./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.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_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/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_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/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_2275863d-3eca-413d-afdf-d2dec5e2c872/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 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- 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 02:17:23,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:17:23,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:17:23,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:17:23,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:17:23,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:17:23,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:17:23,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:17:23,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:17:23,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:17:23,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:17:23,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:17:23,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:17:23,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:17:23,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:17:23,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:17:23,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:17:23,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:17:23,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:17:23,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:17:23,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:17:23,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:17:23,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:17:23,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:17:23,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:17:23,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:17:23,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:17:23,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:17:23,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:17:23,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:17:23,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:17:23,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:17:23,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:17:23,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:17:23,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:17:23,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:17:23,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:17:23,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:17:23,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:17:23,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:17:23,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:17:23,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:17:23,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:17:23,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:17:23,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:17:23,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:17:23,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:17:23,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:17:23,653 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:17:23,653 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:17:23,653 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:17:23,654 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:17:23,655 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:17:23,655 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:17:23,655 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:17:23,655 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:17:23,655 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:17:23,656 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:17:23,656 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:17:23,656 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:17:23,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:17:23,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:17:23,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:17:23,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:17:23,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:17:23,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:17:23,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:17:23,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:17:23,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:17:23,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:17:23,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:17:23,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:17:23,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:17:23,669 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:17:23,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:17:23,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:17:23,670 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:17:23,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:17:23,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:17:23,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:17:23,671 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_2275863d-3eca-413d-afdf-d2dec5e2c872/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2022-11-03 02:17:23,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:17:24,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:17:24,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:17:24,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:17:24,023 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:17:24,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-03 02:17:24,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/data/f90d94b21/048ade9731a9417da7be478860e028e6/FLAG58121b908 [2022-11-03 02:17:25,165 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:17:25,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-03 02:17:25,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/data/f90d94b21/048ade9731a9417da7be478860e028e6/FLAG58121b908 [2022-11-03 02:17:25,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/data/f90d94b21/048ade9731a9417da7be478860e028e6 [2022-11-03 02:17:25,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:17:25,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:17:25,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:17:25,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:17:25,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:17:25,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:17:25" (1/1) ... [2022-11-03 02:17:25,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78add931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:25, skipping insertion in model container [2022-11-03 02:17:25,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:17:25" (1/1) ... [2022-11-03 02:17:25,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:17:25,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:17:29,439 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_2275863d-3eca-413d-afdf-d2dec5e2c872/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-11-03 02:17:29,442 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_2275863d-3eca-413d-afdf-d2dec5e2c872/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-11-03 02:17:29,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:17:29,494 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:17:30,365 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_2275863d-3eca-413d-afdf-d2dec5e2c872/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2022-11-03 02:17:30,366 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_2275863d-3eca-413d-afdf-d2dec5e2c872/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2022-11-03 02:17:30,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:17:30,595 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:17:30,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30 WrapperNode [2022-11-03 02:17:30,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:17:30,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:17:30,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:17:30,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:17:30,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:30,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:30,915 INFO L138 Inliner]: procedures = 493, calls = 2689, calls flagged for inlining = 240, calls inlined = 225, statements flattened = 5114 [2022-11-03 02:17:30,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:17:30,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:17:30,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:17:30,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:17:30,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:30,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:30,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:30,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:31,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:31,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:31,194 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:31,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:31,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:17:31,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:17:31,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:17:31,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:17:31,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (1/1) ... [2022-11-03 02:17:31,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:17:31,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:17:31,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:17:31,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2275863d-3eca-413d-afdf-d2dec5e2c872/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:17:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-11-03 02:17:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-11-03 02:17:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:17:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:17:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-11-03 02:17:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-11-03 02:17:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:17:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:17:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-11-03 02:17:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-11-03 02:17:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-11-03 02:17:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-11-03 02:17:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:17:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:17:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-11-03 02:17:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-11-03 02:17:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:17:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:17:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-11-03 02:17:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-11-03 02:17:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-11-03 02:17:31,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-11-03 02:17:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-11-03 02:17:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-11-03 02:17:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-11-03 02:17:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-11-03 02:17:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-11-03 02:17:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-11-03 02:17:31,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 02:17:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 02:17:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-11-03 02:17:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-11-03 02:17:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-11-03 02:17:31,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-11-03 02:17:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-11-03 02:17:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-11-03 02:17:31,363 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-11-03 02:17:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-11-03 02:17:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-11-03 02:17:31,364 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-11-03 02:17:31,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:17:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:17:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:17:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:17:31,366 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-11-03 02:17:31,366 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-11-03 02:17:31,367 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-11-03 02:17:31,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-11-03 02:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 02:17:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 02:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:17:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:17:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:17:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:17:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:17:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-11-03 02:17:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-11-03 02:17:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-11-03 02:17:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-11-03 02:17:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:17:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:17:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:17:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-11-03 02:17:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-11-03 02:17:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:17:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-03 02:17:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-03 02:17:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:17:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:17:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:17:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:17:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-11-03 02:17:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-11-03 02:17:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:17:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:17:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:17:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:17:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:17:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:17:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-11-03 02:17:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-11-03 02:17:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-11-03 02:17:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-11-03 02:17:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:17:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:17:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:17:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:17:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-11-03 02:17:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-11-03 02:17:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-11-03 02:17:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-11-03 02:17:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-03 02:17:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-03 02:17:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-11-03 02:17:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-11-03 02:17:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:17:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:17:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:17:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 02:17:31,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 02:17:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:17:31,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:17:31,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:17:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:17:31,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:17:31,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-11-03 02:17:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-11-03 02:17:31,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:17:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-11-03 02:17:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-11-03 02:17:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:17:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:17:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:17:31,390 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:17:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:17:31,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:17:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:17:31,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:17:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:17:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:17:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-11-03 02:17:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-11-03 02:17:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:17:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:17:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-11-03 02:17:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-11-03 02:17:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:17:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:17:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:17:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:17:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-11-03 02:17:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-11-03 02:17:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-11-03 02:17:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-11-03 02:17:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-11-03 02:17:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-11-03 02:17:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-11-03 02:17:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-11-03 02:17:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 02:17:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 02:17:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:17:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:17:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-11-03 02:17:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-11-03 02:17:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:17:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:17:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:17:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:17:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-11-03 02:17:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-11-03 02:17:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:17:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:17:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-11-03 02:17:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-11-03 02:17:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-11-03 02:17:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-11-03 02:17:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-11-03 02:17:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-11-03 02:17:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:17:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:17:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-11-03 02:17:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-11-03 02:17:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-11-03 02:17:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-11-03 02:17:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:17:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:17:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-11-03 02:17:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-11-03 02:17:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-11-03 02:17:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-11-03 02:17:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-11-03 02:17:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-11-03 02:17:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:17:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:17:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:17:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-11-03 02:17:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-11-03 02:17:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-11-03 02:17:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-11-03 02:17:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:17:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 02:17:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 02:17:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-11-03 02:17:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-11-03 02:17:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:17:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:17:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:17:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-11-03 02:17:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-11-03 02:17:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-11-03 02:17:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-11-03 02:17:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:17:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:17:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-11-03 02:17:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-11-03 02:17:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-11-03 02:17:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-11-03 02:17:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:17:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:17:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-03 02:17:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-03 02:17:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-11-03 02:17:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-11-03 02:17:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-11-03 02:17:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-11-03 02:17:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:17:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:17:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:17:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:17:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:17:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:17:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-11-03 02:17:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-11-03 02:17:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-11-03 02:17:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-11-03 02:17:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:17:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:17:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-11-03 02:17:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-11-03 02:17:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:17:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-03 02:17:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-03 02:17:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:17:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:17:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-11-03 02:17:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-11-03 02:17:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-11-03 02:17:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-11-03 02:17:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-11-03 02:17:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-11-03 02:17:31,414 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-11-03 02:17:31,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-11-03 02:17:31,415 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 02:17:31,415 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 02:17:31,416 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-11-03 02:17:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-11-03 02:17:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-11-03 02:17:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-11-03 02:17:31,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:17:31,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:17:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-11-03 02:17:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-11-03 02:17:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-11-03 02:17:31,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-11-03 02:17:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-03 02:17:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-03 02:17:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:17:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:17:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:17:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-03 02:17:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-03 02:17:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:17:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:17:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-03 02:17:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-03 02:17:32,541 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:17:32,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:17:33,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:17:34,831 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1244#1.base, #t~mem1244#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-11-03 02:17:34,833 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895: SUMMARY for call lmc_trace(#t~mem1244#1.base, #t~mem1244#1.offset, 129, 0); srcloc: null [2022-11-03 02:17:34,834 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L12895-1: havoc #t~mem1244#1.base, #t~mem1244#1.offset; [2022-11-03 02:17:38,778 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:17:38,921 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:17:40,701 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:17:40,701 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:17:40,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:17:40 BoogieIcfgContainer [2022-11-03 02:17:40,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:17:40,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:17:40,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:17:40,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:17:40,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:17:25" (1/3) ... [2022-11-03 02:17:40,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6b97bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:17:40, skipping insertion in model container [2022-11-03 02:17:40,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:17:30" (2/3) ... [2022-11-03 02:17:40,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6b97bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:17:40, skipping insertion in model container [2022-11-03 02:17:40,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:17:40" (3/3) ... [2022-11-03 02:17:40,716 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-11-03 02:17:40,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:17:40,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:17:40,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:17:40,851 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;@c7d789e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:17:40,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:17:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 2010 states, 1113 states have (on average 1.311769991015274) internal successors, (1460), 1181 states have internal predecessors, (1460), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) [2022-11-03 02:17:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-03 02:17:40,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:40,902 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:40,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:17:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash 648889085, now seen corresponding path program 1 times [2022-11-03 02:17:40,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:40,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515047048] [2022-11-03 02:17:40,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2022-11-03 02:17:41,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:41,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515047048] [2022-11-03 02:17:41,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515047048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:41,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:41,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:17:42,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89306930] [2022-11-03 02:17:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:42,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:17:42,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:42,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:17:42,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:17:42,052 INFO L87 Difference]: Start difference. First operand has 2010 states, 1113 states have (on average 1.311769991015274) internal successors, (1460), 1181 states have internal predecessors, (1460), 777 states have call successors, (777), 120 states have call predecessors, (777), 119 states have return successors, (770), 727 states have call predecessors, (770), 770 states have call successors, (770) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 02:17:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:45,161 INFO L93 Difference]: Finished difference Result 5785 states and 8722 transitions. [2022-11-03 02:17:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:17:45,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 189 [2022-11-03 02:17:45,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:45,209 INFO L225 Difference]: With dead ends: 5785 [2022-11-03 02:17:45,210 INFO L226 Difference]: Without dead ends: 3746 [2022-11-03 02:17:45,229 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 02:17:45,232 INFO L413 NwaCegarLoop]: 3421 mSDtfsCounter, 2683 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 6031 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:45,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 6031 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:17:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2022-11-03 02:17:45,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3743. [2022-11-03 02:17:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2102 states have (on average 1.30732635585157) internal successors, (2748), 2233 states have internal predecessors, (2748), 1413 states have call successors, (1413), 227 states have call predecessors, (1413), 227 states have return successors, (1413), 1327 states have call predecessors, (1413), 1413 states have call successors, (1413) [2022-11-03 02:17:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5574 transitions. [2022-11-03 02:17:45,596 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5574 transitions. Word has length 189 [2022-11-03 02:17:45,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:45,599 INFO L495 AbstractCegarLoop]: Abstraction has 3743 states and 5574 transitions. [2022-11-03 02:17:45,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 02:17:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5574 transitions. [2022-11-03 02:17:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-03 02:17:45,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:45,632 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:17:45,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:17:45,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:17:45,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:45,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1591075597, now seen corresponding path program 1 times [2022-11-03 02:17:45,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:45,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552981234] [2022-11-03 02:17:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:45,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2022-11-03 02:17:46,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:46,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552981234] [2022-11-03 02:17:46,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552981234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:46,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:46,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:17:46,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021939228] [2022-11-03 02:17:46,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:46,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:17:46,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:17:46,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:17:46,064 INFO L87 Difference]: Start difference. First operand 3743 states and 5574 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 02:17:48,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:48,938 INFO L93 Difference]: Finished difference Result 10501 states and 15613 transitions. [2022-11-03 02:17:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:17:48,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 238 [2022-11-03 02:17:48,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:48,994 INFO L225 Difference]: With dead ends: 10501 [2022-11-03 02:17:48,995 INFO L226 Difference]: Without dead ends: 6789 [2022-11-03 02:17:49,021 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 02:17:49,023 INFO L413 NwaCegarLoop]: 3223 mSDtfsCounter, 2384 mSDsluCounter, 2894 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2384 SdHoareTripleChecker+Valid, 5785 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:49,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2384 Valid, 5785 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:17:49,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6789 states. [2022-11-03 02:17:49,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 6780. [2022-11-03 02:17:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6780 states, 3823 states have (on average 1.3055192257389485) internal successors, (4991), 4069 states have internal predecessors, (4991), 2520 states have call successors, (2520), 436 states have call predecessors, (2520), 436 states have return successors, (2556), 2349 states have call predecessors, (2556), 2520 states have call successors, (2556) [2022-11-03 02:17:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6780 states to 6780 states and 10067 transitions. [2022-11-03 02:17:49,467 INFO L78 Accepts]: Start accepts. Automaton has 6780 states and 10067 transitions. Word has length 238 [2022-11-03 02:17:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:49,468 INFO L495 AbstractCegarLoop]: Abstraction has 6780 states and 10067 transitions. [2022-11-03 02:17:49,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 02:17:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 6780 states and 10067 transitions. [2022-11-03 02:17:49,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-03 02:17:49,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:49,485 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 5, 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] [2022-11-03 02:17:49,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:17:49,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:17:49,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1814113133, now seen corresponding path program 1 times [2022-11-03 02:17:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:49,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515358278] [2022-11-03 02:17:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:49,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2022-11-03 02:17:50,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:50,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515358278] [2022-11-03 02:17:50,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515358278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:50,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:50,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:17:50,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864666827] [2022-11-03 02:17:50,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:50,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:17:50,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:50,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:17:50,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:17:50,121 INFO L87 Difference]: Start difference. First operand 6780 states and 10067 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:17:53,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:53,397 INFO L93 Difference]: Finished difference Result 19762 states and 29366 transitions. [2022-11-03 02:17:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:17:53,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 248 [2022-11-03 02:17:53,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:53,558 INFO L225 Difference]: With dead ends: 19762 [2022-11-03 02:17:53,558 INFO L226 Difference]: Without dead ends: 13013 [2022-11-03 02:17:53,628 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 02:17:53,631 INFO L413 NwaCegarLoop]: 3314 mSDtfsCounter, 2690 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2690 SdHoareTripleChecker+Valid, 5903 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:53,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2690 Valid, 5903 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:17:53,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13013 states. [2022-11-03 02:17:54,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13013 to 13003. [2022-11-03 02:17:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13003 states, 7297 states have (on average 1.3031382760038372) internal successors, (9509), 7781 states have internal predecessors, (9509), 4853 states have call successors, (4853), 852 states have call predecessors, (4853), 852 states have return successors, (4962), 4503 states have call predecessors, (4962), 4853 states have call successors, (4962) [2022-11-03 02:17:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13003 states to 13003 states and 19324 transitions. [2022-11-03 02:17:54,616 INFO L78 Accepts]: Start accepts. Automaton has 13003 states and 19324 transitions. Word has length 248 [2022-11-03 02:17:54,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:17:54,618 INFO L495 AbstractCegarLoop]: Abstraction has 13003 states and 19324 transitions. [2022-11-03 02:17:54,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:17:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 13003 states and 19324 transitions. [2022-11-03 02:17:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-03 02:17:54,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:17:54,639 INFO L195 NwaCegarLoop]: trace histogram [19, 15, 15, 15, 15, 15, 15, 5, 5, 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] [2022-11-03 02:17:54,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:17:54,640 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:17:54,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:17:54,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1456206894, now seen corresponding path program 1 times [2022-11-03 02:17:54,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:17:54,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354322397] [2022-11-03 02:17:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:17:54,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:17:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:17:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-11-03 02:17:55,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:17:55,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354322397] [2022-11-03 02:17:55,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354322397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:17:55,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:17:55,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:17:55,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249279577] [2022-11-03 02:17:55,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:17:55,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:17:55,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:17:55,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:17:55,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:17:55,074 INFO L87 Difference]: Start difference. First operand 13003 states and 19324 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 02:17:59,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:17:59,486 INFO L93 Difference]: Finished difference Result 32121 states and 47771 transitions. [2022-11-03 02:17:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:17:59,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 238 [2022-11-03 02:17:59,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:17:59,642 INFO L225 Difference]: With dead ends: 32121 [2022-11-03 02:17:59,642 INFO L226 Difference]: Without dead ends: 19149 [2022-11-03 02:17:59,737 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 02:17:59,741 INFO L413 NwaCegarLoop]: 4905 mSDtfsCounter, 2630 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 7445 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:17:59,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 7445 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 02:17:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19149 states. [2022-11-03 02:18:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19149 to 19143. [2022-11-03 02:18:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19143 states, 10753 states have (on average 1.3029852134288105) internal successors, (14011), 11473 states have internal predecessors, (14011), 7133 states have call successors, (7133), 1256 states have call predecessors, (7133), 1256 states have return successors, (7284), 6609 states have call predecessors, (7284), 7133 states have call successors, (7284) [2022-11-03 02:18:01,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19143 states to 19143 states and 28428 transitions. [2022-11-03 02:18:01,396 INFO L78 Accepts]: Start accepts. Automaton has 19143 states and 28428 transitions. Word has length 238 [2022-11-03 02:18:01,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:01,397 INFO L495 AbstractCegarLoop]: Abstraction has 19143 states and 28428 transitions. [2022-11-03 02:18:01,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 02:18:01,397 INFO L276 IsEmpty]: Start isEmpty. Operand 19143 states and 28428 transitions. [2022-11-03 02:18:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-11-03 02:18:01,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:01,430 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:18:01,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:18:01,430 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:18:01,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:01,431 INFO L85 PathProgramCache]: Analyzing trace with hash -78506254, now seen corresponding path program 1 times [2022-11-03 02:18:01,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:01,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990675548] [2022-11-03 02:18:01,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:01,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2022-11-03 02:18:01,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:01,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990675548] [2022-11-03 02:18:01,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990675548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:01,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:01,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:18:01,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199144588] [2022-11-03 02:18:01,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:01,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:01,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:01,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:01,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:01,969 INFO L87 Difference]: Start difference. First operand 19143 states and 28428 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:18:05,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:05,929 INFO L93 Difference]: Finished difference Result 56423 states and 83743 transitions. [2022-11-03 02:18:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:05,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 328 [2022-11-03 02:18:05,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:06,181 INFO L225 Difference]: With dead ends: 56423 [2022-11-03 02:18:06,181 INFO L226 Difference]: Without dead ends: 37311 [2022-11-03 02:18:06,290 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 02:18:06,290 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 2843 mSDsluCounter, 2870 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 6064 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:06,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 6064 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 02:18:06,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37311 states. [2022-11-03 02:18:08,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37311 to 37253. [2022-11-03 02:18:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37253 states, 20921 states have (on average 1.3041919602313465) internal successors, (27285), 22357 states have internal predecessors, (27285), 13855 states have call successors, (13855), 2476 states have call predecessors, (13855), 2476 states have return successors, (14152), 12799 states have call predecessors, (14152), 13855 states have call successors, (14152) [2022-11-03 02:18:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37253 states to 37253 states and 55292 transitions. [2022-11-03 02:18:09,332 INFO L78 Accepts]: Start accepts. Automaton has 37253 states and 55292 transitions. Word has length 328 [2022-11-03 02:18:09,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:09,336 INFO L495 AbstractCegarLoop]: Abstraction has 37253 states and 55292 transitions. [2022-11-03 02:18:09,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:18:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 37253 states and 55292 transitions. [2022-11-03 02:18:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-11-03 02:18:09,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:09,382 INFO L195 NwaCegarLoop]: trace histogram [17, 15, 15, 15, 15, 15, 15, 12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:18:09,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:18:09,383 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:18:09,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:09,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1780311672, now seen corresponding path program 1 times [2022-11-03 02:18:09,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:09,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218693544] [2022-11-03 02:18:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:09,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-11-03 02:18:10,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:10,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218693544] [2022-11-03 02:18:10,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218693544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:10,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:10,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:18:10,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969929663] [2022-11-03 02:18:10,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:10,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:18:10,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:10,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:18:10,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:18:10,067 INFO L87 Difference]: Start difference. First operand 37253 states and 55292 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-03 02:18:14,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:18:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:17,174 INFO L93 Difference]: Finished difference Result 111661 states and 165724 transitions. [2022-11-03 02:18:17,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:18:17,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 350 [2022-11-03 02:18:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:17,941 INFO L225 Difference]: With dead ends: 111661 [2022-11-03 02:18:17,941 INFO L226 Difference]: Without dead ends: 74439 [2022-11-03 02:18:18,155 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 02:18:18,156 INFO L413 NwaCegarLoop]: 3753 mSDtfsCounter, 2870 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 6340 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:18,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 6340 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:18:18,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74439 states. [2022-11-03 02:18:21,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74439 to 74389. [2022-11-03 02:18:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74389 states, 41765 states have (on average 1.30360349575003) internal successors, (54445), 44673 states have internal predecessors, (54445), 27671 states have call successors, (27671), 4952 states have call predecessors, (27671), 4952 states have return successors, (28265), 25523 states have call predecessors, (28265), 27671 states have call successors, (28265) [2022-11-03 02:18:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74389 states to 74389 states and 110381 transitions. [2022-11-03 02:18:23,186 INFO L78 Accepts]: Start accepts. Automaton has 74389 states and 110381 transitions. Word has length 350 [2022-11-03 02:18:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:18:23,188 INFO L495 AbstractCegarLoop]: Abstraction has 74389 states and 110381 transitions. [2022-11-03 02:18:23,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-03 02:18:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 74389 states and 110381 transitions. [2022-11-03 02:18:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-03 02:18:23,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:18:23,272 INFO L195 NwaCegarLoop]: trace histogram [21, 15, 15, 15, 15, 15, 15, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:18:23,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:18:23,272 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:18:23,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:18:23,273 INFO L85 PathProgramCache]: Analyzing trace with hash -89679561, now seen corresponding path program 1 times [2022-11-03 02:18:23,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:18:23,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077940542] [2022-11-03 02:18:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:18:23,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:18:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:18:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2022-11-03 02:18:28,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:18:28,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077940542] [2022-11-03 02:18:28,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077940542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:18:28,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:18:28,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:18:28,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794982068] [2022-11-03 02:18:28,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:18:28,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:18:28,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:18:28,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:18:28,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:18:28,257 INFO L87 Difference]: Start difference. First operand 74389 states and 110381 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:18:45,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:18:45,749 INFO L93 Difference]: Finished difference Result 128959 states and 191594 transitions. [2022-11-03 02:18:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:18:45,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 300 [2022-11-03 02:18:45,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:18:46,709 INFO L225 Difference]: With dead ends: 128959 [2022-11-03 02:18:46,709 INFO L226 Difference]: Without dead ends: 128957 [2022-11-03 02:18:46,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:18:46,772 INFO L413 NwaCegarLoop]: 3505 mSDtfsCounter, 2209 mSDsluCounter, 13517 mSDsCounter, 0 mSdLazyCounter, 3313 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 15399 SdHoareTripleChecker+Invalid, 3317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:18:46,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 15399 Invalid, 3317 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 3313 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 02:18:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128957 states.