./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:09:46,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:09:46,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:09:46,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:09:46,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:09:46,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:09:46,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:09:46,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:09:46,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:09:46,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:09:46,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:09:46,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:09:46,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:09:46,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:09:46,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:09:46,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:09:46,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:09:46,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:09:46,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:09:46,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:09:46,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:09:46,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:09:46,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:09:46,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:09:46,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:09:46,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:09:46,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:09:46,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:09:46,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:09:46,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:09:46,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:09:46,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:09:46,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:09:46,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:09:46,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:09:46,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:09:46,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:09:46,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:09:46,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:09:46,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:09:46,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:09:46,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:09:46,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:09:46,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:09:46,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:09:46,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:09:46,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:09:46,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:09:46,842 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:09:46,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:09:46,842 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:09:46,843 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:09:46,844 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:09:46,844 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:09:46,844 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:09:46,844 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:09:46,845 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:09:46,845 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:09:46,845 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:09:46,845 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:09:46,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:09:46,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:09:46,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:09:46,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:09:46,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:09:46,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:09:46,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:09:46,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:09:46,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:09:46,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:09:46,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:09:46,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:09:46,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:09:46,849 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:09:46,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:09:46,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:09:46,850 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:09:46,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:09:46,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:09:46,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:09:46,850 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_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2022-11-03 02:09:47,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:09:47,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:09:47,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:09:47,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:09:47,182 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:09:47,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 02:09:47,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/data/a2c96ee8f/c5f305a89b3a466dacf96a6d153f2d14/FLAG6fd4646a9 [2022-11-03 02:09:48,247 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:09:48,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 02:09:48,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/data/a2c96ee8f/c5f305a89b3a466dacf96a6d153f2d14/FLAG6fd4646a9 [2022-11-03 02:09:48,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/data/a2c96ee8f/c5f305a89b3a466dacf96a6d153f2d14 [2022-11-03 02:09:48,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:09:48,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:09:48,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:09:48,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:09:48,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:09:48,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:09:48" (1/1) ... [2022-11-03 02:09:48,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73694c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:48, skipping insertion in model container [2022-11-03 02:09:48,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:09:48" (1/1) ... [2022-11-03 02:09:48,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:09:48,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:09:51,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-11-03 02:09:54,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:09:54,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:09:54,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-11-03 02:09:55,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:09:55,363 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:09:55,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55 WrapperNode [2022-11-03 02:09:55,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:09:55,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:09:55,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:09:55,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:09:55,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:55,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,051 INFO L138 Inliner]: procedures = 597, calls = 7256, calls flagged for inlining = 272, calls inlined = 259, statements flattened = 14780 [2022-11-03 02:09:56,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:09:56,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:09:56,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:09:56,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:09:56,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,793 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:56,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:09:56,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:09:56,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:09:56,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:09:56,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (1/1) ... [2022-11-03 02:09:57,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:09:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:09:57,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:09:57,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:09:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:09:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:09:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 02:09:57,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 02:09:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 02:09:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-03 02:09:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-03 02:09:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 02:09:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 02:09:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 02:09:57,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 02:09:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-03 02:09:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-03 02:09:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:09:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:09:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-03 02:09:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-03 02:09:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-03 02:09:57,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-03 02:09:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-03 02:09:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-03 02:09:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 02:09:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 02:09:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-03 02:09:57,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-03 02:09:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:09:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:09:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 02:09:57,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 02:09:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-03 02:09:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-03 02:09:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 02:09:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 02:09:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:09:57,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:09:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 02:09:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 02:09:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:09:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:09:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:09:57,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:09:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:09:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:09:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-03 02:09:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-03 02:09:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-03 02:09:57,192 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-03 02:09:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:09:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:09:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-03 02:09:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-03 02:09:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-03 02:09:57,194 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-03 02:09:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-03 02:09:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-03 02:09:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-03 02:09:57,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-03 02:09:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-03 02:09:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-03 02:09:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 02:09:57,196 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 02:09:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:09:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:09:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-03 02:09:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-03 02:09:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:09:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:09:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:09:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:09:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2022-11-03 02:09:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2022-11-03 02:09:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-03 02:09:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-03 02:09:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:09:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:09:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-03 02:09:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-03 02:09:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-03 02:09:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-03 02:09:57,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-03 02:09:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:09:57,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:09:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:09:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:09:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:09:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:09:57,202 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:09:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-03 02:09:57,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-03 02:09:57,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-03 02:09:57,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-03 02:09:57,204 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-03 02:09:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-03 02:09:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-03 02:09:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-03 02:09:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-03 02:09:57,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-03 02:09:57,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-03 02:09:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-03 02:09:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:09:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:09:57,206 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-03 02:09:57,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-03 02:09:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-03 02:09:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-03 02:09:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-03 02:09:57,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-03 02:09:57,207 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:09:57,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:09:57,208 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-03 02:09:57,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-03 02:09:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:09:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:09:57,212 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-03 02:09:57,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-03 02:09:57,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 02:09:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 02:09:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:09:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-03 02:09:57,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-03 02:09:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 02:09:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 02:09:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:09:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:09:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:09:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:09:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-03 02:09:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-03 02:09:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-03 02:09:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-03 02:09:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-03 02:09:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-03 02:09:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:09:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-03 02:09:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-03 02:09:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:09:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:09:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:09:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 02:09:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 02:09:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-03 02:09:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-03 02:09:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:09:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:09:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:09:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:09:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-03 02:09:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-03 02:09:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 02:09:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 02:09:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-03 02:09:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-03 02:09:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 02:09:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 02:09:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 02:09:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 02:09:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-03 02:09:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-03 02:09:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-03 02:09:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-03 02:09:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:09:57,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:09:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:09:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:09:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 02:09:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-03 02:09:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-03 02:09:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-03 02:09:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-03 02:09:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-03 02:09:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-03 02:09:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:09:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-03 02:09:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-03 02:09:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-03 02:09:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-03 02:09:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-03 02:09:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-03 02:09:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:09:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:09:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:09:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-03 02:09:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-03 02:09:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:09:57,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:09:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:09:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:09:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-03 02:09:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-03 02:09:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-03 02:09:57,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-03 02:09:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:09:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:09:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-03 02:09:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-03 02:09:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:09:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:09:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-03 02:09:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-03 02:09:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:09:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:09:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-03 02:09:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-03 02:09:57,233 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-03 02:09:57,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-03 02:09:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:09:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:09:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-03 02:09:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-03 02:09:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:09:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:09:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-03 02:09:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-03 02:09:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:09:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:09:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:09:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:09:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:09:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:09:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-03 02:09:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-03 02:09:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-03 02:09:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-03 02:09:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 02:09:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 02:09:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-03 02:09:57,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-03 02:09:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:09:57,237 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:09:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:09:57,237 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:09:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-03 02:09:57,237 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-03 02:09:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:09:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:09:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-03 02:09:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-03 02:09:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:09:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:09:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-03 02:09:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-03 02:09:57,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-03 02:09:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-03 02:09:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:09:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:09:57,244 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-03 02:09:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-03 02:09:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:09:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:09:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:09:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:09:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 02:09:57,246 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 02:09:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:09:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:09:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:09:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:09:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-03 02:09:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-03 02:09:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 02:09:57,247 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 02:09:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:09:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:09:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:09:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:09:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-03 02:09:57,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-03 02:09:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:09:57,248 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-03 02:09:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-03 02:09:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:09:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:09:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-03 02:09:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-03 02:09:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-03 02:09:57,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-03 02:09:57,249 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-03 02:09:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-03 02:09:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 02:09:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 02:09:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-03 02:09:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-03 02:09:57,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:09:57,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:09:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:09:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:09:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-03 02:09:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-03 02:09:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 02:09:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 02:09:57,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:09:57,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:09:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 02:09:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 02:09:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-03 02:09:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-03 02:09:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:09:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:09:57,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:09:57,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:09:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-03 02:09:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-03 02:09:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 02:09:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 02:09:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:09:57,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:09:57,253 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-03 02:09:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-03 02:09:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:09:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:09:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-03 02:09:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-03 02:09:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-03 02:09:57,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-03 02:09:57,254 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:09:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:09:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-03 02:09:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-03 02:09:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 02:09:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 02:09:57,255 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-03 02:09:57,255 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-03 02:09:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:09:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:09:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:09:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-03 02:09:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-03 02:09:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:09:57,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:09:57,256 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-03 02:09:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-03 02:09:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:09:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:09:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-03 02:09:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-03 02:09:57,257 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-03 02:09:57,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-03 02:09:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:09:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 02:09:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 02:09:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 02:09:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 02:09:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-03 02:09:57,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-03 02:09:57,258 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-03 02:09:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-03 02:09:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 02:09:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 02:09:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:09:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:09:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:09:57,259 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-03 02:09:57,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-03 02:09:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-03 02:09:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-03 02:09:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:09:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:09:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-03 02:09:57,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-03 02:09:57,260 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:09:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:09:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:09:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:09:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:09:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:09:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-03 02:09:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-03 02:09:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:09:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:09:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-03 02:09:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-03 02:09:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 02:09:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 02:09:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-03 02:09:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-03 02:09:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-03 02:09:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-03 02:09:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 02:09:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 02:09:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:09:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:09:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:09:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:09:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-03 02:09:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-03 02:09:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:09:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:09:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 02:09:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 02:09:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-03 02:09:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-03 02:09:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 02:09:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 02:09:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:09:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:09:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:09:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:09:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-03 02:09:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-03 02:09:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:09:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:09:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-03 02:09:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-03 02:09:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-03 02:09:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-03 02:09:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:09:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 02:09:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 02:09:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 02:09:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 02:09:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:09:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:09:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-03 02:09:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-03 02:09:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-03 02:09:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-03 02:09:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-03 02:09:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-03 02:09:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:09:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:09:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:09:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:09:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-03 02:09:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-03 02:09:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-03 02:09:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-03 02:09:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:09:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:09:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-03 02:09:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-03 02:09:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-03 02:09:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-03 02:09:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 02:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 02:09:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 02:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 02:09:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-03 02:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-03 02:09:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:09:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:09:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-03 02:09:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-03 02:09:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-03 02:09:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-03 02:09:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 02:09:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 02:09:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 02:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 02:09:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-03 02:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-03 02:09:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-03 02:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-03 02:09:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-03 02:09:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-03 02:09:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-03 02:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-03 02:09:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:09:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-03 02:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-03 02:09:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:09:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:09:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-03 02:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-03 02:09:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-03 02:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-03 02:09:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-03 02:09:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-03 02:09:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-03 02:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-03 02:09:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:09:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:09:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:09:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-03 02:09:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-03 02:09:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-03 02:09:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-03 02:09:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-03 02:09:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-03 02:09:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 02:09:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 02:09:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-03 02:09:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-03 02:09:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-03 02:09:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-03 02:09:58,998 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:09:59,007 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:09:59,188 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:10:23,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:10:29,906 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:10:29,907 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:10:29,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:10:29 BoogieIcfgContainer [2022-11-03 02:10:29,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:10:29,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:10:29,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:10:29,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:10:29,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:09:48" (1/3) ... [2022-11-03 02:10:29,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310fc338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:10:29, skipping insertion in model container [2022-11-03 02:10:29,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:09:55" (2/3) ... [2022-11-03 02:10:29,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310fc338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:10:29, skipping insertion in model container [2022-11-03 02:10:29,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:10:29" (3/3) ... [2022-11-03 02:10:29,924 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-03 02:10:29,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:10:29,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:10:30,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:10:30,095 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;@614446f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:10:30,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:10:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 3690 states, 2260 states have (on average 1.3349557522123894) internal successors, (3017), 2333 states have internal predecessors, (3017), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2022-11-03 02:10:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-03 02:10:30,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:30,126 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:10:30,127 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:30,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:30,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1164215961, now seen corresponding path program 1 times [2022-11-03 02:10:30,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:30,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855739206] [2022-11-03 02:10:30,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:30,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:10:31,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:31,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855739206] [2022-11-03 02:10:31,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855739206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:31,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:31,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:10:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320870660] [2022-11-03 02:10:31,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:31,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:10:31,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:10:31,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:10:31,752 INFO L87 Difference]: Start difference. First operand has 3690 states, 2260 states have (on average 1.3349557522123894) internal successors, (3017), 2333 states have internal predecessors, (3017), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 02:10:33,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:36,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:41,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:44,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:46,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:48,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:10:56,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:56,757 INFO L93 Difference]: Finished difference Result 10990 states and 16185 transitions. [2022-11-03 02:10:56,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:10:56,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 64 [2022-11-03 02:10:56,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:56,844 INFO L225 Difference]: With dead ends: 10990 [2022-11-03 02:10:56,845 INFO L226 Difference]: Without dead ends: 7277 [2022-11-03 02:10:56,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:10:56,883 INFO L413 NwaCegarLoop]: 6187 mSDtfsCounter, 5292 mSDsluCounter, 5380 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 9 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5295 SdHoareTripleChecker+Valid, 10955 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:56,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5295 Valid, 10955 Invalid, 1301 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1287 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2022-11-03 02:10:56,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2022-11-03 02:10:57,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 7275. [2022-11-03 02:10:57,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7275 states, 4461 states have (on average 1.3263842187850259) internal successors, (5917), 4585 states have internal predecessors, (5917), 2351 states have call successors, (2351), 463 states have call predecessors, (2351), 462 states have return successors, (2353), 2318 states have call predecessors, (2353), 2350 states have call successors, (2353) [2022-11-03 02:10:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7275 states to 7275 states and 10621 transitions. [2022-11-03 02:10:57,563 INFO L78 Accepts]: Start accepts. Automaton has 7275 states and 10621 transitions. Word has length 64 [2022-11-03 02:10:57,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:57,564 INFO L495 AbstractCegarLoop]: Abstraction has 7275 states and 10621 transitions. [2022-11-03 02:10:57,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 02:10:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 7275 states and 10621 transitions. [2022-11-03 02:10:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 02:10:57,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:57,569 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:10:57,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:10:57,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:10:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:57,570 INFO L85 PathProgramCache]: Analyzing trace with hash -2052436526, now seen corresponding path program 1 times [2022-11-03 02:10:57,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:57,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292358705] [2022-11-03 02:10:57,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:57,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:59,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:10:59,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:59,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292358705] [2022-11-03 02:10:59,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292358705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:59,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:59,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:10:59,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822000175] [2022-11-03 02:10:59,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:59,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:10:59,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:59,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:10:59,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:59,036 INFO L87 Difference]: Start difference. First operand 7275 states and 10621 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 02:11:01,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:03,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:06,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:11:12,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:15,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:17,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:19,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:22,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:24,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:31,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:31,803 INFO L93 Difference]: Finished difference Result 14515 states and 21289 transitions. [2022-11-03 02:11:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:11:31,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2022-11-03 02:11:31,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:31,913 INFO L225 Difference]: With dead ends: 14515 [2022-11-03 02:11:31,913 INFO L226 Difference]: Without dead ends: 14510 [2022-11-03 02:11:31,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:11:31,929 INFO L413 NwaCegarLoop]: 6356 mSDtfsCounter, 5284 mSDsluCounter, 12430 mSDsCounter, 0 mSdLazyCounter, 2041 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5284 SdHoareTripleChecker+Valid, 17476 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2041 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:31,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5284 Valid, 17476 Invalid, 2047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2041 Invalid, 6 Unknown, 0 Unchecked, 32.2s Time] [2022-11-03 02:11:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14510 states. [2022-11-03 02:11:32,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14510 to 14499. [2022-11-03 02:11:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14499 states, 8885 states have (on average 1.3265053460889138) internal successors, (11786), 9136 states have internal predecessors, (11786), 4689 states have call successors, (4689), 925 states have call predecessors, (4689), 924 states have return successors, (4794), 4621 states have call predecessors, (4794), 4688 states have call successors, (4794) [2022-11-03 02:11:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14499 states to 14499 states and 21269 transitions. [2022-11-03 02:11:32,927 INFO L78 Accepts]: Start accepts. Automaton has 14499 states and 21269 transitions. Word has length 67 [2022-11-03 02:11:32,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:32,929 INFO L495 AbstractCegarLoop]: Abstraction has 14499 states and 21269 transitions. [2022-11-03 02:11:32,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 02:11:32,931 INFO L276 IsEmpty]: Start isEmpty. Operand 14499 states and 21269 transitions. [2022-11-03 02:11:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-03 02:11:32,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:32,961 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 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] [2022-11-03 02:11:32,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:11:32,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:11:32,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1808302172, now seen corresponding path program 1 times [2022-11-03 02:11:32,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:32,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838577413] [2022-11-03 02:11:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:33,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:33,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838577413] [2022-11-03 02:11:33,764 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:11:33,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278153332] [2022-11-03 02:11:33,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:33,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:11:33,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:11:33,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:11:33,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:11:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:36,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 8766 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:11:36,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:11:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-03 02:11:36,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:11:36,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278153332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:36,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:11:36,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:11:36,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214520210] [2022-11-03 02:11:36,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:36,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:11:36,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:36,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:11:36,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:11:36,846 INFO L87 Difference]: Start difference. First operand 14499 states and 21269 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:11:38,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:41,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:44,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:11:48,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:51,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:53,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:57,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:12:01,718 INFO L93 Difference]: Finished difference Result 42575 states and 62478 transitions. [2022-11-03 02:12:01,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:12:01,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2022-11-03 02:12:01,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:12:01,891 INFO L225 Difference]: With dead ends: 42575 [2022-11-03 02:12:01,892 INFO L226 Difference]: Without dead ends: 28095 [2022-11-03 02:12:01,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:01,979 INFO L413 NwaCegarLoop]: 6514 mSDtfsCounter, 4941 mSDsluCounter, 5228 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 40 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4946 SdHoareTripleChecker+Valid, 11140 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:12:01,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4946 Valid, 11140 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1510 Invalid, 7 Unknown, 0 Unchecked, 23.9s Time] [2022-11-03 02:12:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28095 states. [2022-11-03 02:12:03,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28095 to 28073. [2022-11-03 02:12:03,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28073 states, 17227 states have (on average 1.3239101410576422) internal successors, (22807), 17750 states have internal predecessors, (22807), 9037 states have call successors, (9037), 1813 states have call predecessors, (9037), 1808 states have return successors, (9244), 8877 states have call predecessors, (9244), 9036 states have call successors, (9244) [2022-11-03 02:12:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28073 states to 28073 states and 41088 transitions. [2022-11-03 02:12:03,609 INFO L78 Accepts]: Start accepts. Automaton has 28073 states and 41088 transitions. Word has length 153 [2022-11-03 02:12:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:12:03,610 INFO L495 AbstractCegarLoop]: Abstraction has 28073 states and 41088 transitions. [2022-11-03 02:12:03,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 02:12:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 28073 states and 41088 transitions. [2022-11-03 02:12:03,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-03 02:12:03,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:03,629 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 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] [2022-11-03 02:12:03,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:12:03,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:12:03,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:12:03,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:03,858 INFO L85 PathProgramCache]: Analyzing trace with hash 85302885, now seen corresponding path program 1 times [2022-11-03 02:12:03,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:03,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552108936] [2022-11-03 02:12:03,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:03,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-03 02:12:05,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:05,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552108936] [2022-11-03 02:12:05,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552108936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:05,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:05,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:12:05,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259155672] [2022-11-03 02:12:05,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:05,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:12:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:12:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:05,067 INFO L87 Difference]: Start difference. First operand 28073 states and 41088 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:12:07,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:09,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:12:12,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:15,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:17,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:18,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:20,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:23,855 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 [] [2022-11-03 02:12:30,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:12:30,641 INFO L93 Difference]: Finished difference Result 82184 states and 120264 transitions. [2022-11-03 02:12:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:12:30,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 152 [2022-11-03 02:12:30,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:12:31,111 INFO L225 Difference]: With dead ends: 82184 [2022-11-03 02:12:31,112 INFO L226 Difference]: Without dead ends: 54130 [2022-11-03 02:12:31,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:31,237 INFO L413 NwaCegarLoop]: 6603 mSDtfsCounter, 4906 mSDsluCounter, 5320 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4910 SdHoareTripleChecker+Valid, 11316 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:12:31,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4910 Valid, 11316 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1384 Invalid, 5 Unknown, 0 Unchecked, 23.9s Time] [2022-11-03 02:12:31,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54130 states. [2022-11-03 02:12:33,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54130 to 54117. [2022-11-03 02:12:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54117 states, 33291 states have (on average 1.325493376588267) internal successors, (44127), 34302 states have internal predecessors, (44127), 17333 states have call successors, (17333), 3497 states have call predecessors, (17333), 3492 states have return successors, (17724), 17037 states have call predecessors, (17724), 17332 states have call successors, (17724) [2022-11-03 02:12:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54117 states to 54117 states and 79184 transitions. [2022-11-03 02:12:34,435 INFO L78 Accepts]: Start accepts. Automaton has 54117 states and 79184 transitions. Word has length 152 [2022-11-03 02:12:34,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:12:34,436 INFO L495 AbstractCegarLoop]: Abstraction has 54117 states and 79184 transitions. [2022-11-03 02:12:34,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:12:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 54117 states and 79184 transitions. [2022-11-03 02:12:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-03 02:12:34,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:34,455 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 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] [2022-11-03 02:12:34,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:12:34,455 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:12:34,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:34,456 INFO L85 PathProgramCache]: Analyzing trace with hash -681825528, now seen corresponding path program 1 times [2022-11-03 02:12:34,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:34,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002129870] [2022-11-03 02:12:34,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:34,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:35,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:35,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002129870] [2022-11-03 02:12:35,416 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:12:35,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979920821] [2022-11-03 02:12:35,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:35,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:12:35,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:12:35,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:12:35,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:12:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:38,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 8870 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:12:38,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:12:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-03 02:12:38,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:12:38,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979920821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:38,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:38,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:12:38,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448288385] [2022-11-03 02:12:38,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:38,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:12:38,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:38,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:12:38,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:12:38,374 INFO L87 Difference]: Start difference. First operand 54117 states and 79184 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:12:40,494 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 [] [2022-11-03 02:12:42,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:44,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:46,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:48,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:12:51,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:58,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:00,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:04,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:09,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:09,415 INFO L93 Difference]: Finished difference Result 158010 states and 231148 transitions. [2022-11-03 02:13:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:09,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2022-11-03 02:13:09,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:10,151 INFO L225 Difference]: With dead ends: 158010 [2022-11-03 02:13:10,152 INFO L226 Difference]: Without dead ends: 103912 [2022-11-03 02:13:10,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:10,359 INFO L413 NwaCegarLoop]: 7133 mSDtfsCounter, 5131 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5134 SdHoareTripleChecker+Valid, 11840 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:10,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5134 Valid, 11840 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1509 Invalid, 5 Unknown, 0 Unchecked, 27.7s Time] [2022-11-03 02:13:10,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103912 states. [2022-11-03 02:13:14,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103912 to 103901. [2022-11-03 02:13:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103901 states, 64010 states have (on average 1.32537103577566) internal successors, (84837), 65922 states have internal predecessors, (84837), 33162 states have call successors, (33162), 6737 states have call predecessors, (33162), 6728 states have return successors, (33839), 32589 states have call predecessors, (33839), 33161 states have call successors, (33839) [2022-11-03 02:13:16,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103901 states to 103901 states and 151838 transitions. [2022-11-03 02:13:16,178 INFO L78 Accepts]: Start accepts. Automaton has 103901 states and 151838 transitions. Word has length 164 [2022-11-03 02:13:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:16,178 INFO L495 AbstractCegarLoop]: Abstraction has 103901 states and 151838 transitions. [2022-11-03 02:13:16,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:13:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 103901 states and 151838 transitions. [2022-11-03 02:13:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-03 02:13:16,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:16,272 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:13:16,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:13:16,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:16,482 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:16,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1181646837, now seen corresponding path program 1 times [2022-11-03 02:13:16,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:16,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995948996] [2022-11-03 02:13:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-03 02:13:17,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:17,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995948996] [2022-11-03 02:13:17,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995948996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:17,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:17,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:17,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523461233] [2022-11-03 02:13:17,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:17,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:17,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:17,893 INFO L87 Difference]: Start difference. First operand 103901 states and 151838 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:13:20,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:23,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:27,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:13:29,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:35,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:37,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:39,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:41,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:49,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:49,906 INFO L93 Difference]: Finished difference Result 259514 states and 379230 transitions. [2022-11-03 02:13:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:49,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 211 [2022-11-03 02:13:49,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:50,696 INFO L225 Difference]: With dead ends: 259514 [2022-11-03 02:13:50,696 INFO L226 Difference]: Without dead ends: 155632 [2022-11-03 02:13:51,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:51,237 INFO L413 NwaCegarLoop]: 8378 mSDtfsCounter, 5175 mSDsluCounter, 5087 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 12 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5176 SdHoareTripleChecker+Valid, 12885 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:51,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5176 Valid, 12885 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1645 Invalid, 4 Unknown, 0 Unchecked, 26.3s Time] [2022-11-03 02:13:51,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155632 states. [2022-11-03 02:13:57,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155632 to 155619. [2022-11-03 02:13:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155619 states, 96072 states have (on average 1.3256203680572904) internal successors, (127355), 98938 states have internal predecessors, (127355), 49458 states have call successors, (49458), 10097 states have call predecessors, (49458), 10088 states have return successors, (50451), 48619 states have call predecessors, (50451), 49457 states have call successors, (50451) [2022-11-03 02:13:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155619 states to 155619 states and 227264 transitions. [2022-11-03 02:13:58,367 INFO L78 Accepts]: Start accepts. Automaton has 155619 states and 227264 transitions. Word has length 211 [2022-11-03 02:13:58,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:58,368 INFO L495 AbstractCegarLoop]: Abstraction has 155619 states and 227264 transitions. [2022-11-03 02:13:58,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:13:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 155619 states and 227264 transitions. [2022-11-03 02:13:58,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-03 02:13:58,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:58,441 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:13:58,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:13:58,441 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:58,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:58,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1034017848, now seen corresponding path program 1 times [2022-11-03 02:13:58,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:58,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110489328] [2022-11-03 02:13:58,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:58,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:59,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:59,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110489328] [2022-11-03 02:13:59,330 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 02:13:59,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334576707] [2022-11-03 02:13:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:59,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:59,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:59,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:13:59,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1434e35-36cd-401d-bed2-be9bad47c799/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:14:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:02,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 9177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:14:02,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:14:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-11-03 02:14:02,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:14:02,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334576707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:02,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:14:02,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:14:02,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842604321] [2022-11-03 02:14:02,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:02,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:14:02,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:02,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:14:02,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:14:02,341 INFO L87 Difference]: Start difference. First operand 155619 states and 227264 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 02:14:04,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:07,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:11,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:14:14,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:22,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:14:23,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []