30:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-16 20:30:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-16 20:30:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-16 20:30:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 20:30:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 20:30:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-16 20:30:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-16 20:30:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-16 20:30:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-16 20:30:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 20:30:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 20:30:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 20:30:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 20:30:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-16 20:30:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-16 20:30:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-16 20:30:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-16 20:30:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:30:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_82547_tx_fifo_stall_task [2022-11-16 20:30:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_82547_tx_fifo_stall_task [2022-11-16 20:30:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs___0 [2022-11-16 20:30:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs___0 [2022-11-16 20:30:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-16 20:30:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-16 20:30:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-16 20:30:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-16 20:30:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 20:30:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 20:30:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-16 20:30:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-16 20:30:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-16 20:30:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-16 20:30:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-16 20:30:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-16 20:30:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 20:30:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 20:30:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-16 20:30:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-16 20:30:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 20:30:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 20:30:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 20:30:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 20:30:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-16 20:30:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-16 20:30:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-16 20:30:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-16 20:30:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-16 20:30:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-16 20:30:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_error_detected [2022-11-16 20:30:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_error_detected [2022-11-16 20:30:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-16 20:30:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-16 20:30:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-16 20:30:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-16 20:30:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-16 20:30:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-16 20:30:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-16 20:30:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-16 20:30:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-16 20:30:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-16 20:30:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-16 20:30:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-16 20:30:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2022-11-16 20:30:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2022-11-16 20:30:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2022-11-16 20:30:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2022-11-16 20:30:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-16 20:30:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-16 20:30:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-16 20:30:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-16 20:30:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-16 20:30:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-16 20:30:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-16 20:30:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-16 20:30:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-16 20:30:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-16 20:30:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-16 20:30:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-16 20:30:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-16 20:30:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-16 20:30:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-16 20:30:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-16 20:30:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-16 20:30:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-16 20:30:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-16 20:30:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-16 20:30:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-16 20:30:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-16 20:30:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-16 20:30:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-16 20:30:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 20:30:10,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 20:30:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-16 20:30:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-16 20:30:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_ioctl [2022-11-16 20:30:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_ioctl [2022-11-16 20:30:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 20:30:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 20:30:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_mac [2022-11-16 20:30:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_mac [2022-11-16 20:30:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:30:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-16 20:30:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-16 20:30:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-16 20:30:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-16 20:30:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-16 20:30:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_frag [2022-11-16 20:30:10,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_frag [2022-11-16 20:30:12,974 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:30:12,983 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:30:14,286 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 20:31:12,781 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:31:29,169 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:31:29,169 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 20:31:29,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:31:29 BoogieIcfgContainer [2022-11-16 20:31:29,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:31:29,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:31:29,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:31:29,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:31:29,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:29:58" (1/3) ... [2022-11-16 20:31:29,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b873415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:31:29, skipping insertion in model container [2022-11-16 20:31:29,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:30:07" (2/3) ... [2022-11-16 20:31:29,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b873415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:31:29, skipping insertion in model container [2022-11-16 20:31:29,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:31:29" (3/3) ... [2022-11-16 20:31:29,189 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--e1000--e1000.ko-entry_point.cil.out.i [2022-11-16 20:31:29,208 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:31:29,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:31:29,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:31:29,458 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;@53ede8dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:31:29,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:31:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 6446 states, 4098 states have (on average 1.3387018057589068) internal successors, (5486), 4195 states have internal predecessors, (5486), 2095 states have call successors, (2095), 254 states have call predecessors, (2095), 253 states have return successors, (2085), 2079 states have call predecessors, (2085), 2085 states have call successors, (2085) [2022-11-16 20:31:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-16 20:31:29,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:31:29,517 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:31:29,518 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:31:29,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:31:29,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1336421389, now seen corresponding path program 1 times [2022-11-16 20:31:29,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:31:29,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875666585] [2022-11-16 20:31:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:31:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:31:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:31:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-11-16 20:31:31,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:31:31,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875666585] [2022-11-16 20:31:31,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875666585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:31:31,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:31:31,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:31:31,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274048428] [2022-11-16 20:31:31,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:31:32,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:31:32,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:31:32,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:31:32,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:31:32,055 INFO L87 Difference]: Start difference. First operand has 6446 states, 4098 states have (on average 1.3387018057589068) internal successors, (5486), 4195 states have internal predecessors, (5486), 2095 states have call successors, (2095), 254 states have call predecessors, (2095), 253 states have return successors, (2085), 2079 states have call predecessors, (2085), 2085 states have call successors, (2085) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-16 20:31:34,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:39,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:44,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:51,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:31:55,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:31:55,648 INFO L93 Difference]: Finished difference Result 19067 states and 28690 transitions. [2022-11-16 20:31:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:31:55,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2022-11-16 20:31:55,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:31:55,811 INFO L225 Difference]: With dead ends: 19067 [2022-11-16 20:31:55,812 INFO L226 Difference]: Without dead ends: 12601 [2022-11-16 20:31:55,887 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 [2022-11-16 20:31:55,891 INFO L413 NwaCegarLoop]: 10989 mSDtfsCounter, 9285 mSDsluCounter, 8837 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9290 SdHoareTripleChecker+Valid, 19826 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-16 20:31:55,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9290 Valid, 19826 Invalid, 1635 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1628 Invalid, 4 Unknown, 0 Unchecked, 22.7s Time] [2022-11-16 20:31:55,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12601 states. [2022-11-16 20:31:57,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12601 to 12563. [2022-11-16 20:31:57,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12563 states, 7970 states have (on average 1.33237139272271) internal successors, (10619), 8138 states have internal predecessors, (10619), 4094 states have call successors, (4094), 500 states have call predecessors, (4094), 498 states have return successors, (4095), 4078 states have call predecessors, (4095), 4093 states have call successors, (4095) [2022-11-16 20:31:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12563 states to 12563 states and 18808 transitions. [2022-11-16 20:31:57,370 INFO L78 Accepts]: Start accepts. Automaton has 12563 states and 18808 transitions. Word has length 156 [2022-11-16 20:31:57,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:31:57,374 INFO L495 AbstractCegarLoop]: Abstraction has 12563 states and 18808 transitions. [2022-11-16 20:31:57,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-16 20:31:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 12563 states and 18808 transitions. [2022-11-16 20:31:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-16 20:31:57,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:31:57,398 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 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, 1] [2022-11-16 20:31:57,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:31:57,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:31:57,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:31:57,400 INFO L85 PathProgramCache]: Analyzing trace with hash -124640835, now seen corresponding path program 1 times [2022-11-16 20:31:57,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:31:57,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567920419] [2022-11-16 20:31:57,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:31:57,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:31:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:31:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-16 20:31:59,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:31:59,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567920419] [2022-11-16 20:31:59,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567920419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:31:59,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:31:59,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:31:59,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617707144] [2022-11-16 20:31:59,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:31:59,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:31:59,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:31:59,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:31:59,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:31:59,048 INFO L87 Difference]: Start difference. First operand 12563 states and 18808 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 20:32:01,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:04,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:06,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:10,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:13,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:20,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:24,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:32:24,234 INFO L93 Difference]: Finished difference Result 24928 states and 37311 transitions. [2022-11-16 20:32:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:32:24,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2022-11-16 20:32:24,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:32:24,484 INFO L225 Difference]: With dead ends: 24928 [2022-11-16 20:32:24,484 INFO L226 Difference]: Without dead ends: 24923 [2022-11-16 20:32:24,519 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 [2022-11-16 20:32:24,520 INFO L413 NwaCegarLoop]: 10942 mSDtfsCounter, 9279 mSDsluCounter, 8756 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9284 SdHoareTripleChecker+Valid, 19698 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-11-16 20:32:24,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9284 Valid, 19698 Invalid, 1618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1613 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2022-11-16 20:32:24,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24923 states. [2022-11-16 20:32:26,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24923 to 24883. [2022-11-16 20:32:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24883 states, 15767 states have (on average 1.331832307985032) internal successors, (20999), 16107 states have internal predecessors, (20999), 8125 states have call successors, (8125), 994 states have call predecessors, (8125), 990 states have return successors, (8130), 8089 states have call predecessors, (8130), 8124 states have call successors, (8130) [2022-11-16 20:32:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24883 states to 24883 states and 37254 transitions. [2022-11-16 20:32:26,719 INFO L78 Accepts]: Start accepts. Automaton has 24883 states and 37254 transitions. Word has length 170 [2022-11-16 20:32:26,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:32:26,720 INFO L495 AbstractCegarLoop]: Abstraction has 24883 states and 37254 transitions. [2022-11-16 20:32:26,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 20:32:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24883 states and 37254 transitions. [2022-11-16 20:32:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-16 20:32:26,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:32:26,800 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2022-11-16 20:32:26,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:32:26,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:32:26,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:32:26,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1166639764, now seen corresponding path program 1 times [2022-11-16 20:32:26,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:32:26,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076208786] [2022-11-16 20:32:26,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:32:26,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:32:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:32:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-16 20:32:28,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:32:28,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076208786] [2022-11-16 20:32:28,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076208786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:32:28,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:32:28,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:32:28,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954266268] [2022-11-16 20:32:28,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:32:28,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:32:28,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:32:28,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:32:28,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:32:28,456 INFO L87 Difference]: Start difference. First operand 24883 states and 37254 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-16 20:32:31,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:34,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:36,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:38,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:41,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:44,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:46,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:32:58,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:33:00,581 INFO L93 Difference]: Finished difference Result 65898 states and 98423 transitions. [2022-11-16 20:33:00,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:33:00,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 332 [2022-11-16 20:33:00,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:33:00,855 INFO L225 Difference]: With dead ends: 65898 [2022-11-16 20:33:00,855 INFO L226 Difference]: Without dead ends: 41044 [2022-11-16 20:33:01,028 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 [2022-11-16 20:33:01,029 INFO L413 NwaCegarLoop]: 11350 mSDtfsCounter, 7930 mSDsluCounter, 8642 mSDsCounter, 0 mSdLazyCounter, 1827 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7932 SdHoareTripleChecker+Valid, 19992 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1827 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:33:01,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7932 Valid, 19992 Invalid, 1839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1827 Invalid, 6 Unknown, 0 Unchecked, 30.5s Time] [2022-11-16 20:33:01,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41044 states. [2022-11-16 20:33:04,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41044 to 41021. [2022-11-16 20:33:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41021 states, 25974 states have (on average 1.3264418264418265) internal successors, (34453), 26484 states have internal predecessors, (34453), 13362 states have call successors, (13362), 1693 states have call predecessors, (13362), 1684 states have return successors, (13371), 13315 states have call predecessors, (13371), 13361 states have call successors, (13371) [2022-11-16 20:33:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41021 states to 41021 states and 61186 transitions. [2022-11-16 20:33:04,414 INFO L78 Accepts]: Start accepts. Automaton has 41021 states and 61186 transitions. Word has length 332 [2022-11-16 20:33:04,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:33:04,416 INFO L495 AbstractCegarLoop]: Abstraction has 41021 states and 61186 transitions. [2022-11-16 20:33:04,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-16 20:33:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 41021 states and 61186 transitions. [2022-11-16 20:33:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-11-16 20:33:04,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:33:04,575 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:33:04,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:33:04,576 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:33:04,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:33:04,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1378075700, now seen corresponding path program 1 times [2022-11-16 20:33:04,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:33:04,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963568665] [2022-11-16 20:33:04,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:33:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:33:06,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:33:06,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963568665] [2022-11-16 20:33:06,177 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 20:33:06,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548483258] [2022-11-16 20:33:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:06,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:33:06,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:33:06,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:33:06,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:33:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:33:13,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 19899 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 20:33:13,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:33:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-11-16 20:33:13,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:33:13,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548483258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:33:13,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:33:13,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:33:13,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856554770] [2022-11-16 20:33:13,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:33:13,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:33:13,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:33:13,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:33:13,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:33:13,338 INFO L87 Difference]: Start difference. First operand 41021 states and 61186 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2022-11-16 20:33:15,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:20,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:24,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:26,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:28,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:35,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:36,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:33:36,296 INFO L93 Difference]: Finished difference Result 82001 states and 122626 transitions. [2022-11-16 20:33:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:33:36,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 532 [2022-11-16 20:33:36,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:33:36,715 INFO L225 Difference]: With dead ends: 82001 [2022-11-16 20:33:36,715 INFO L226 Difference]: Without dead ends: 41021 [2022-11-16 20:33:36,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:33:36,957 INFO L413 NwaCegarLoop]: 8796 mSDtfsCounter, 43 mSDsluCounter, 8739 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 17535 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:33:36,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 17535 Invalid, 1593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1586 Invalid, 5 Unknown, 0 Unchecked, 21.2s Time] [2022-11-16 20:33:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41021 states. [2022-11-16 20:33:39,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41021 to 41021. [2022-11-16 20:33:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41021 states, 25974 states have (on average 1.3261338261338262) internal successors, (34445), 26484 states have internal predecessors, (34445), 13362 states have call successors, (13362), 1693 states have call predecessors, (13362), 1684 states have return successors, (13371), 13315 states have call predecessors, (13371), 13361 states have call successors, (13371) [2022-11-16 20:33:40,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41021 states to 41021 states and 61178 transitions. [2022-11-16 20:33:40,188 INFO L78 Accepts]: Start accepts. Automaton has 41021 states and 61178 transitions. Word has length 532 [2022-11-16 20:33:40,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:33:40,189 INFO L495 AbstractCegarLoop]: Abstraction has 41021 states and 61178 transitions. [2022-11-16 20:33:40,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2022-11-16 20:33:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 41021 states and 61178 transitions. [2022-11-16 20:33:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-11-16 20:33:40,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:33:40,309 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:33:40,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 20:33:40,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:33:40,523 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:33:40,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:33:40,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2079740225, now seen corresponding path program 1 times [2022-11-16 20:33:40,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:33:40,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220289710] [2022-11-16 20:33:40,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:40,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:33:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:33:42,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:33:42,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220289710] [2022-11-16 20:33:42,331 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 20:33:42,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107622568] [2022-11-16 20:33:42,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:42,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:33:42,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:33:42,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:33:42,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:33:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:33:49,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 19916 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 20:33:49,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:33:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2022-11-16 20:33:50,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:33:50,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107622568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:33:50,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:33:50,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:33:50,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235650685] [2022-11-16 20:33:50,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:33:50,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:33:50,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:33:50,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:33:50,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:33:50,964 INFO L87 Difference]: Start difference. First operand 41021 states and 61178 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 3 states have call successors, (83), 3 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-16 20:33:53,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:33:56,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:00,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:01,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:03,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:07,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:12,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:18,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:34:18,364 INFO L93 Difference]: Finished difference Result 61577 states and 91838 transitions. [2022-11-16 20:34:18,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:34:18,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 3 states have call successors, (83), 3 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 535 [2022-11-16 20:34:18,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:34:18,851 INFO L225 Difference]: With dead ends: 61577 [2022-11-16 20:34:18,851 INFO L226 Difference]: Without dead ends: 61572 [2022-11-16 20:34:18,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:34:18,889 INFO L413 NwaCegarLoop]: 10917 mSDtfsCounter, 9140 mSDsluCounter, 8787 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9142 SdHoareTripleChecker+Valid, 19704 SdHoareTripleChecker+Invalid, 1617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-16 20:34:18,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9142 Valid, 19704 Invalid, 1617 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1611 Invalid, 4 Unknown, 0 Unchecked, 25.7s Time] [2022-11-16 20:34:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61572 states. [2022-11-16 20:34:22,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61572 to 61570. [2022-11-16 20:34:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61570 states, 39000 states have (on average 1.3265384615384614) internal successors, (51735), 39765 states have internal predecessors, (51735), 20040 states have call successors, (20040), 2541 states have call predecessors, (20040), 2529 states have return successors, (20055), 19971 states have call predecessors, (20055), 20039 states have call successors, (20055) [2022-11-16 20:34:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61570 states to 61570 states and 91830 transitions. [2022-11-16 20:34:23,809 INFO L78 Accepts]: Start accepts. Automaton has 61570 states and 91830 transitions. Word has length 535 [2022-11-16 20:34:23,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:34:23,811 INFO L495 AbstractCegarLoop]: Abstraction has 61570 states and 91830 transitions. [2022-11-16 20:34:23,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 3 states have call successors, (83), 3 states have call predecessors, (83), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-16 20:34:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 61570 states and 91830 transitions. [2022-11-16 20:34:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2022-11-16 20:34:24,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:34:24,013 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:34:24,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:34:24,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:24,227 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:34:24,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:34:24,228 INFO L85 PathProgramCache]: Analyzing trace with hash 487634904, now seen corresponding path program 1 times [2022-11-16 20:34:24,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:34:24,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891264866] [2022-11-16 20:34:24,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:24,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:34:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:25,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:34:25,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891264866] [2022-11-16 20:34:25,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 20:34:25,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329974595] [2022-11-16 20:34:25,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:34:25,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:34:25,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:34:25,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:34:25,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4375c00-8d30-41b8-a16d-a48b7190ec27/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:34:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:34:32,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 20063 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 20:34:32,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:34:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-11-16 20:34:32,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:34:32,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329974595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:34:32,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:34:32,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:34:32,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765119525] [2022-11-16 20:34:32,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:34:32,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:34:32,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:34:32,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:34:32,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:34:32,858 INFO L87 Difference]: Start difference. First operand 61570 states and 91830 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2022-11-16 20:34:35,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:39,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:44,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:46,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:34:58,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:35:01,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:35:01,034 INFO L93 Difference]: Finished difference Result 170165 states and 253961 transitions. [2022-11-16 20:35:01,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:35:01,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) Word has length 545 [2022-11-16 20:35:01,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:35:02,197 INFO L225 Difference]: With dead ends: 170165 [2022-11-16 20:35:02,197 INFO L226 Difference]: Without dead ends: 108636 [2022-11-16 20:35:02,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:35:02,549 INFO L413 NwaCegarLoop]: 12308 mSDtfsCounter, 8576 mSDsluCounter, 8758 mSDsCounter, 0 mSdLazyCounter, 1887 mSolverCounterSat, 17 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8580 SdHoareTripleChecker+Valid, 21066 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1887 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-16 20:35:02,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8580 Valid, 21066 Invalid, 1908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1887 Invalid, 4 Unknown, 0 Unchecked, 23.9s Time] [2022-11-16 20:35:02,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108636 states. [2022-11-16 20:35:09,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108636 to 108619. [2022-11-16 20:35:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108619 states, 68874 states have (on average 1.3259285071289602) internal successors, (91322), 70215 states have internal predecessors, (91322), 35340 states have call successors, (35340), 4425 states have call predecessors, (35340), 4404 states have return successors, (35373), 35226 states have call predecessors, (35373), 35339 states have call successors, (35373)