./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW --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 f085b218468a15bc92b425fbdda1f8244da2d1b865c2b5565d1c8416e2552f72 --- 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-4e7fbc6 [2022-11-23 15:02:26,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:02:26,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:02:26,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:02:26,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:02:26,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:02:26,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:02:26,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:02:26,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:02:26,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:02:26,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:02:26,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:02:26,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:02:26,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:02:26,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:02:26,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:02:26,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:02:26,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:02:26,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:02:26,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:02:26,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:02:26,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:02:26,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:02:26,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:02:26,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:02:26,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:02:26,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:02:26,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:02:26,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:02:26,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:02:26,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:02:26,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:02:26,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:02:26,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:02:26,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:02:26,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:02:26,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:02:26,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:02:26,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:02:26,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:02:26,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:02:26,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:02:26,675 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:02:26,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:02:26,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:02:26,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:02:26,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:02:26,678 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:02:26,678 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:02:26,678 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:02:26,679 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:02:26,679 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:02:26,680 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:02:26,681 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:02:26,681 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:02:26,681 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:02:26,681 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:02:26,682 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:02:26,682 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:02:26,682 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:02:26,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:02:26,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:02:26,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:02:26,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:02:26,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:02:26,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:02:26,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:02:26,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:02:26,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:02:26,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:02:26,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:02:26,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:02:26,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:02:26,687 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:02:26,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:02:26,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:02:26,688 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:02:26,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:02:26,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:02:26,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:02:26,689 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_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f085b218468a15bc92b425fbdda1f8244da2d1b865c2b5565d1c8416e2552f72 [2022-11-23 15:02:27,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:02:27,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:02:27,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:02:27,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:02:27,072 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:02:27,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i [2022-11-23 15:02:30,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:02:31,700 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:02:31,701 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i [2022-11-23 15:02:31,800 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/data/80e401152/116d254510ff40bdb04e0b414be461b5/FLAGaafc5e538 [2022-11-23 15:02:31,824 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/data/80e401152/116d254510ff40bdb04e0b414be461b5 [2022-11-23 15:02:31,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:02:31,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:02:31,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:02:31,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:02:31,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:02:31,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:31" (1/1) ... [2022-11-23 15:02:31,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbcf26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:31, skipping insertion in model container [2022-11-23 15:02:31,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:31" (1/1) ... [2022-11-23 15:02:31,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:02:32,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:02:40,731 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i[783899,783912] [2022-11-23 15:02:41,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:02:41,204 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:02:42,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i[783899,783912] [2022-11-23 15:02:42,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:02:42,925 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:02:42,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42 WrapperNode [2022-11-23 15:02:42,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:02:42,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:02:42,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:02:42,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:02:42,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:43,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:43,912 INFO L138 Inliner]: procedures = 727, calls = 7661, calls flagged for inlining = 291, calls inlined = 285, statements flattened = 20495 [2022-11-23 15:02:43,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:02:43,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:02:43,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:02:43,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:02:43,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:43,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:44,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:44,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:44,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:44,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:44,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:44,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:45,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:02:45,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:02:45,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:02:45,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:02:45,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (1/1) ... [2022-11-23 15:02:45,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:02:45,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:02:45,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:02:45,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:02:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2022-11-23 15:02:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2022-11-23 15:02:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2022-11-23 15:02:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2022-11-23 15:02:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2022-11-23 15:02:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2022-11-23 15:02:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-23 15:02:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-23 15:02:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-23 15:02:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-23 15:02:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2022-11-23 15:02:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2022-11-23 15:02:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2022-11-23 15:02:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2022-11-23 15:02:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:02:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:02:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 15:02:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 15:02:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2022-11-23 15:02:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2022-11-23 15:02:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2022-11-23 15:02:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2022-11-23 15:02:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-23 15:02:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-23 15:02:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-23 15:02:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-23 15:02:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2022-11-23 15:02:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2022-11-23 15:02:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:02:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:02:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2022-11-23 15:02:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2022-11-23 15:02:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-23 15:02:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-23 15:02:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2022-11-23 15:02:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2022-11-23 15:02:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:02:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:02:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2022-11-23 15:02:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2022-11-23 15:02:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2022-11-23 15:02:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2022-11-23 15:02:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_120 [2022-11-23 15:02:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_120 [2022-11-23 15:02:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2022-11-23 15:02:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2022-11-23 15:02:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2022-11-23 15:02:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2022-11-23 15:02:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-23 15:02:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-23 15:02:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_5 [2022-11-23 15:02:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_5 [2022-11-23 15:02:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:02:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:02:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 15:02:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 15:02:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:02:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:02:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-23 15:02:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-23 15:02:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-23 15:02:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-23 15:02:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vlan_rx_add_vid [2022-11-23 15:02:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vlan_rx_add_vid [2022-11-23 15:02:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2022-11-23 15:02:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2022-11-23 15:02:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2022-11-23 15:02:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2022-11-23 15:02:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2022-11-23 15:02:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2022-11-23 15:02:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2022-11-23 15:02:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2022-11-23 15:02:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:02:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:02:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2022-11-23 15:02:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2022-11-23 15:02:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2022-11-23 15:02:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2022-11-23 15:02:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2022-11-23 15:02:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2022-11-23 15:02:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2022-11-23 15:02:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2022-11-23 15:02:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2022-11-23 15:02:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2022-11-23 15:02:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2022-11-23 15:02:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2022-11-23 15:02:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2022-11-23 15:02:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2022-11-23 15:02:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2022-11-23 15:02:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2022-11-23 15:02:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:02:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:02:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2022-11-23 15:02:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2022-11-23 15:02:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:02:45,349 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:02:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 15:02:45,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 15:02:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:02:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:02:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 15:02:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 15:02:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2022-11-23 15:02:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2022-11-23 15:02:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:02:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 15:02:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 15:02:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2022-11-23 15:02:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2022-11-23 15:02:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2022-11-23 15:02:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2022-11-23 15:02:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-23 15:02:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-23 15:02:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-23 15:02:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-23 15:02:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:02:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:02:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_slot_reset [2022-11-23 15:02:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_slot_reset [2022-11-23 15:02:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2022-11-23 15:02:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2022-11-23 15:02:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2022-11-23 15:02:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2022-11-23 15:02:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:02:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:02:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:02:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:02:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2022-11-23 15:02:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2022-11-23 15:02:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:02:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2022-11-23 15:02:45,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2022-11-23 15:02:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2022-11-23 15:02:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2022-11-23 15:02:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2022-11-23 15:02:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2022-11-23 15:02:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:02:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:02:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:02:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:02:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2022-11-23 15:02:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2022-11-23 15:02:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2022-11-23 15:02:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2022-11-23 15:02:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:02:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2022-11-23 15:02:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2022-11-23 15:02:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2022-11-23 15:02:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2022-11-23 15:02:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:02:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2022-11-23 15:02:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2022-11-23 15:02:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-11-23 15:02:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-11-23 15:02:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:02:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:02:45,371 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ioctl [2022-11-23 15:02:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ioctl [2022-11-23 15:02:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-23 15:02:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-23 15:02:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:02:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:02:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_11 [2022-11-23 15:02:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_11 [2022-11-23 15:02:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2022-11-23 15:02:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2022-11-23 15:02:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2022-11-23 15:02:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2022-11-23 15:02:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2022-11-23 15:02:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2022-11-23 15:02:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2022-11-23 15:02:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2022-11-23 15:02:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2022-11-23 15:02:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2022-11-23 15:02:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-23 15:02:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-23 15:02:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 15:02:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 15:02:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2022-11-23 15:02:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2022-11-23 15:02:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2022-11-23 15:02:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2022-11-23 15:02:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-23 15:02:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-23 15:02:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2022-11-23 15:02:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2022-11-23 15:02:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2022-11-23 15:02:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2022-11-23 15:02:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2022-11-23 15:02:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2022-11-23 15:02:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:02:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:02:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:02:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:02:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2022-11-23 15:02:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2022-11-23 15:02:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2022-11-23 15:02:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2022-11-23 15:02:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2022-11-23 15:02:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2022-11-23 15:02:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-23 15:02:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-23 15:02:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 15:02:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 15:02:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2022-11-23 15:02:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2022-11-23 15:02:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2022-11-23 15:02:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2022-11-23 15:02:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2022-11-23 15:02:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2022-11-23 15:02:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:02:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-11-23 15:02:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-11-23 15:02:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_get_stats64 [2022-11-23 15:02:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_get_stats64 [2022-11-23 15:02:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:02:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2022-11-23 15:02:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2022-11-23 15:02:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 15:02:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 15:02:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-11-23 15:02:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-11-23 15:02:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2022-11-23 15:02:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2022-11-23 15:02:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:02:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:02:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:02:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:02:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:02:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:02:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2022-11-23 15:02:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2022-11-23 15:02:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 15:02:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 15:02:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2022-11-23 15:02:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2022-11-23 15:02:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_change_mtu [2022-11-23 15:02:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_change_mtu [2022-11-23 15:02:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2022-11-23 15:02:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2022-11-23 15:02:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2022-11-23 15:02:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2022-11-23 15:02:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:02:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:02:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:02:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:02:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-23 15:02:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-23 15:02:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2022-11-23 15:02:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2022-11-23 15:02:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2022-11-23 15:02:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2022-11-23 15:02:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2022-11-23 15:02:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2022-11-23 15:02:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2022-11-23 15:02:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2022-11-23 15:02:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2022-11-23 15:02:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2022-11-23 15:02:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2022-11-23 15:02:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2022-11-23 15:02:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2022-11-23 15:02:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2022-11-23 15:02:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 15:02:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 15:02:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-23 15:02:45,396 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-23 15:02:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2022-11-23 15:02:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2022-11-23 15:02:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fix_features [2022-11-23 15:02:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fix_features [2022-11-23 15:02:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2022-11-23 15:02:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2022-11-23 15:02:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:02:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:02:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2022-11-23 15:02:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2022-11-23 15:02:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 15:02:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 15:02:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2022-11-23 15:02:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2022-11-23 15:02:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2022-11-23 15:02:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2022-11-23 15:02:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2022-11-23 15:02:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2022-11-23 15:02:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 15:02:45,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 15:02:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vlan_rx_kill_vid [2022-11-23 15:02:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vlan_rx_kill_vid [2022-11-23 15:02:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2022-11-23 15:02:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2022-11-23 15:02:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2022-11-23 15:02:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2022-11-23 15:02:45,400 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:02:45,400 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:02:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:02:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:02:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2022-11-23 15:02:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2022-11-23 15:02:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2022-11-23 15:02:45,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2022-11-23 15:02:45,401 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2022-11-23 15:02:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2022-11-23 15:02:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2022-11-23 15:02:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2022-11-23 15:02:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:02:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:02:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-23 15:02:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-23 15:02:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2022-11-23 15:02:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2022-11-23 15:02:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2022-11-23 15:02:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2022-11-23 15:02:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2022-11-23 15:02:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2022-11-23 15:02:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:02:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:02:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2022-11-23 15:02:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2022-11-23 15:02:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2022-11-23 15:02:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2022-11-23 15:02:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:02:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:02:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:02:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:02:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:02:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:02:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2022-11-23 15:02:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2022-11-23 15:02:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 15:02:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 15:02:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2022-11-23 15:02:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2022-11-23 15:02:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 15:02:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 15:02:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:02:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:02:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-23 15:02:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-23 15:02:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2022-11-23 15:02:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2022-11-23 15:02:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 15:02:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2022-11-23 15:02:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2022-11-23 15:02:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 15:02:45,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 15:02:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2022-11-23 15:02:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2022-11-23 15:02:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-11-23 15:02:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-11-23 15:02:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2022-11-23 15:02:45,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2022-11-23 15:02:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2022-11-23 15:02:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2022-11-23 15:02:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2022-11-23 15:02:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2022-11-23 15:02:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:02:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:02:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-23 15:02:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-23 15:02:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 15:02:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 15:02:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 15:02:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 15:02:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-23 15:02:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-23 15:02:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:02:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:02:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_error_detected [2022-11-23 15:02:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_error_detected [2022-11-23 15:02:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-23 15:02:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-23 15:02:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:02:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:02:45,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-23 15:02:45,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-23 15:02:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2022-11-23 15:02:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2022-11-23 15:02:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2022-11-23 15:02:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2022-11-23 15:02:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2022-11-23 15:02:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2022-11-23 15:02:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2022-11-23 15:02:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2022-11-23 15:02:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 15:02:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 15:02:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2022-11-23 15:02:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2022-11-23 15:02:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:02:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:02:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-23 15:02:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-23 15:02:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:02:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2022-11-23 15:02:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2022-11-23 15:02:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:02:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:02:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2022-11-23 15:02:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2022-11-23 15:02:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 15:02:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 15:02:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:02:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:02:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:02:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:02:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:02:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2022-11-23 15:02:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2022-11-23 15:02:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2022-11-23 15:02:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2022-11-23 15:02:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2022-11-23 15:02:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2022-11-23 15:02:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_5 [2022-11-23 15:02:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_5 [2022-11-23 15:02:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2022-11-23 15:02:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2022-11-23 15:02:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2022-11-23 15:02:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2022-11-23 15:02:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:02:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2022-11-23 15:02:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2022-11-23 15:02:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2022-11-23 15:02:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2022-11-23 15:02:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:02:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:02:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-23 15:02:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-23 15:02:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 15:02:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 15:02:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 15:02:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 15:02:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-23 15:02:45,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-23 15:02:45,420 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:02:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:02:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2022-11-23 15:02:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2022-11-23 15:02:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2022-11-23 15:02:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2022-11-23 15:02:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2022-11-23 15:02:45,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2022-11-23 15:02:45,421 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2022-11-23 15:02:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2022-11-23 15:02:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2022-11-23 15:02:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2022-11-23 15:02:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2022-11-23 15:02:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2022-11-23 15:02:45,422 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2022-11-23 15:02:45,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2022-11-23 15:02:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2022-11-23 15:02:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2022-11-23 15:02:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 15:02:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 15:02:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2022-11-23 15:02:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2022-11-23 15:02:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 15:02:45,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 15:02:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2022-11-23 15:02:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2022-11-23 15:02:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2022-11-23 15:02:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2022-11-23 15:02:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-11-23 15:02:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-11-23 15:02:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:02:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:02:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:02:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:02:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 15:02:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 15:02:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2022-11-23 15:02:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2022-11-23 15:02:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2022-11-23 15:02:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2022-11-23 15:02:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-23 15:02:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-23 15:02:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2022-11-23 15:02:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2022-11-23 15:02:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-23 15:02:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-23 15:02:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:02:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:02:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2022-11-23 15:02:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2022-11-23 15:02:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2022-11-23 15:02:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2022-11-23 15:02:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:02:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:02:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_features [2022-11-23 15:02:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_features [2022-11-23 15:02:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2022-11-23 15:02:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2022-11-23 15:02:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:02:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2022-11-23 15:02:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2022-11-23 15:02:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_3 [2022-11-23 15:02:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_3 [2022-11-23 15:02:45,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:02:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:02:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2022-11-23 15:02:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2022-11-23 15:02:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2022-11-23 15:02:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2022-11-23 15:02:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-23 15:02:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-23 15:02:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:02:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:02:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-23 15:02:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-23 15:02:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 15:02:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 15:02:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2022-11-23 15:02:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2022-11-23 15:02:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 15:02:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 15:02:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-23 15:02:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-23 15:02:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2022-11-23 15:02:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2022-11-23 15:02:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2022-11-23 15:02:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2022-11-23 15:02:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2022-11-23 15:02:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2022-11-23 15:02:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 15:02:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 15:02:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2022-11-23 15:02:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2022-11-23 15:02:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2022-11-23 15:02:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2022-11-23 15:02:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-11-23 15:02:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-11-23 15:02:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 15:02:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 15:02:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-23 15:02:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-23 15:02:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-23 15:02:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-23 15:02:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 15:02:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 15:02:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset [2022-11-23 15:02:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset [2022-11-23 15:02:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2022-11-23 15:02:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2022-11-23 15:02:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-23 15:02:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-23 15:02:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2022-11-23 15:02:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2022-11-23 15:02:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2022-11-23 15:02:45,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2022-11-23 15:02:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-23 15:02:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-23 15:02:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2022-11-23 15:02:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2022-11-23 15:02:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:02:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:02:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2022-11-23 15:02:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2022-11-23 15:02:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-11-23 15:02:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-11-23 15:02:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2022-11-23 15:02:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2022-11-23 15:02:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:02:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:02:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:02:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:02:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:02:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:02:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2022-11-23 15:02:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2022-11-23 15:02:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2022-11-23 15:02:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2022-11-23 15:02:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2022-11-23 15:02:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2022-11-23 15:02:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2022-11-23 15:02:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2022-11-23 15:02:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:02:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2022-11-23 15:02:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2022-11-23 15:02:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-23 15:02:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-23 15:02:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 15:02:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 15:02:48,437 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:02:48,449 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:02:48,954 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:08:53,721 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:09:01,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:09:01,981 INFO L300 CfgBuilder]: Removed 243 assume(true) statements. [2022-11-23 15:09:01,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:01 BoogieIcfgContainer [2022-11-23 15:09:01,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:09:01,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:09:01,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:09:01,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:09:01,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:02:31" (1/3) ... [2022-11-23 15:09:01,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf6afef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:01, skipping insertion in model container [2022-11-23 15:09:01,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:42" (2/3) ... [2022-11-23 15:09:01,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf6afef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:01, skipping insertion in model container [2022-11-23 15:09:01,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:01" (3/3) ... [2022-11-23 15:09:01,998 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i [2022-11-23 15:09:02,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:09:02,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:09:02,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:09:02,166 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;@1ea6d18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:09:02,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:09:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 4865 states, 3220 states have (on average 1.4040372670807453) internal successors, (4521), 3310 states have internal predecessors, (4521), 1365 states have call successors, (1365), 281 states have call predecessors, (1365), 280 states have return successors, (1349), 1333 states have call predecessors, (1349), 1349 states have call successors, (1349) [2022-11-23 15:09:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-23 15:09:02,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:02,218 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:02,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:09:02,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2047133327, now seen corresponding path program 1 times [2022-11-23 15:09:02,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:02,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271609461] [2022-11-23 15:09:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-23 15:09:04,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:04,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271609461] [2022-11-23 15:09:04,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271609461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:04,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:04,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:09:04,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478109902] [2022-11-23 15:09:04,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:04,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:09:04,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:04,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:09:04,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:09:04,799 INFO L87 Difference]: Start difference. First operand has 4865 states, 3220 states have (on average 1.4040372670807453) internal successors, (4521), 3310 states have internal predecessors, (4521), 1365 states have call successors, (1365), 281 states have call predecessors, (1365), 280 states have return successors, (1349), 1333 states have call predecessors, (1349), 1349 states have call successors, (1349) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:09:07,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:11,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:13,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:19,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:09:23,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:26,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:28,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:30,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:33,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:35,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:42,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:45,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:47,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:48,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:51,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:51,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:51,115 INFO L93 Difference]: Finished difference Result 13904 states and 20991 transitions. [2022-11-23 15:09:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:09:51,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 193 [2022-11-23 15:09:51,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:51,215 INFO L225 Difference]: With dead ends: 13904 [2022-11-23 15:09:51,216 INFO L226 Difference]: Without dead ends: 9022 [2022-11-23 15:09:51,261 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 [2022-11-23 15:09:51,264 INFO L413 NwaCegarLoop]: 8403 mSDtfsCounter, 6257 mSDsluCounter, 6489 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 7 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6263 SdHoareTripleChecker+Valid, 14892 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:51,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6263 Valid, 14892 Invalid, 1476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1457 Invalid, 12 Unknown, 0 Unchecked, 45.6s Time] [2022-11-23 15:09:51,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9022 states. [2022-11-23 15:09:51,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9022 to 9020. [2022-11-23 15:09:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9020 states, 5991 states have (on average 1.400100150225338) internal successors, (8388), 6121 states have internal predecessors, (8388), 2484 states have call successors, (2484), 545 states have call predecessors, (2484), 544 states have return successors, (2487), 2447 states have call predecessors, (2487), 2481 states have call successors, (2487) [2022-11-23 15:09:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9020 states to 9020 states and 13359 transitions. [2022-11-23 15:09:51,876 INFO L78 Accepts]: Start accepts. Automaton has 9020 states and 13359 transitions. Word has length 193 [2022-11-23 15:09:51,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:51,881 INFO L495 AbstractCegarLoop]: Abstraction has 9020 states and 13359 transitions. [2022-11-23 15:09:51,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:09:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 9020 states and 13359 transitions. [2022-11-23 15:09:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-23 15:09:51,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:51,910 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:51,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:09:51,911 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:09:51,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:51,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1002876605, now seen corresponding path program 1 times [2022-11-23 15:09:51,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:51,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295740401] [2022-11-23 15:09:51,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:51,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-23 15:09:53,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:53,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295740401] [2022-11-23 15:09:53,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295740401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:53,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:53,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:09:53,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403419282] [2022-11-23 15:09:53,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:53,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:09:53,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:53,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:09:53,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:09:53,678 INFO L87 Difference]: Start difference. First operand 9020 states and 13359 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:09:55,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:02,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:04,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:11,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:10:13,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:15,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:16,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:19,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:21,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:23,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:26,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:29,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:30,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:33,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:36,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:38,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:41,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:42,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:43,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:43,006 INFO L93 Difference]: Finished difference Result 19915 states and 29947 transitions. [2022-11-23 15:10:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:10:43,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-11-23 15:10:43,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:43,097 INFO L225 Difference]: With dead ends: 19915 [2022-11-23 15:10:43,097 INFO L226 Difference]: Without dead ends: 10930 [2022-11-23 15:10:43,147 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 [2022-11-23 15:10:43,148 INFO L413 NwaCegarLoop]: 8041 mSDtfsCounter, 1252 mSDsluCounter, 6670 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 5 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 14711 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:43,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1456 Valid, 14711 Invalid, 1448 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1433 Invalid, 10 Unknown, 0 Unchecked, 48.8s Time] [2022-11-23 15:10:43,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10930 states. [2022-11-23 15:10:43,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10930 to 9031. [2022-11-23 15:10:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9031 states, 6002 states have (on average 1.400533155614795) internal successors, (8406), 6132 states have internal predecessors, (8406), 2484 states have call successors, (2484), 545 states have call predecessors, (2484), 544 states have return successors, (2487), 2447 states have call predecessors, (2487), 2481 states have call successors, (2487) [2022-11-23 15:10:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9031 states to 9031 states and 13377 transitions. [2022-11-23 15:10:43,870 INFO L78 Accepts]: Start accepts. Automaton has 9031 states and 13377 transitions. Word has length 217 [2022-11-23 15:10:43,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:43,872 INFO L495 AbstractCegarLoop]: Abstraction has 9031 states and 13377 transitions. [2022-11-23 15:10:43,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:10:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 9031 states and 13377 transitions. [2022-11-23 15:10:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-23 15:10:43,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:43,882 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:43,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:10:43,883 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:10:43,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:43,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1251244404, now seen corresponding path program 1 times [2022-11-23 15:10:43,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:43,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816387914] [2022-11-23 15:10:43,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-23 15:10:45,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:45,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816387914] [2022-11-23 15:10:45,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816387914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:45,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:45,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:45,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098430001] [2022-11-23 15:10:45,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:45,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:45,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:45,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:45,518 INFO L87 Difference]: Start difference. First operand 9031 states and 13377 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:10:47,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:53,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:55,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:03,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:11:12,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:14,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:16,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:21,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:23,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:31,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:32,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:35,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:37,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:39,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:41,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:43,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:44,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:46,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:48,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:50,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:51,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:54,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:54,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:54,984 INFO L93 Difference]: Finished difference Result 25157 states and 37936 transitions. [2022-11-23 15:11:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:11:54,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 218 [2022-11-23 15:11:54,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:55,093 INFO L225 Difference]: With dead ends: 25157 [2022-11-23 15:11:55,093 INFO L226 Difference]: Without dead ends: 16161 [2022-11-23 15:11:55,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:11:55,147 INFO L413 NwaCegarLoop]: 10021 mSDtfsCounter, 9037 mSDsluCounter, 16388 mSDsCounter, 0 mSdLazyCounter, 2597 mSolverCounterSat, 216 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9244 SdHoareTripleChecker+Valid, 26409 SdHoareTripleChecker+Invalid, 2827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2597 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:55,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9244 Valid, 26409 Invalid, 2827 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [216 Valid, 2597 Invalid, 14 Unknown, 0 Unchecked, 68.6s Time] [2022-11-23 15:11:55,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16161 states. [2022-11-23 15:11:55,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16161 to 13323. [2022-11-23 15:11:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13323 states, 8861 states have (on average 1.4009705450852048) internal successors, (12414), 9051 states have internal predecessors, (12414), 3652 states have call successors, (3652), 810 states have call predecessors, (3652), 809 states have return successors, (3663), 3597 states have call predecessors, (3663), 3649 states have call successors, (3663) [2022-11-23 15:11:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13323 states to 13323 states and 19729 transitions. [2022-11-23 15:11:55,872 INFO L78 Accepts]: Start accepts. Automaton has 13323 states and 19729 transitions. Word has length 218 [2022-11-23 15:11:55,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:55,874 INFO L495 AbstractCegarLoop]: Abstraction has 13323 states and 19729 transitions. [2022-11-23 15:11:55,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:11:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 13323 states and 19729 transitions. [2022-11-23 15:11:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-23 15:11:55,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:55,884 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:55,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:11:55,885 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:11:55,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:55,886 INFO L85 PathProgramCache]: Analyzing trace with hash 769432045, now seen corresponding path program 1 times [2022-11-23 15:11:55,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:55,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202211829] [2022-11-23 15:11:55,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:55,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-23 15:11:57,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:57,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202211829] [2022-11-23 15:11:57,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202211829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:57,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:57,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:11:57,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130921958] [2022-11-23 15:11:57,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:57,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:11:57,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:57,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:11:57,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:11:57,293 INFO L87 Difference]: Start difference. First operand 13323 states and 19729 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:11:59,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:04,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:07,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:12,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:12:16,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:19,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:21,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:24,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:26,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:31,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:34,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:37,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:39,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:40,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:41,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:41,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:12:41,754 INFO L93 Difference]: Finished difference Result 26612 states and 39408 transitions. [2022-11-23 15:12:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:12:41,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 219 [2022-11-23 15:12:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:12:41,830 INFO L225 Difference]: With dead ends: 26612 [2022-11-23 15:12:41,830 INFO L226 Difference]: Without dead ends: 13324 [2022-11-23 15:12:41,876 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 [2022-11-23 15:12:41,877 INFO L413 NwaCegarLoop]: 6479 mSDtfsCounter, 0 mSDsluCounter, 6467 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12946 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:12:41,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12946 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1361 Invalid, 9 Unknown, 0 Unchecked, 43.9s Time] [2022-11-23 15:12:41,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13324 states. [2022-11-23 15:12:42,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13324 to 13324. [2022-11-23 15:12:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13324 states, 8862 states have (on average 1.4009252990295644) internal successors, (12415), 9052 states have internal predecessors, (12415), 3652 states have call successors, (3652), 810 states have call predecessors, (3652), 809 states have return successors, (3663), 3597 states have call predecessors, (3663), 3649 states have call successors, (3663) [2022-11-23 15:12:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13324 states to 13324 states and 19730 transitions. [2022-11-23 15:12:42,508 INFO L78 Accepts]: Start accepts. Automaton has 13324 states and 19730 transitions. Word has length 219 [2022-11-23 15:12:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:12:42,512 INFO L495 AbstractCegarLoop]: Abstraction has 13324 states and 19730 transitions. [2022-11-23 15:12:42,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:12:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 13324 states and 19730 transitions. [2022-11-23 15:12:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-23 15:12:42,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:12:42,522 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:12:42,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:12:42,522 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:12:42,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:12:42,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1577051549, now seen corresponding path program 1 times [2022-11-23 15:12:42,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:12:42,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502899267] [2022-11-23 15:12:42,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:42,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:12:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-23 15:12:44,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:12:44,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502899267] [2022-11-23 15:12:44,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502899267] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:12:44,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065371141] [2022-11-23 15:12:44,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:12:44,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:12:44,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:12:44,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:12:44,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:12:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:12:48,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 7042 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:12:48,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:12:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2022-11-23 15:12:50,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:12:50,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065371141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:12:50,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:12:50,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 15:12:50,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422127954] [2022-11-23 15:12:50,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:12:50,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:12:50,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:12:50,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:12:50,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:12:50,720 INFO L87 Difference]: Start difference. First operand 13324 states and 19730 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 15:12:52,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:56,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:12:59,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:13:02,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:04,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:10,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:12,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:17,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:19,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:21,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:24,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:26,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:30,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:32,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:34,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:36,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:39,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:42,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:13:42,912 INFO L93 Difference]: Finished difference Result 26157 states and 38725 transitions. [2022-11-23 15:13:42,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:13:42,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 220 [2022-11-23 15:13:42,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:13:43,073 INFO L225 Difference]: With dead ends: 26157 [2022-11-23 15:13:43,073 INFO L226 Difference]: Without dead ends: 26154 [2022-11-23 15:13:43,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:13:43,095 INFO L413 NwaCegarLoop]: 8498 mSDtfsCounter, 6354 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6360 SdHoareTripleChecker+Valid, 14921 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:13:43,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6360 Valid, 14921 Invalid, 1491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1479 Invalid, 11 Unknown, 0 Unchecked, 51.5s Time] [2022-11-23 15:13:43,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26154 states. [2022-11-23 15:13:44,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26154 to 26150. [2022-11-23 15:13:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26150 states, 17411 states have (on average 1.402561598989145) internal successors, (24420), 17782 states have internal predecessors, (24420), 7134 states have call successors, (7134), 1605 states have call predecessors, (7134), 1604 states have return successors, (7165), 7025 states have call predecessors, (7165), 7131 states have call successors, (7165) [2022-11-23 15:13:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26150 states to 26150 states and 38719 transitions. [2022-11-23 15:13:44,528 INFO L78 Accepts]: Start accepts. Automaton has 26150 states and 38719 transitions. Word has length 220 [2022-11-23 15:13:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:13:44,528 INFO L495 AbstractCegarLoop]: Abstraction has 26150 states and 38719 transitions. [2022-11-23 15:13:44,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 15:13:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 26150 states and 38719 transitions. [2022-11-23 15:13:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-23 15:13:44,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:44,538 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:13:44,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:13:44,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:13:44,760 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:13:44,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:44,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1646052563, now seen corresponding path program 1 times [2022-11-23 15:13:44,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:13:44,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059657433] [2022-11-23 15:13:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:44,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:13:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-23 15:13:46,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:13:46,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059657433] [2022-11-23 15:13:46,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059657433] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:13:46,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501766632] [2022-11-23 15:13:46,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:46,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:13:46,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:13:46,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:13:46,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:13:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:50,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 7044 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:13:50,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:13:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2022-11-23 15:13:52,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:13:52,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501766632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:13:52,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:13:52,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 15:13:52,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900158201] [2022-11-23 15:13:52,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:13:52,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:13:52,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:13:52,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:13:52,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:13:52,883 INFO L87 Difference]: Start difference. First operand 26150 states and 38719 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 15:13:54,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:13:59,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:02,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:14:03,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:05,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:07,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:13,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:15,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:19,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:21,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:27,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:30,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:32,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:34,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:35,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:36,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:41,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:41,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:14:41,655 INFO L93 Difference]: Finished difference Result 26158 states and 38726 transitions. [2022-11-23 15:14:41,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:14:41,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 221 [2022-11-23 15:14:41,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:14:41,807 INFO L225 Difference]: With dead ends: 26158 [2022-11-23 15:14:41,807 INFO L226 Difference]: Without dead ends: 26155 [2022-11-23 15:14:41,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:14:41,829 INFO L413 NwaCegarLoop]: 8498 mSDtfsCounter, 6351 mSDsluCounter, 6426 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6357 SdHoareTripleChecker+Valid, 14924 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:14:41,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6357 Valid, 14924 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1477 Invalid, 11 Unknown, 0 Unchecked, 47.9s Time] [2022-11-23 15:14:41,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26155 states. [2022-11-23 15:14:42,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26155 to 26151. [2022-11-23 15:14:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26151 states, 17412 states have (on average 1.4025384792097404) internal successors, (24421), 17783 states have internal predecessors, (24421), 7134 states have call successors, (7134), 1605 states have call predecessors, (7134), 1604 states have return successors, (7165), 7025 states have call predecessors, (7165), 7131 states have call successors, (7165) [2022-11-23 15:14:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26151 states to 26151 states and 38720 transitions. [2022-11-23 15:14:43,129 INFO L78 Accepts]: Start accepts. Automaton has 26151 states and 38720 transitions. Word has length 221 [2022-11-23 15:14:43,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:14:43,130 INFO L495 AbstractCegarLoop]: Abstraction has 26151 states and 38720 transitions. [2022-11-23 15:14:43,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 15:14:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 26151 states and 38720 transitions. [2022-11-23 15:14:43,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-23 15:14:43,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:14:43,140 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:14:43,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:14:43,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 15:14:43,356 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:14:43,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:14:43,356 INFO L85 PathProgramCache]: Analyzing trace with hash 509888166, now seen corresponding path program 1 times [2022-11-23 15:14:43,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:14:43,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144014732] [2022-11-23 15:14:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:14:43,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:14:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:14:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-23 15:14:44,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:14:44,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144014732] [2022-11-23 15:14:44,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144014732] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:14:44,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998008977] [2022-11-23 15:14:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:14:44,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:14:44,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:14:44,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:14:44,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:14:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:14:49,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 7046 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:14:49,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:14:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2022-11-23 15:14:51,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:14:51,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998008977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:14:51,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:14:51,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 15:14:51,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461847376] [2022-11-23 15:14:51,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:14:51,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:14:51,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:14:51,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:14:51,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:14:51,829 INFO L87 Difference]: Start difference. First operand 26151 states and 38720 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 15:14:53,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:14:58,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:00,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:15:04,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:10,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:12,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:16,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:19,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:22,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:28,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:30,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:32,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:35,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:38,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:40,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:15:40,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:15:40,650 INFO L93 Difference]: Finished difference Result 26157 states and 38725 transitions. [2022-11-23 15:15:40,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:15:40,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 222 [2022-11-23 15:15:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:15:40,784 INFO L225 Difference]: With dead ends: 26157 [2022-11-23 15:15:40,784 INFO L226 Difference]: Without dead ends: 26148 [2022-11-23 15:15:40,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:15:40,803 INFO L413 NwaCegarLoop]: 8498 mSDtfsCounter, 6347 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 1475 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6353 SdHoareTripleChecker+Valid, 14927 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1475 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:15:40,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6353 Valid, 14927 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1475 Invalid, 12 Unknown, 0 Unchecked, 48.0s Time] [2022-11-23 15:15:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26148 states. [2022-11-23 15:15:42,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26148 to 26146. [2022-11-23 15:15:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26146 states, 17408 states have (on average 1.4024586397058822) internal successors, (24414), 17779 states have internal predecessors, (24414), 7133 states have call successors, (7133), 1605 states have call predecessors, (7133), 1604 states have return successors, (7164), 7024 states have call predecessors, (7164), 7130 states have call successors, (7164) [2022-11-23 15:15:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26146 states to 26146 states and 38711 transitions. [2022-11-23 15:15:42,257 INFO L78 Accepts]: Start accepts. Automaton has 26146 states and 38711 transitions. Word has length 222 [2022-11-23 15:15:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:15:42,259 INFO L495 AbstractCegarLoop]: Abstraction has 26146 states and 38711 transitions. [2022-11-23 15:15:42,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-23 15:15:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26146 states and 38711 transitions. [2022-11-23 15:15:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-11-23 15:15:42,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:15:42,575 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:15:42,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:15:42,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d56731aa-789e-431d-a8b2-3756a8006176/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 15:15:42,796 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:15:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:15:42,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1900262200, now seen corresponding path program 1 times [2022-11-23 15:15:42,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:15:42,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112641526] [2022-11-23 15:15:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:15:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms