./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-ethernet-amd-amd8111e.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_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/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_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/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_589ceedb-f22a-4c17-954d-1f51a2259ba3/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 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff --- 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 02:33:55,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:33:55,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:33:55,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:33:55,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:33:55,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:33:55,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:33:55,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:33:55,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:33:55,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:33:55,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:33:55,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:33:55,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:33:55,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:33:55,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:33:55,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:33:55,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:33:55,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:33:55,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:33:55,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:33:55,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:33:55,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:33:55,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:33:55,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:33:55,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:33:55,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:33:55,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:33:55,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:33:55,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:33:55,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:33:55,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:33:55,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:33:55,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:33:55,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:33:55,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:33:55,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:33:55,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:33:55,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:33:55,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:33:55,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:33:55,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:33:55,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:33:55,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:33:55,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:33:55,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:33:55,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:33:55,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:33:55,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:33:55,542 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:33:55,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:33:55,542 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:33:55,543 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:33:55,544 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:33:55,544 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:33:55,544 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:33:55,544 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:33:55,545 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:33:55,545 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:33:55,545 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:33:55,545 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:33:55,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:33:55,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:33:55,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:33:55,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:33:55,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:33:55,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:33:55,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:33:55,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:33:55,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:33:55,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:33:55,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:33:55,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:55,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:33:55,551 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:33:55,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:33:55,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:33:55,551 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:33:55,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:33:55,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:33:55,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:33:55,552 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff [2022-11-03 02:33:55,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:33:55,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:33:55,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:33:55,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:33:55,871 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:33:55,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-11-03 02:33:55,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/061570239/f4827b446ba042be828c8c3c0a446212/FLAG356dac64d [2022-11-03 02:33:56,883 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:33:56,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-11-03 02:33:56,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/061570239/f4827b446ba042be828c8c3c0a446212/FLAG356dac64d [2022-11-03 02:33:57,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/061570239/f4827b446ba042be828c8c3c0a446212 [2022-11-03 02:33:57,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:33:57,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:33:57,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:57,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:33:57,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:33:57,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:57" (1/1) ... [2022-11-03 02:33:57,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e43af46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:57, skipping insertion in model container [2022-11-03 02:33:57,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:57" (1/1) ... [2022-11-03 02:33:57,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:33:57,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:34:00,469 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2022-11-03 02:34:00,473 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2022-11-03 02:34:00,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:00,561 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:34:01,019 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2022-11-03 02:34:01,020 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2022-11-03 02:34:01,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:01,298 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:34:01,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01 WrapperNode [2022-11-03 02:34:01,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:34:01,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:01,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:34:01,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:34:01,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,669 INFO L138 Inliner]: procedures = 454, calls = 1901, calls flagged for inlining = 226, calls inlined = 205, statements flattened = 4690 [2022-11-03 02:34:01,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:01,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:34:01,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:34:01,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:34:01,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:34:01,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:34:01,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:34:01,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:34:01,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:34:01,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:01,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:34:02,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:34:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:34:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:34:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-11-03 02:34:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-11-03 02:34:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:34:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:34:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 02:34:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 02:34:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2022-11-03 02:34:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2022-11-03 02:34:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:34:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:34:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:34:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:34:02,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2022-11-03 02:34:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2022-11-03 02:34:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:34:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:34:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 02:34:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 02:34:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:34:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:34:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:34:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:34:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:34:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:34:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:34:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:34:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:34:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:34:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:34:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:34:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:34:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:34:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-03 02:34:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-03 02:34:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:34:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:34:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:34:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:34:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:34:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 02:34:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 02:34:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-11-03 02:34:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-11-03 02:34:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:34:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:34:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-11-03 02:34:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-11-03 02:34:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:34:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2022-11-03 02:34:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2022-11-03 02:34:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:34:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:34:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-11-03 02:34:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-11-03 02:34:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:34:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2022-11-03 02:34:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2022-11-03 02:34:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:34:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:34:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:34:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:34:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:34:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:34:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:34:02,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:34:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:34:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:34:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:34:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:34:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:34:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:34:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:34:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-11-03 02:34:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-11-03 02:34:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:34:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:34:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:34:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:34:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:34:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-11-03 02:34:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-11-03 02:34:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:34:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:34:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:34:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:34:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:34:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:34:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:34:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:34:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:34:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:34:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:34:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:34:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:34:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:34:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:34:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:34:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-11-03 02:34:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-11-03 02:34:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:34:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:34:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 02:34:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 02:34:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:34:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:34:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-11-03 02:34:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-11-03 02:34:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:34:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:34:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:34:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:34:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:34:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:34:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 02:34:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 02:34:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 02:34:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 02:34:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-03 02:34:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-03 02:34:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:34:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:34:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2022-11-03 02:34:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2022-11-03 02:34:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:34:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:34:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:34:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:34:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:34:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:34:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-11-03 02:34:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-11-03 02:34:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-11-03 02:34:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-11-03 02:34:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:34:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:34:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-11-03 02:34:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-11-03 02:34:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:34:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:34:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-11-03 02:34:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-11-03 02:34:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:34:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:34:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:34:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:34:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:34:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:34:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 02:34:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 02:34:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:34:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 02:34:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 02:34:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:34:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:34:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:34:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2022-11-03 02:34:02,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2022-11-03 02:34:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-11-03 02:34:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-11-03 02:34:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:34:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:34:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-11-03 02:34:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-11-03 02:34:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:34:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-11-03 02:34:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-11-03 02:34:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:34:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:34:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:34:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:34:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:34:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:34:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-11-03 02:34:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-11-03 02:34:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 02:34:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 02:34:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:34:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:34:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:34:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:34:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:34:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:34:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:34:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:34:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:34:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:34:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:34:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-11-03 02:34:02,099 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-11-03 02:34:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:34:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:34:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-11-03 02:34:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-11-03 02:34:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-11-03 02:34:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-11-03 02:34:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:34:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:34:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:34:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:34:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2022-11-03 02:34:02,100 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2022-11-03 02:34:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:34:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:34:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:34:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-11-03 02:34:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-11-03 02:34:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:34:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:34:02,941 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:34:02,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:34:03,647 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:34:06,375 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:34:06,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:34:07,801 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:34:07,801 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:34:07,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:34:07 BoogieIcfgContainer [2022-11-03 02:34:07,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:34:07,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:34:07,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:34:07,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:34:07,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:33:57" (1/3) ... [2022-11-03 02:34:07,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60332a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:34:07, skipping insertion in model container [2022-11-03 02:34:07,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (2/3) ... [2022-11-03 02:34:07,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60332a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:34:07, skipping insertion in model container [2022-11-03 02:34:07,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:34:07" (3/3) ... [2022-11-03 02:34:07,825 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-11-03 02:34:07,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:34:07,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:34:07,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:34:07,975 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;@3961a4c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:34:07,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:34:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 1387 states, 769 states have (on average 1.2808842652795838) internal successors, (985), 800 states have internal predecessors, (985), 520 states have call successors, (520), 98 states have call predecessors, (520), 97 states have return successors, (515), 506 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-03 02:34:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-03 02:34:08,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:08,049 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:08,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:08,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:08,057 INFO L85 PathProgramCache]: Analyzing trace with hash 744197101, now seen corresponding path program 1 times [2022-11-03 02:34:08,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:08,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654896123] [2022-11-03 02:34:08,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:08,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-03 02:34:09,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:09,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654896123] [2022-11-03 02:34:09,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654896123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:09,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:09,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:09,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660665867] [2022-11-03 02:34:09,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:09,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:09,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:09,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:09,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:09,083 INFO L87 Difference]: Start difference. First operand has 1387 states, 769 states have (on average 1.2808842652795838) internal successors, (985), 800 states have internal predecessors, (985), 520 states have call successors, (520), 98 states have call predecessors, (520), 97 states have return successors, (515), 506 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 02:34:11,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:11,321 INFO L93 Difference]: Finished difference Result 3637 states and 5313 transitions. [2022-11-03 02:34:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:11,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 209 [2022-11-03 02:34:11,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:11,356 INFO L225 Difference]: With dead ends: 3637 [2022-11-03 02:34:11,356 INFO L226 Difference]: Without dead ends: 2220 [2022-11-03 02:34:11,368 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 02:34:11,371 INFO L413 NwaCegarLoop]: 2063 mSDtfsCounter, 1269 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:11,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 3781 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:34:11,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2022-11-03 02:34:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2217. [2022-11-03 02:34:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2217 states, 1264 states have (on average 1.2776898734177216) internal successors, (1615), 1314 states have internal predecessors, (1615), 788 states have call successors, (788), 164 states have call predecessors, (788), 164 states have return successors, (788), 773 states have call predecessors, (788), 788 states have call successors, (788) [2022-11-03 02:34:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 3191 transitions. [2022-11-03 02:34:11,655 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 3191 transitions. Word has length 209 [2022-11-03 02:34:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:11,656 INFO L495 AbstractCegarLoop]: Abstraction has 2217 states and 3191 transitions. [2022-11-03 02:34:11,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 02:34:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 3191 transitions. [2022-11-03 02:34:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-03 02:34:11,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:11,668 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 5, 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] [2022-11-03 02:34:11,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:34:11,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:11,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:11,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1375175326, now seen corresponding path program 1 times [2022-11-03 02:34:11,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:11,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590351428] [2022-11-03 02:34:11,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:11,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-11-03 02:34:11,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:11,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590351428] [2022-11-03 02:34:11,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590351428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:11,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:11,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:11,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5905763] [2022-11-03 02:34:11,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:11,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:11,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:11,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:11,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:11,995 INFO L87 Difference]: Start difference. First operand 2217 states and 3191 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 02:34:14,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:14,617 INFO L93 Difference]: Finished difference Result 5817 states and 8346 transitions. [2022-11-03 02:34:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:14,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 197 [2022-11-03 02:34:14,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:14,644 INFO L225 Difference]: With dead ends: 5817 [2022-11-03 02:34:14,644 INFO L226 Difference]: Without dead ends: 3621 [2022-11-03 02:34:14,656 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 02:34:14,658 INFO L413 NwaCegarLoop]: 2138 mSDtfsCounter, 1627 mSDsluCounter, 1879 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 3797 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:14,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 3797 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:34:14,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3621 states. [2022-11-03 02:34:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3621 to 3617. [2022-11-03 02:34:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3617 states, 2058 states have (on average 1.272108843537415) internal successors, (2618), 2145 states have internal predecessors, (2618), 1276 states have call successors, (1276), 282 states have call predecessors, (1276), 282 states have return successors, (1279), 1246 states have call predecessors, (1279), 1276 states have call successors, (1279) [2022-11-03 02:34:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 5173 transitions. [2022-11-03 02:34:14,903 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 5173 transitions. Word has length 197 [2022-11-03 02:34:14,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:14,904 INFO L495 AbstractCegarLoop]: Abstraction has 3617 states and 5173 transitions. [2022-11-03 02:34:14,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 02:34:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5173 transitions. [2022-11-03 02:34:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-03 02:34:14,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:14,913 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 10, 10, 10, 10, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:14,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:34:14,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:14,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:14,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1062667201, now seen corresponding path program 1 times [2022-11-03 02:34:14,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:14,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637442410] [2022-11-03 02:34:14,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:14,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-11-03 02:34:16,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:16,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637442410] [2022-11-03 02:34:16,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637442410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:16,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:16,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:34:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415187626] [2022-11-03 02:34:16,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:16,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:34:16,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:16,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:34:16,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:34:16,017 INFO L87 Difference]: Start difference. First operand 3617 states and 5173 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:34:23,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:23,158 INFO L93 Difference]: Finished difference Result 10022 states and 14281 transitions. [2022-11-03 02:34:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:34:23,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 227 [2022-11-03 02:34:23,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:23,232 INFO L225 Difference]: With dead ends: 10022 [2022-11-03 02:34:23,232 INFO L226 Difference]: Without dead ends: 6426 [2022-11-03 02:34:23,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:34:23,259 INFO L413 NwaCegarLoop]: 3355 mSDtfsCounter, 3303 mSDsluCounter, 4481 mSDsCounter, 0 mSdLazyCounter, 2725 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 7065 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 2725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:23,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3383 Valid, 7065 Invalid, 3066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 2725 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-03 02:34:23,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6426 states. [2022-11-03 02:34:23,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6426 to 6414. [2022-11-03 02:34:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6414 states, 3672 states have (on average 1.2723311546840959) internal successors, (4672), 3828 states have internal predecessors, (4672), 2210 states have call successors, (2210), 531 states have call predecessors, (2210), 531 states have return successors, (2213), 2158 states have call predecessors, (2213), 2210 states have call successors, (2213) [2022-11-03 02:34:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6414 states to 6414 states and 9095 transitions. [2022-11-03 02:34:23,750 INFO L78 Accepts]: Start accepts. Automaton has 6414 states and 9095 transitions. Word has length 227 [2022-11-03 02:34:23,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:23,750 INFO L495 AbstractCegarLoop]: Abstraction has 6414 states and 9095 transitions. [2022-11-03 02:34:23,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:34:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 6414 states and 9095 transitions. [2022-11-03 02:34:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-03 02:34:23,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:23,763 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 10, 10, 5, 3, 3, 3, 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] [2022-11-03 02:34:23,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:34:23,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:23,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:23,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1190170734, now seen corresponding path program 1 times [2022-11-03 02:34:23,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:23,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964738873] [2022-11-03 02:34:23,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2022-11-03 02:34:24,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:24,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964738873] [2022-11-03 02:34:24,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964738873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:24,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:24,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:24,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32591871] [2022-11-03 02:34:24,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:24,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:24,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:24,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:24,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:24,204 INFO L87 Difference]: Start difference. First operand 6414 states and 9095 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:34:26,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:26,825 INFO L93 Difference]: Finished difference Result 12891 states and 18341 transitions. [2022-11-03 02:34:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:26,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 314 [2022-11-03 02:34:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:26,868 INFO L225 Difference]: With dead ends: 12891 [2022-11-03 02:34:26,869 INFO L226 Difference]: Without dead ends: 6498 [2022-11-03 02:34:26,898 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 02:34:26,908 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 10 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3399 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:26,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3399 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:34:26,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6498 states. [2022-11-03 02:34:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6498 to 6426. [2022-11-03 02:34:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6426 states, 3684 states have (on average 1.271444082519001) internal successors, (4684), 3840 states have internal predecessors, (4684), 2210 states have call successors, (2210), 531 states have call predecessors, (2210), 531 states have return successors, (2213), 2158 states have call predecessors, (2213), 2210 states have call successors, (2213) [2022-11-03 02:34:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6426 states to 6426 states and 9107 transitions. [2022-11-03 02:34:27,318 INFO L78 Accepts]: Start accepts. Automaton has 6426 states and 9107 transitions. Word has length 314 [2022-11-03 02:34:27,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:27,320 INFO L495 AbstractCegarLoop]: Abstraction has 6426 states and 9107 transitions. [2022-11-03 02:34:27,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:34:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 6426 states and 9107 transitions. [2022-11-03 02:34:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-11-03 02:34:27,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:27,334 INFO L195 NwaCegarLoop]: trace histogram [16, 10, 10, 10, 10, 10, 10, 9, 9, 5, 3, 3, 3, 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] [2022-11-03 02:34:27,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:34:27,334 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:27,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:27,335 INFO L85 PathProgramCache]: Analyzing trace with hash -2063416666, now seen corresponding path program 1 times [2022-11-03 02:34:27,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:27,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776476362] [2022-11-03 02:34:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:27,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-11-03 02:34:27,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:27,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776476362] [2022-11-03 02:34:27,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776476362] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:34:27,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919063705] [2022-11-03 02:34:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:27,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:34:27,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:27,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:34:27,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:34:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:29,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:34:29,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:34:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-11-03 02:34:29,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:34:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-11-03 02:34:29,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919063705] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:34:29,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [498002950] [2022-11-03 02:34:29,569 INFO L159 IcfgInterpreter]: Started Sifa with 175 locations of interest [2022-11-03 02:34:29,569 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:34:29,574 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:34:29,580 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:34:29,580 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:39:24,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:39:24,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:39:24,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:39:24,613 INFO L158 Benchmark]: Toolchain (without parser) took 327353.81ms. Allocated memory was 96.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 62.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-03 02:39:24,614 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:39:24,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4038.62ms. Allocated memory was 96.5MB in the beginning and 195.0MB in the end (delta: 98.6MB). Free memory was 62.1MB in the beginning and 86.4MB in the end (delta: -24.4MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2022-11-03 02:39:24,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 370.07ms. Allocated memory is still 195.0MB. Free memory was 86.4MB in the beginning and 107.0MB in the end (delta: -20.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-11-03 02:39:24,615 INFO L158 Benchmark]: Boogie Preprocessor took 248.27ms. Allocated memory is still 195.0MB. Free memory was 107.0MB in the beginning and 76.6MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-03 02:39:24,615 INFO L158 Benchmark]: RCFGBuilder took 5893.57ms. Allocated memory was 195.0MB in the beginning and 421.5MB in the end (delta: 226.5MB). Free memory was 76.6MB in the beginning and 282.2MB in the end (delta: -205.6MB). Peak memory consumption was 223.3MB. Max. memory is 16.1GB. [2022-11-03 02:39:24,615 INFO L158 Benchmark]: TraceAbstraction took 316795.32ms. Allocated memory was 421.5MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 281.2MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-03 02:39:24,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4038.62ms. Allocated memory was 96.5MB in the beginning and 195.0MB in the end (delta: 98.6MB). Free memory was 62.1MB in the beginning and 86.4MB in the end (delta: -24.4MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 370.07ms. Allocated memory is still 195.0MB. Free memory was 86.4MB in the beginning and 107.0MB in the end (delta: -20.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 248.27ms. Allocated memory is still 195.0MB. Free memory was 107.0MB in the beginning and 76.6MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5893.57ms. Allocated memory was 195.0MB in the beginning and 421.5MB in the end (delta: 226.5MB). Free memory was 76.6MB in the beginning and 282.2MB in the end (delta: -205.6MB). Peak memory consumption was 223.3MB. Max. memory is 16.1GB. * TraceAbstraction took 316795.32ms. Allocated memory was 421.5MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 281.2MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-03 02:39:24,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/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_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/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 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff --- 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 02:39:27,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:39:27,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:39:27,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:39:27,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:39:27,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:39:27,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:39:27,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:39:27,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:39:27,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:39:27,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:39:27,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:39:27,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:39:27,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:39:27,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:39:27,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:39:27,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:39:27,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:39:27,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:39:27,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:39:27,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:39:27,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:39:27,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:39:27,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:39:27,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:39:27,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:39:27,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:39:27,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:39:27,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:39:27,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:39:27,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:39:27,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:39:27,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:39:27,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:39:27,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:39:27,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:39:27,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:39:27,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:39:27,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:39:27,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:39:27,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:39:27,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:39:27,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:39:27,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:39:27,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:39:27,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:39:27,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:39:27,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:39:27,668 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:39:27,669 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:39:27,669 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:39:27,669 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:39:27,671 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:39:27,671 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:39:27,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:39:27,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:39:27,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:39:27,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:39:27,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:39:27,674 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:39:27,674 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:39:27,675 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:39:27,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:39:27,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:39:27,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:39:27,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:39:27,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:39:27,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:39:27,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:27,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:39:27,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:39:27,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:39:27,678 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:39:27,678 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:39:27,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:39:27,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:39:27,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:39:27,679 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b3ea3bfb5fa1a0ecb86372fd7d66f0cc10d9707b974c24e5c8a286e565a46ff [2022-11-03 02:39:28,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:39:28,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:39:28,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:39:28,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:39:28,171 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:39:28,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-11-03 02:39:28,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/bc7f7bd47/03b4831616844079b957f40ce9c7138d/FLAGa2ddc41b7 [2022-11-03 02:39:29,580 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:39:29,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-11-03 02:39:29,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/bc7f7bd47/03b4831616844079b957f40ce9c7138d/FLAGa2ddc41b7 [2022-11-03 02:39:29,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/data/bc7f7bd47/03b4831616844079b957f40ce9c7138d [2022-11-03 02:39:29,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:39:29,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:39:29,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:29,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:39:29,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:39:29,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:29,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579548b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:29, skipping insertion in model container [2022-11-03 02:39:29,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:29" (1/1) ... [2022-11-03 02:39:29,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:39:30,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:39:33,580 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2022-11-03 02:39:33,583 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2022-11-03 02:39:33,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:33,650 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 02:39:33,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:39:34,265 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2022-11-03 02:39:34,266 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2022-11-03 02:39:34,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:34,340 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:39:34,800 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335455,335468] [2022-11-03 02:39:34,800 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_589ceedb-f22a-4c17-954d-1f51a2259ba3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335600,335613] [2022-11-03 02:39:34,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:35,291 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:39:35,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35 WrapperNode [2022-11-03 02:39:35,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:35,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:35,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:39:35,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:39:35,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,627 INFO L138 Inliner]: procedures = 468, calls = 1901, calls flagged for inlining = 226, calls inlined = 205, statements flattened = 4495 [2022-11-03 02:39:35,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:35,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:39:35,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:39:35,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:39:35,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:35,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:36,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:39:36,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:39:36,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:39:36,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:39:36,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (1/1) ... [2022-11-03 02:39:36,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:36,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:39:36,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:39:36,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:39:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:39:36,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:39:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-11-03 02:39:36,139 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-11-03 02:39:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:39:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:39:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 02:39:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 02:39:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2022-11-03 02:39:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2022-11-03 02:39:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:39:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:39:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:39:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:39:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2022-11-03 02:39:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2022-11-03 02:39:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:39:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:39:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 02:39:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 02:39:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:39:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:39:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:39:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:39:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:39:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:39:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:39:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:39:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:39:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:39:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:39:36,145 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:39:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:39:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:39:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-03 02:39:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-03 02:39:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:39:36,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:39:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:39:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:39:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:39:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:39:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 02:39:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 02:39:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 02:39:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 02:39:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-11-03 02:39:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-11-03 02:39:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:39:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:39:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-11-03 02:39:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-11-03 02:39:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2022-11-03 02:39:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2022-11-03 02:39:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:39:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:39:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-11-03 02:39:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-11-03 02:39:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2022-11-03 02:39:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2022-11-03 02:39:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:39:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:39:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:39:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:39:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:39:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:39:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:39:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:39:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:39:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:39:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:39:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:39:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:39:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:39:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:39:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:39:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-11-03 02:39:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-11-03 02:39:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:39:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:39:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:39:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:39:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:39:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-11-03 02:39:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-11-03 02:39:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:39:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:39:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:39:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:39:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:39:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:39:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:39:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:39:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-03 02:39:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-03 02:39:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-03 02:39:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:39:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:39:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:39:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:39:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:39:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:39:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-11-03 02:39:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-11-03 02:39:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 02:39:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 02:39:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 02:39:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 02:39:36,173 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:39:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:39:36,174 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-11-03 02:39:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-11-03 02:39:36,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:39:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:39:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:39:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:39:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:39:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:39:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-03 02:39:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 02:39:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 02:39:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 02:39:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 02:39:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-03 02:39:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-03 02:39:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:39:36,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:39:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2022-11-03 02:39:36,185 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2022-11-03 02:39:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 02:39:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 02:39:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:39:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:39:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 02:39:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:39:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:39:36,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:39:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:39:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:39:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-11-03 02:39:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-11-03 02:39:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-11-03 02:39:36,187 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-11-03 02:39:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:39:36,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:39:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-11-03 02:39:36,188 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-11-03 02:39:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:39:36,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:39:36,188 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-11-03 02:39:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-11-03 02:39:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:39:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:39:36,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:39:36,189 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:39:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:39:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:39:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 02:39:36,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 02:39:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:39:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 02:39:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 02:39:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:39:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:39:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:39:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2022-11-03 02:39:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2022-11-03 02:39:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-11-03 02:39:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-11-03 02:39:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:39:36,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:39:36,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-03 02:39:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 02:39:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-11-03 02:39:36,193 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-11-03 02:39:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-03 02:39:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:39:36,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:39:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-11-03 02:39:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-11-03 02:39:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:39:36,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:39:36,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:39:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:39:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:39:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:39:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-11-03 02:39:36,195 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-11-03 02:39:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 02:39:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 02:39:36,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:39:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:39:36,196 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:39:36,196 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:39:36,196 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:39:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:39:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:39:36,197 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:39:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-03 02:39:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-03 02:39:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-03 02:39:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-03 02:39:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:39:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:39:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-11-03 02:39:36,198 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-11-03 02:39:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:39:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:39:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-11-03 02:39:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-11-03 02:39:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-11-03 02:39:36,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-11-03 02:39:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:39:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:39:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:39:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:39:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2022-11-03 02:39:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2022-11-03 02:39:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:39:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:39:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-11-03 02:39:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-11-03 02:39:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:39:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:39:37,651 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:39:37,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:39:45,328 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:40:16,586 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:40:16,873 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:40:16,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:40:16,892 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:40:16,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:16 BoogieIcfgContainer [2022-11-03 02:40:16,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:40:16,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:40:16,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:40:16,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:40:16,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:39:29" (1/3) ... [2022-11-03 02:40:16,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7710591b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:16, skipping insertion in model container [2022-11-03 02:40:16,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:35" (2/3) ... [2022-11-03 02:40:16,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7710591b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:16, skipping insertion in model container [2022-11-03 02:40:16,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:16" (3/3) ... [2022-11-03 02:40:16,906 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-11-03 02:40:16,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:40:16,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:40:17,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:40:17,091 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;@3f75f54d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:40:17,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:40:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 1811 states, 1193 states have (on average 1.250628667225482) internal successors, (1492), 1224 states have internal predecessors, (1492), 520 states have call successors, (520), 98 states have call predecessors, (520), 97 states have return successors, (515), 506 states have call predecessors, (515), 515 states have call successors, (515) [2022-11-03 02:40:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-03 02:40:17,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:17,160 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 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] [2022-11-03 02:40:17,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:17,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:17,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1077782691, now seen corresponding path program 1 times [2022-11-03 02:40:17,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:17,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292732283] [2022-11-03 02:40:17,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:17,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:17,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:17,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:17,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:40:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:19,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:19,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-11-03 02:40:19,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:19,256 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:19,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292732283] [2022-11-03 02:40:19,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292732283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:19,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:19,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:19,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24625426] [2022-11-03 02:40:19,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:19,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:19,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:19,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:19,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:19,310 INFO L87 Difference]: Start difference. First operand has 1811 states, 1193 states have (on average 1.250628667225482) internal successors, (1492), 1224 states have internal predecessors, (1492), 520 states have call successors, (520), 98 states have call predecessors, (520), 97 states have return successors, (515), 506 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 02:40:20,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:20,260 INFO L93 Difference]: Finished difference Result 5091 states and 7167 transitions. [2022-11-03 02:40:20,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:20,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 235 [2022-11-03 02:40:20,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:20,312 INFO L225 Difference]: With dead ends: 5091 [2022-11-03 02:40:20,313 INFO L226 Difference]: Without dead ends: 3238 [2022-11-03 02:40:20,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 233 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 02:40:20,341 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 2078 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:20,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 5406 Invalid, 77 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:40:20,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2022-11-03 02:40:20,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3234. [2022-11-03 02:40:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3234 states, 2130 states have (on average 1.2394366197183098) internal successors, (2640), 2188 states have internal predecessors, (2640), 913 states have call successors, (913), 190 states have call predecessors, (913), 190 states have return successors, (916), 893 states have call predecessors, (916), 913 states have call successors, (916) [2022-11-03 02:40:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 4469 transitions. [2022-11-03 02:40:20,737 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 4469 transitions. Word has length 235 [2022-11-03 02:40:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:20,741 INFO L495 AbstractCegarLoop]: Abstraction has 3234 states and 4469 transitions. [2022-11-03 02:40:20,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 02:40:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 4469 transitions. [2022-11-03 02:40:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-03 02:40:20,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:20,767 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:20,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:20,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:20,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1259776299, now seen corresponding path program 1 times [2022-11-03 02:40:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:20,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736809333] [2022-11-03 02:40:20,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:20,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:20,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:21,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:40:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:22,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:22,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-11-03 02:40:23,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:23,007 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:23,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736809333] [2022-11-03 02:40:23,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736809333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:23,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:23,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:23,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321861525] [2022-11-03 02:40:23,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:23,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:23,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:23,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:23,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:23,013 INFO L87 Difference]: Start difference. First operand 3234 states and 4469 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 02:40:23,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:23,855 INFO L93 Difference]: Finished difference Result 7945 states and 10977 transitions. [2022-11-03 02:40:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:23,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 218 [2022-11-03 02:40:23,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:23,897 INFO L225 Difference]: With dead ends: 7945 [2022-11-03 02:40:23,897 INFO L226 Difference]: Without dead ends: 4736 [2022-11-03 02:40:23,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 216 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 02:40:23,918 INFO L413 NwaCegarLoop]: 3512 mSDtfsCounter, 1558 mSDsluCounter, 2401 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 5913 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:23,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 5913 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:40:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2022-11-03 02:40:24,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4732. [2022-11-03 02:40:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 3173 states have (on average 1.2458241411913016) internal successors, (3953), 3260 states have internal predecessors, (3953), 1276 states have call successors, (1276), 282 states have call predecessors, (1276), 282 states have return successors, (1279), 1246 states have call predecessors, (1279), 1276 states have call successors, (1279) [2022-11-03 02:40:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6508 transitions. [2022-11-03 02:40:24,377 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6508 transitions. Word has length 218 [2022-11-03 02:40:24,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:24,381 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6508 transitions. [2022-11-03 02:40:24,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 02:40:24,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6508 transitions. [2022-11-03 02:40:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-03 02:40:24,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:24,395 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:24,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:24,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:24,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:24,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:24,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1573112842, now seen corresponding path program 1 times [2022-11-03 02:40:24,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:24,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648112185] [2022-11-03 02:40:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:24,625 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:24,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:24,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:24,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:40:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:26,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:26,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:26,794 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2022-11-03 02:40:26,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:26,795 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:26,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648112185] [2022-11-03 02:40:26,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648112185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:26,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:26,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:26,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189137847] [2022-11-03 02:40:26,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:26,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:26,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:26,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:26,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:26,799 INFO L87 Difference]: Start difference. First operand 4732 states and 6508 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:40:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:27,620 INFO L93 Difference]: Finished difference Result 10956 states and 15071 transitions. [2022-11-03 02:40:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:27,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 278 [2022-11-03 02:40:27,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:27,682 INFO L225 Difference]: With dead ends: 10956 [2022-11-03 02:40:27,683 INFO L226 Difference]: Without dead ends: 6249 [2022-11-03 02:40:27,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 276 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 02:40:27,715 INFO L413 NwaCegarLoop]: 4008 mSDtfsCounter, 1554 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 6398 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:27,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 6398 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:40:27,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6249 states. [2022-11-03 02:40:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6249 to 6245. [2022-11-03 02:40:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6245 states, 4222 states have (on average 1.2486972998578874) internal successors, (5272), 4338 states have internal predecessors, (5272), 1645 states have call successors, (1645), 377 states have call predecessors, (1645), 377 states have return successors, (1648), 1605 states have call predecessors, (1648), 1645 states have call successors, (1648) [2022-11-03 02:40:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6245 states to 6245 states and 8565 transitions. [2022-11-03 02:40:28,260 INFO L78 Accepts]: Start accepts. Automaton has 6245 states and 8565 transitions. Word has length 278 [2022-11-03 02:40:28,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:28,262 INFO L495 AbstractCegarLoop]: Abstraction has 6245 states and 8565 transitions. [2022-11-03 02:40:28,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-03 02:40:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 6245 states and 8565 transitions. [2022-11-03 02:40:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-11-03 02:40:28,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:28,281 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 9, 9, 9, 5, 5, 3, 3, 3, 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] [2022-11-03 02:40:28,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:28,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:28,506 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:28,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:28,507 INFO L85 PathProgramCache]: Analyzing trace with hash 2003043399, now seen corresponding path program 1 times [2022-11-03 02:40:28,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:28,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482325398] [2022-11-03 02:40:28,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:28,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:28,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:28,510 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:28,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:40:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:30,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:30,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-03 02:40:30,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:30,335 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:30,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482325398] [2022-11-03 02:40:30,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482325398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:30,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:30,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:30,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143192912] [2022-11-03 02:40:30,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:30,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:30,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:30,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:30,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:30,344 INFO L87 Difference]: Start difference. First operand 6245 states and 8565 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-03 02:40:31,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:31,145 INFO L93 Difference]: Finished difference Result 13963 states and 19153 transitions. [2022-11-03 02:40:31,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:31,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 352 [2022-11-03 02:40:31,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:31,200 INFO L225 Difference]: With dead ends: 13963 [2022-11-03 02:40:31,200 INFO L226 Difference]: Without dead ends: 7743 [2022-11-03 02:40:31,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 350 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 02:40:31,230 INFO L413 NwaCegarLoop]: 4009 mSDtfsCounter, 1558 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 6406 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:31,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 6406 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:40:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7743 states. [2022-11-03 02:40:31,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7743 to 7739. [2022-11-03 02:40:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7739 states, 5259 states have (on average 1.250998288648032) internal successors, (6579), 5404 states have internal predecessors, (6579), 2008 states have call successors, (2008), 471 states have call predecessors, (2008), 471 states have return successors, (2011), 1958 states have call predecessors, (2011), 2008 states have call successors, (2011) [2022-11-03 02:40:31,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7739 states to 7739 states and 10598 transitions. [2022-11-03 02:40:31,702 INFO L78 Accepts]: Start accepts. Automaton has 7739 states and 10598 transitions. Word has length 352 [2022-11-03 02:40:31,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:31,703 INFO L495 AbstractCegarLoop]: Abstraction has 7739 states and 10598 transitions. [2022-11-03 02:40:31,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-03 02:40:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7739 states and 10598 transitions. [2022-11-03 02:40:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-11-03 02:40:31,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:31,722 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 9, 9, 9, 5, 5, 3, 3, 3, 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] [2022-11-03 02:40:31,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:31,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:31,945 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:31,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:31,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2121484873, now seen corresponding path program 1 times [2022-11-03 02:40:31,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:31,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919318495] [2022-11-03 02:40:31,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:31,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:31,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:31,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:31,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:40:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:33,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:33,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-03 02:40:33,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:33,958 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:33,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919318495] [2022-11-03 02:40:33,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919318495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:33,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:33,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:33,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895962821] [2022-11-03 02:40:33,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:33,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:33,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:33,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:33,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:33,961 INFO L87 Difference]: Start difference. First operand 7739 states and 10598 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-03 02:40:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:34,796 INFO L93 Difference]: Finished difference Result 17544 states and 24046 transitions. [2022-11-03 02:40:34,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:34,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 352 [2022-11-03 02:40:34,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:34,883 INFO L225 Difference]: With dead ends: 17544 [2022-11-03 02:40:34,883 INFO L226 Difference]: Without dead ends: 9830 [2022-11-03 02:40:34,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 350 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 02:40:34,928 INFO L413 NwaCegarLoop]: 4171 mSDtfsCounter, 1927 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 6397 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:34,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 6397 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:40:34,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9830 states. [2022-11-03 02:40:35,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9830 to 9826. [2022-11-03 02:40:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9826 states, 6656 states have (on average 1.2501502403846154) internal successors, (8321), 6838 states have internal predecessors, (8321), 2564 states have call successors, (2564), 605 states have call predecessors, (2564), 605 states have return successors, (2567), 2503 states have call predecessors, (2567), 2564 states have call successors, (2567) [2022-11-03 02:40:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9826 states to 9826 states and 13452 transitions. [2022-11-03 02:40:35,780 INFO L78 Accepts]: Start accepts. Automaton has 9826 states and 13452 transitions. Word has length 352 [2022-11-03 02:40:35,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:35,789 INFO L495 AbstractCegarLoop]: Abstraction has 9826 states and 13452 transitions. [2022-11-03 02:40:35,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-03 02:40:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 9826 states and 13452 transitions. [2022-11-03 02:40:35,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-11-03 02:40:35,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:35,812 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-11-03 02:40:35,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:36,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:36,034 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:36,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:36,035 INFO L85 PathProgramCache]: Analyzing trace with hash -503123247, now seen corresponding path program 1 times [2022-11-03 02:40:36,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:36,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299604356] [2022-11-03 02:40:36,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:36,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:36,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:36,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:36,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:40:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:37,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:37,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2022-11-03 02:40:37,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:37,910 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:37,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299604356] [2022-11-03 02:40:37,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299604356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:37,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:37,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:37,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76734451] [2022-11-03 02:40:37,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:37,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:37,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:37,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:37,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:37,916 INFO L87 Difference]: Start difference. First operand 9826 states and 13452 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-03 02:40:38,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:38,895 INFO L93 Difference]: Finished difference Result 21121 states and 28927 transitions. [2022-11-03 02:40:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:38,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 406 [2022-11-03 02:40:38,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:38,967 INFO L225 Difference]: With dead ends: 21121 [2022-11-03 02:40:38,968 INFO L226 Difference]: Without dead ends: 11320 [2022-11-03 02:40:39,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 404 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 02:40:39,012 INFO L413 NwaCegarLoop]: 3607 mSDtfsCounter, 1558 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 6003 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:39,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 6003 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:40:39,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11320 states. [2022-11-03 02:40:39,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11320 to 11316. [2022-11-03 02:40:39,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11316 states, 7691 states have (on average 1.251592770771031) internal successors, (9626), 7902 states have internal predecessors, (9626), 2927 states have call successors, (2927), 697 states have call predecessors, (2927), 697 states have return successors, (2930), 2856 states have call predecessors, (2930), 2927 states have call successors, (2930) [2022-11-03 02:40:39,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11316 states to 11316 states and 15483 transitions. [2022-11-03 02:40:39,793 INFO L78 Accepts]: Start accepts. Automaton has 11316 states and 15483 transitions. Word has length 406 [2022-11-03 02:40:39,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:39,794 INFO L495 AbstractCegarLoop]: Abstraction has 11316 states and 15483 transitions. [2022-11-03 02:40:39,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-03 02:40:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11316 states and 15483 transitions. [2022-11-03 02:40:39,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-11-03 02:40:39,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:39,818 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 10, 10, 10, 10, 10, 10, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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, 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] [2022-11-03 02:40:39,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:40,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:40,042 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:40,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:40,043 INFO L85 PathProgramCache]: Analyzing trace with hash -384681773, now seen corresponding path program 1 times [2022-11-03 02:40:40,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:40,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512493869] [2022-11-03 02:40:40,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:40,046 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:40,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:40,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:40,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 02:40:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:41,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:41,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2022-11-03 02:40:42,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:42,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:42,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512493869] [2022-11-03 02:40:42,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1512493869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:42,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:42,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:42,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148848656] [2022-11-03 02:40:42,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:42,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:42,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:42,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:42,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:42,071 INFO L87 Difference]: Start difference. First operand 11316 states and 15483 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-03 02:40:43,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:43,125 INFO L93 Difference]: Finished difference Result 24125 states and 33019 transitions. [2022-11-03 02:40:43,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:43,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 406 [2022-11-03 02:40:43,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:43,209 INFO L225 Difference]: With dead ends: 24125 [2022-11-03 02:40:43,209 INFO L226 Difference]: Without dead ends: 12834 [2022-11-03 02:40:43,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 404 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 02:40:43,251 INFO L413 NwaCegarLoop]: 4010 mSDtfsCounter, 1571 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 6407 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:43,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1571 Valid, 6407 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:40:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12834 states. [2022-11-03 02:40:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12834 to 12830. [2022-11-03 02:40:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12830 states, 8746 states have (on average 1.2525726046192545) internal successors, (10955), 8986 states have internal predecessors, (10955), 3292 states have call successors, (3292), 791 states have call predecessors, (3292), 791 states have return successors, (3295), 3211 states have call predecessors, (3295), 3292 states have call successors, (3295) [2022-11-03 02:40:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12830 states to 12830 states and 17542 transitions. [2022-11-03 02:40:44,240 INFO L78 Accepts]: Start accepts. Automaton has 12830 states and 17542 transitions. Word has length 406 [2022-11-03 02:40:44,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:44,242 INFO L495 AbstractCegarLoop]: Abstraction has 12830 states and 17542 transitions. [2022-11-03 02:40:44,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-03 02:40:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 12830 states and 17542 transitions. [2022-11-03 02:40:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-11-03 02:40:44,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:44,276 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-11-03 02:40:44,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:44,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:44,499 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:44,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:44,499 INFO L85 PathProgramCache]: Analyzing trace with hash 564483266, now seen corresponding path program 1 times [2022-11-03 02:40:44,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:44,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924638669] [2022-11-03 02:40:44,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:44,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:44,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:44,505 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:44,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:40:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:46,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 02:40:46,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2022-11-03 02:40:47,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:47,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:47,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924638669] [2022-11-03 02:40:47,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924638669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:47,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:47,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 02:40:47,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400352774] [2022-11-03 02:40:47,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:47,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:40:47,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:47,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:40:47,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:40:47,394 INFO L87 Difference]: Start difference. First operand 12830 states and 17542 transitions. Second operand has 12 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 5 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) [2022-11-03 02:41:01,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:01,000 INFO L93 Difference]: Finished difference Result 37360 states and 51147 transitions. [2022-11-03 02:41:01,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 02:41:01,002 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 5 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) Word has length 447 [2022-11-03 02:41:01,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:01,144 INFO L225 Difference]: With dead ends: 37360 [2022-11-03 02:41:01,144 INFO L226 Difference]: Without dead ends: 24525 [2022-11-03 02:41:01,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=448, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:41:01,198 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 3438 mSDsluCounter, 36118 mSDsCounter, 0 mSdLazyCounter, 2904 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3464 SdHoareTripleChecker+Valid, 40422 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 2904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:01,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3464 Valid, 40422 Invalid, 3350 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [446 Valid, 2904 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2022-11-03 02:41:01,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24525 states. [2022-11-03 02:41:03,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24525 to 22592. [2022-11-03 02:41:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22592 states, 15465 states have (on average 1.255286129970902) internal successors, (19413), 15891 states have internal predecessors, (19413), 5738 states have call successors, (5738), 1388 states have call predecessors, (5738), 1388 states have return successors, (5741), 5593 states have call predecessors, (5741), 5738 states have call successors, (5741) [2022-11-03 02:41:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22592 states to 22592 states and 30892 transitions. [2022-11-03 02:41:03,906 INFO L78 Accepts]: Start accepts. Automaton has 22592 states and 30892 transitions. Word has length 447 [2022-11-03 02:41:03,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:03,909 INFO L495 AbstractCegarLoop]: Abstraction has 22592 states and 30892 transitions. [2022-11-03 02:41:03,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 5 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (47), 5 states have call predecessors, (47), 5 states have call successors, (47) [2022-11-03 02:41:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22592 states and 30892 transitions. [2022-11-03 02:41:03,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-11-03 02:41:03,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:03,941 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:04,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:04,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:41:04,166 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:04,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:04,167 INFO L85 PathProgramCache]: Analyzing trace with hash -503940985, now seen corresponding path program 1 times [2022-11-03 02:41:04,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:04,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392141029] [2022-11-03 02:41:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:04,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:04,173 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:04,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 02:41:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:06,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1957 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 02:41:06,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2022-11-03 02:41:07,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:07,232 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:07,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392141029] [2022-11-03 02:41:07,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392141029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:07,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:07,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-03 02:41:07,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836282242] [2022-11-03 02:41:07,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:07,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:41:07,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:07,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:41:07,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:41:07,237 INFO L87 Difference]: Start difference. First operand 22592 states and 30892 transitions. Second operand has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 12 states have internal predecessors, (193), 6 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-03 02:41:20,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:20,191 INFO L93 Difference]: Finished difference Result 55412 states and 75846 transitions. [2022-11-03 02:41:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 02:41:20,193 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 12 states have internal predecessors, (193), 6 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) Word has length 453 [2022-11-03 02:41:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:20,373 INFO L225 Difference]: With dead ends: 55412 [2022-11-03 02:41:20,373 INFO L226 Difference]: Without dead ends: 32815 [2022-11-03 02:41:20,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2022-11-03 02:41:20,456 INFO L413 NwaCegarLoop]: 4395 mSDtfsCounter, 5206 mSDsluCounter, 38338 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 1136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5219 SdHoareTripleChecker+Valid, 42733 SdHoareTripleChecker+Invalid, 3586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1136 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:20,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5219 Valid, 42733 Invalid, 3586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1136 Valid, 2450 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-03 02:41:20,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32815 states. [2022-11-03 02:41:23,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32815 to 22598. [2022-11-03 02:41:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22598 states, 15467 states have (on average 1.2552531195448373) internal successors, (19415), 15895 states have internal predecessors, (19415), 5742 states have call successors, (5742), 1388 states have call predecessors, (5742), 1388 states have return successors, (5745), 5597 states have call predecessors, (5745), 5742 states have call successors, (5745) [2022-11-03 02:41:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22598 states to 22598 states and 30902 transitions. [2022-11-03 02:41:23,714 INFO L78 Accepts]: Start accepts. Automaton has 22598 states and 30902 transitions. Word has length 453 [2022-11-03 02:41:23,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:23,715 INFO L495 AbstractCegarLoop]: Abstraction has 22598 states and 30902 transitions. [2022-11-03 02:41:23,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.083333333333332) internal successors, (193), 12 states have internal predecessors, (193), 6 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-03 02:41:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 22598 states and 30902 transitions. [2022-11-03 02:41:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-11-03 02:41:23,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:23,743 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:23,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:23,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:41:23,971 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:23,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash -100721044, now seen corresponding path program 1 times [2022-11-03 02:41:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:23,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233045382] [2022-11-03 02:41:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:23,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:23,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:23,976 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:24,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 02:41:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:26,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 02:41:26,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2022-11-03 02:41:27,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:27,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:27,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233045382] [2022-11-03 02:41:27,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233045382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:27,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:27,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-03 02:41:27,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70209740] [2022-11-03 02:41:27,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:27,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:41:27,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:27,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:41:27,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:41:27,160 INFO L87 Difference]: Start difference. First operand 22598 states and 30902 transitions. Second operand has 13 states, 12 states have (on average 16.25) internal successors, (195), 12 states have internal predecessors, (195), 6 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-03 02:41:42,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:42,078 INFO L93 Difference]: Finished difference Result 55422 states and 75860 transitions. [2022-11-03 02:41:42,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:41:42,079 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.25) internal successors, (195), 12 states have internal predecessors, (195), 6 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) Word has length 455 [2022-11-03 02:41:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:42,251 INFO L225 Difference]: With dead ends: 55422 [2022-11-03 02:41:42,251 INFO L226 Difference]: Without dead ends: 32819 [2022-11-03 02:41:42,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2022-11-03 02:41:42,339 INFO L413 NwaCegarLoop]: 3229 mSDtfsCounter, 3946 mSDsluCounter, 33303 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3976 SdHoareTripleChecker+Valid, 36532 SdHoareTripleChecker+Invalid, 3547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 631 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:42,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3976 Valid, 36532 Invalid, 3547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [631 Valid, 2916 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-11-03 02:41:42,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32819 states. [2022-11-03 02:41:45,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32819 to 22592. [2022-11-03 02:41:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22592 states, 15465 states have (on average 1.255286129970902) internal successors, (19413), 15891 states have internal predecessors, (19413), 5738 states have call successors, (5738), 1388 states have call predecessors, (5738), 1388 states have return successors, (5741), 5593 states have call predecessors, (5741), 5738 states have call successors, (5741) [2022-11-03 02:41:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22592 states to 22592 states and 30892 transitions. [2022-11-03 02:41:45,242 INFO L78 Accepts]: Start accepts. Automaton has 22592 states and 30892 transitions. Word has length 455 [2022-11-03 02:41:45,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:45,243 INFO L495 AbstractCegarLoop]: Abstraction has 22592 states and 30892 transitions. [2022-11-03 02:41:45,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.25) internal successors, (195), 12 states have internal predecessors, (195), 6 states have call successors, (53), 3 states have call predecessors, (53), 5 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-03 02:41:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 22592 states and 30892 transitions. [2022-11-03 02:41:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2022-11-03 02:41:45,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:45,311 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 12, 12, 12, 12, 12, 12, 9, 9, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:45,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:45,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:41:45,534 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:45,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1772991960, now seen corresponding path program 1 times [2022-11-03 02:41:45,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:45,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159567378] [2022-11-03 02:41:45,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:45,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:45,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:45,541 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:45,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 02:41:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:48,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 2678 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:41:48,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 571 proven. 0 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2022-11-03 02:41:48,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:48,595 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:48,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159567378] [2022-11-03 02:41:48,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159567378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:48,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:48,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:41:48,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889106340] [2022-11-03 02:41:48,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:48,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:41:48,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:48,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:41:48,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:48,599 INFO L87 Difference]: Start difference. First operand 22592 states and 30892 transitions. Second operand has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 02:41:52,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:56,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:56,822 INFO L93 Difference]: Finished difference Result 50007 states and 68689 transitions. [2022-11-03 02:41:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:41:56,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 583 [2022-11-03 02:41:56,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:56,962 INFO L225 Difference]: With dead ends: 50007 [2022-11-03 02:41:56,962 INFO L226 Difference]: Without dead ends: 27440 [2022-11-03 02:41:57,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:41:57,040 INFO L413 NwaCegarLoop]: 3063 mSDtfsCounter, 1600 mSDsluCounter, 8049 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 460 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1601 SdHoareTripleChecker+Valid, 11112 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:57,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1601 Valid, 11112 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 02:41:57,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27440 states. [2022-11-03 02:41:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27440 to 22598. [2022-11-03 02:41:59,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22598 states, 15471 states have (on average 1.255187124297072) internal successors, (19419), 15897 states have internal predecessors, (19419), 5738 states have call successors, (5738), 1388 states have call predecessors, (5738), 1388 states have return successors, (5741), 5593 states have call predecessors, (5741), 5738 states have call successors, (5741) [2022-11-03 02:42:00,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22598 states to 22598 states and 30898 transitions. [2022-11-03 02:42:00,049 INFO L78 Accepts]: Start accepts. Automaton has 22598 states and 30898 transitions. Word has length 583 [2022-11-03 02:42:00,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:00,051 INFO L495 AbstractCegarLoop]: Abstraction has 22598 states and 30898 transitions. [2022-11-03 02:42:00,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.0) internal successors, (245), 5 states have internal predecessors, (245), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 02:42:00,051 INFO L276 IsEmpty]: Start isEmpty. Operand 22598 states and 30898 transitions. [2022-11-03 02:42:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2022-11-03 02:42:00,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:00,102 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 12, 12, 12, 12, 12, 12, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:00,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-03 02:42:00,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:00,303 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:00,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:00,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1906283283, now seen corresponding path program 1 times [2022-11-03 02:42:00,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:00,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367295757] [2022-11-03 02:42:00,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:00,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:00,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 02:42:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:03,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 2727 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 02:42:03,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 557 proven. 0 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-11-03 02:42:03,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:03,664 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:03,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367295757] [2022-11-03 02:42:03,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367295757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:03,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:03,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:42:03,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002940655] [2022-11-03 02:42:03,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:03,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:42:03,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:03,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:42:03,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:42:03,668 INFO L87 Difference]: Start difference. First operand 22598 states and 30898 transitions. Second operand has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 02:42:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:08,296 INFO L93 Difference]: Finished difference Result 47691 states and 65371 transitions. [2022-11-03 02:42:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:42:08,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) Word has length 604 [2022-11-03 02:42:08,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:08,406 INFO L225 Difference]: With dead ends: 47691 [2022-11-03 02:42:08,407 INFO L226 Difference]: Without dead ends: 25118 [2022-11-03 02:42:08,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:42:08,480 INFO L413 NwaCegarLoop]: 2989 mSDtfsCounter, 693 mSDsluCounter, 14041 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 17030 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:08,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 17030 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:42:08,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25118 states. [2022-11-03 02:42:11,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25118 to 22614. [2022-11-03 02:42:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22614 states, 15483 states have (on average 1.2549893431505523) internal successors, (19431), 15911 states have internal predecessors, (19431), 5738 states have call successors, (5738), 1388 states have call predecessors, (5738), 1392 states have return successors, (5753), 5595 states have call predecessors, (5753), 5738 states have call successors, (5753) [2022-11-03 02:42:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22614 states to 22614 states and 30922 transitions. [2022-11-03 02:42:11,320 INFO L78 Accepts]: Start accepts. Automaton has 22614 states and 30922 transitions. Word has length 604 [2022-11-03 02:42:11,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:11,322 INFO L495 AbstractCegarLoop]: Abstraction has 22614 states and 30922 transitions. [2022-11-03 02:42:11,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.142857142857146) internal successors, (246), 6 states have internal predecessors, (246), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 02:42:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 22614 states and 30922 transitions. [2022-11-03 02:42:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-11-03 02:42:11,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:11,384 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 12, 12, 12, 12, 12, 11, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:11,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:11,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:11,610 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:11,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2013191931, now seen corresponding path program 1 times [2022-11-03 02:42:11,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:11,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115246843] [2022-11-03 02:42:11,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:11,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:11,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:11,616 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:11,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceedb-f22a-4c17-954d-1f51a2259ba3/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-03 02:42:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:14,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2720 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:14,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 583 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2022-11-03 02:42:14,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:14,684 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:14,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115246843] [2022-11-03 02:42:14,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115246843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:14,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:14,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:14,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646134327] [2022-11-03 02:42:14,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:14,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:14,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:14,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:14,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:14,688 INFO L87 Difference]: Start difference. First operand 22614 states and 30922 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 02:42:17,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:17,419 INFO L93 Difference]: Finished difference Result 45215 states and 61825 transitions. [2022-11-03 02:42:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:17,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 610 [2022-11-03 02:42:17,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:17,516 INFO L225 Difference]: With dead ends: 45215 [2022-11-03 02:42:17,516 INFO L226 Difference]: Without dead ends: 22626 [2022-11-03 02:42:17,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 608 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 02:42:17,592 INFO L413 NwaCegarLoop]: 2452 mSDtfsCounter, 2 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4901 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:17,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4901 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:42:17,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22626 states.