./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-atheros-atl1c-atl1c.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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/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-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/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 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 --- 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 01:49:27,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:49:27,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:49:27,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:49:27,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:49:27,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:49:27,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:49:27,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:49:27,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:49:27,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:49:27,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:49:27,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:49:27,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:49:27,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:49:27,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:49:27,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:49:27,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:49:27,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:49:27,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:49:27,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:49:27,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:49:27,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:49:27,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:49:27,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:49:27,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:49:27,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:49:27,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:49:27,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:49:27,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:49:27,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:49:27,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:49:27,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:49:27,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:49:27,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:49:27,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:49:27,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:49:27,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:49:27,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:49:27,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:49:27,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:49:27,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:49:27,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:49:27,525 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:49:27,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:49:27,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:49:27,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:49:27,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:49:27,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:49:27,532 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:49:27,532 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:49:27,532 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:49:27,533 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:49:27,534 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:49:27,534 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:49:27,535 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:49:27,535 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:49:27,535 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:49:27,536 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:49:27,536 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:49:27,536 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:49:27,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:49:27,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:49:27,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:49:27,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:49:27,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:49:27,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:49:27,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:49:27,539 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:49:27,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:49:27,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:49:27,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:49:27,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:27,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:49:27,541 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:49:27,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:49:27,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:49:27,542 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:49:27,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:49:27,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:49:27,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:49:27,543 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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a1a5884933bcba18239575fcdd90e80287d1e97f83c153d30cbf6ef2bf14a2 [2022-11-03 01:49:27,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:49:27,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:49:27,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:49:27,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:49:27,966 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:49:27,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-03 01:49:28,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/data/1fd6ec775/13ac02fc042d4d748269713cafba1af4/FLAG798e32fd9 [2022-11-03 01:49:29,433 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:49:29,435 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-03 01:49:29,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/data/1fd6ec775/13ac02fc042d4d748269713cafba1af4/FLAG798e32fd9 [2022-11-03 01:49:30,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/data/1fd6ec775/13ac02fc042d4d748269713cafba1af4 [2022-11-03 01:49:30,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:49:30,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:49:30,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:30,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:49:30,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:49:30,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:30" (1/1) ... [2022-11-03 01:49:30,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b34c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:30, skipping insertion in model container [2022-11-03 01:49:30,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:30" (1/1) ... [2022-11-03 01:49:30,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:49:30,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:49:37,082 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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-03 01:49:37,087 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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-03 01:49:37,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:37,205 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:49:37,981 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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523621,523634] [2022-11-03 01:49:37,982 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_57fe28f9-e98d-4aad-a0af-a13ca30470cf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[523766,523779] [2022-11-03 01:49:37,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:38,319 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:49:38,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38 WrapperNode [2022-11-03 01:49:38,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:38,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:38,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:49:38,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:49:38,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:38,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:38,971 INFO L138 Inliner]: procedures = 696, calls = 4163, calls flagged for inlining = 369, calls inlined = 343, statements flattened = 10403 [2022-11-03 01:49:38,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:38,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:49:38,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:49:38,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:49:38,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:38,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:49:39,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:49:39,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:49:39,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:49:39,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (1/1) ... [2022-11-03 01:49:39,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:39,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:39,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:49:39,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57fe28f9-e98d-4aad-a0af-a13ca30470cf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:49:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:49:39,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:49:39,776 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:49:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:49:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-03 01:49:39,777 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-03 01:49:39,777 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 01:49:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 01:49:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-03 01:49:39,778 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-03 01:49:39,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 01:49:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 01:49:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:49:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:49:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:49:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:49:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:49:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:49:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-03 01:49:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-03 01:49:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:49:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:49:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:49:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:49:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:49:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:49:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-03 01:49:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-03 01:49:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:49:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:49:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-03 01:49:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-03 01:49:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-03 01:49:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-03 01:49:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-03 01:49:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-03 01:49:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:49:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:49:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:49:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:49:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:49:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:49:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:49:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:49:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:49:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:49:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:49:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:49:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:49:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:49:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:49:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:49:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:49:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:49:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:49:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:49:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:49:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-03 01:49:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-03 01:49:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-03 01:49:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-03 01:49:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:49:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:49:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-03 01:49:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-03 01:49:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:49:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:49:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2022-11-03 01:49:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2022-11-03 01:49:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-03 01:49:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-03 01:49:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:49:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-03 01:49:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-03 01:49:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-03 01:49:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-03 01:49:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-03 01:49:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-03 01:49:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:49:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:49:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:49:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:49:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-03 01:49:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-03 01:49:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:49:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:49:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:49:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:49:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:49:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:49:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 01:49:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 01:49:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:49:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:49:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:49:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:49:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:49:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:49:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:49:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:49:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:49:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:49:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:49:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:49:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:49:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:49:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-03 01:49:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-03 01:49:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:49:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:49:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:49:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:49:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:49:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 01:49:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 01:49:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 01:49:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 01:49:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:49:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:49:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:49:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:49:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:49:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:49:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:49:39,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:49:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-03 01:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-03 01:49:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-03 01:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-03 01:49:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:49:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:49:39,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:49:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:49:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:49:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:49:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:49:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 01:49:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 01:49:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 01:49:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 01:49:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-03 01:49:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-03 01:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-03 01:49:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-03 01:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 01:49:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 01:49:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:49:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:49:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-03 01:49:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-03 01:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:49:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:49:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-03 01:49:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-03 01:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-03 01:49:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-03 01:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-03 01:49:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-03 01:49:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-03 01:49:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-03 01:49:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-03 01:49:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-03 01:49:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:49:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:49:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:49:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-03 01:49:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-03 01:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-03 01:49:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-03 01:49:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-03 01:49:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-03 01:49:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-03 01:49:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-03 01:49:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:49:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:49:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:49:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:49:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 01:49:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 01:49:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:49:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:49:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:49:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:49:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:49:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:49:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:49:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-03 01:49:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-03 01:49:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:49:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:49:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:49:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:49:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-03 01:49:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-03 01:49:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-03 01:49:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-03 01:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:49:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:49:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:49:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 01:49:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 01:49:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-03 01:49:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-03 01:49:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-03 01:49:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-03 01:49:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:49:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:49:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:49:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:49:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-03 01:49:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-03 01:49:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 01:49:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 01:49:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-03 01:49:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-03 01:49:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:49:39,837 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:49:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:49:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:49:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:49:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:49:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:49:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-03 01:49:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-03 01:49:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_118 [2022-11-03 01:49:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_118 [2022-11-03 01:49:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-03 01:49:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-03 01:49:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:49:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-03 01:49:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-03 01:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:49:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:49:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-03 01:49:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-03 01:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-11-03 01:49:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-11-03 01:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 01:49:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 01:49:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 01:49:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 01:49:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-03 01:49:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-03 01:49:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:49:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:49:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:49:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:49:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-03 01:49:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-03 01:49:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:49:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:49:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:49:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:49:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:49:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:49:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-03 01:49:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-03 01:49:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-03 01:49:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-03 01:49:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-03 01:49:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-03 01:49:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-03 01:49:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-03 01:49:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-03 01:49:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-03 01:49:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:49:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:49:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:49:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:49:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-03 01:49:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-03 01:49:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:49:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:49:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:49:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:49:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-03 01:49:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-03 01:49:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:49:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:49:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-03 01:49:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-03 01:49:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-03 01:49:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-03 01:49:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:49:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:49:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:49:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:49:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-03 01:49:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-03 01:49:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-03 01:49:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-03 01:49:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:49:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:49:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:49:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:49:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:49:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:49:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:49:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-03 01:49:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-03 01:49:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:49:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:49:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-03 01:49:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-03 01:49:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-03 01:49:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-03 01:49:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 01:49:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 01:49:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-03 01:49:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-03 01:49:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:49:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:49:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 01:49:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 01:49:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:49:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:49:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-03 01:49:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-03 01:49:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-03 01:49:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-03 01:49:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-03 01:49:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-03 01:49:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 01:49:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 01:49:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 01:49:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 01:49:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-03 01:49:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-03 01:49:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:49:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:49:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:49:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_109 [2022-11-03 01:49:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_109 [2022-11-03 01:49:41,488 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:49:41,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:49:42,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:49:54,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:49:54,712 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:49:58,701 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:49:58,701 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:49:58,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:58 BoogieIcfgContainer [2022-11-03 01:49:58,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:49:58,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:49:58,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:49:58,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:49:58,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:49:30" (1/3) ... [2022-11-03 01:49:58,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4feb33de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:58, skipping insertion in model container [2022-11-03 01:49:58,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:38" (2/3) ... [2022-11-03 01:49:58,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4feb33de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:58, skipping insertion in model container [2022-11-03 01:49:58,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:58" (3/3) ... [2022-11-03 01:49:58,723 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-03 01:49:58,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:49:58,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:49:58,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:49:58,933 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;@4d1de60f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:49:58,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:49:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 3199 states, 1890 states have (on average 1.265079365079365) internal successors, (2391), 1927 states have internal predecessors, (2391), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) [2022-11-03 01:49:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-03 01:49:59,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:59,044 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:49:59,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1838098912, now seen corresponding path program 1 times [2022-11-03 01:49:59,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:59,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712434416] [2022-11-03 01:49:59,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:59,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-03 01:50:00,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:00,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712434416] [2022-11-03 01:50:00,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712434416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:00,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:00,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:00,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91366479] [2022-11-03 01:50:00,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:00,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:00,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:00,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:00,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:00,374 INFO L87 Difference]: Start difference. First operand has 3199 states, 1890 states have (on average 1.265079365079365) internal successors, (2391), 1927 states have internal predecessors, (2391), 1145 states have call successors, (1145), 164 states have call predecessors, (1145), 163 states have return successors, (1136), 1128 states have call predecessors, (1136), 1136 states have call successors, (1136) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 01:50:03,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:09,206 INFO L93 Difference]: Finished difference Result 9162 states and 13460 transitions. [2022-11-03 01:50:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:09,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 215 [2022-11-03 01:50:09,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:09,306 INFO L225 Difference]: With dead ends: 9162 [2022-11-03 01:50:09,307 INFO L226 Difference]: Without dead ends: 5930 [2022-11-03 01:50:09,338 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 01:50:09,344 INFO L413 NwaCegarLoop]: 5570 mSDtfsCounter, 4072 mSDsluCounter, 4597 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4072 SdHoareTripleChecker+Valid, 9659 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:09,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4072 Valid, 9659 Invalid, 1158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1138 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-03 01:50:09,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5930 states. [2022-11-03 01:50:10,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5930 to 5927. [2022-11-03 01:50:10,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 3542 states have (on average 1.258610954263128) internal successors, (4458), 3608 states have internal predecessors, (4458), 2070 states have call successors, (2070), 314 states have call predecessors, (2070), 314 states have return successors, (2070), 2054 states have call predecessors, (2070), 2070 states have call successors, (2070) [2022-11-03 01:50:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 8598 transitions. [2022-11-03 01:50:10,129 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 8598 transitions. Word has length 215 [2022-11-03 01:50:10,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:10,135 INFO L495 AbstractCegarLoop]: Abstraction has 5927 states and 8598 transitions. [2022-11-03 01:50:10,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 01:50:10,135 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 8598 transitions. [2022-11-03 01:50:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-03 01:50:10,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:10,161 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:10,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:50:10,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:10,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:10,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1502747479, now seen corresponding path program 1 times [2022-11-03 01:50:10,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:10,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708237352] [2022-11-03 01:50:10,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:10,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-03 01:50:10,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:10,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708237352] [2022-11-03 01:50:10,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708237352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:10,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:10,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:10,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3215595] [2022-11-03 01:50:10,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:10,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:10,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:10,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:10,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:10,867 INFO L87 Difference]: Start difference. First operand 5927 states and 8598 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 01:50:13,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:18,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:19,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:20,752 INFO L93 Difference]: Finished difference Result 17345 states and 25143 transitions. [2022-11-03 01:50:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:20,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 216 [2022-11-03 01:50:20,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:20,870 INFO L225 Difference]: With dead ends: 17345 [2022-11-03 01:50:20,870 INFO L226 Difference]: Without dead ends: 11453 [2022-11-03 01:50:20,918 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 01:50:20,920 INFO L413 NwaCegarLoop]: 5855 mSDtfsCounter, 4258 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:20,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4258 Valid, 9862 Invalid, 1290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1260 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-03 01:50:20,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11453 states. [2022-11-03 01:50:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11453 to 11447. [2022-11-03 01:50:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11447 states, 6836 states have (on average 1.2504388531304858) internal successors, (8548), 6955 states have internal predecessors, (8548), 3994 states have call successors, (3994), 616 states have call predecessors, (3994), 616 states have return successors, (3994), 3968 states have call predecessors, (3994), 3994 states have call successors, (3994) [2022-11-03 01:50:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11447 states to 11447 states and 16536 transitions. [2022-11-03 01:50:22,433 INFO L78 Accepts]: Start accepts. Automaton has 11447 states and 16536 transitions. Word has length 216 [2022-11-03 01:50:22,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:22,434 INFO L495 AbstractCegarLoop]: Abstraction has 11447 states and 16536 transitions. [2022-11-03 01:50:22,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 01:50:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 11447 states and 16536 transitions. [2022-11-03 01:50:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-03 01:50:22,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:22,451 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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] [2022-11-03 01:50:22,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:50:22,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:22,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:22,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1402256280, now seen corresponding path program 1 times [2022-11-03 01:50:22,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:22,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925501102] [2022-11-03 01:50:22,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:22,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-11-03 01:50:22,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:22,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925501102] [2022-11-03 01:50:22,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925501102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:22,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:22,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:22,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358380173] [2022-11-03 01:50:22,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:22,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:22,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:22,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:22,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:22,961 INFO L87 Difference]: Start difference. First operand 11447 states and 16536 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 01:50:27,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:29,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:32,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:32,073 INFO L93 Difference]: Finished difference Result 31006 states and 44584 transitions. [2022-11-03 01:50:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:32,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 231 [2022-11-03 01:50:32,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:32,223 INFO L225 Difference]: With dead ends: 31006 [2022-11-03 01:50:32,224 INFO L226 Difference]: Without dead ends: 19594 [2022-11-03 01:50:32,292 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 01:50:32,297 INFO L413 NwaCegarLoop]: 4875 mSDtfsCounter, 3325 mSDsluCounter, 4483 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 8881 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:32,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 8881 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 01:50:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19594 states. [2022-11-03 01:50:34,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19594 to 19587. [2022-11-03 01:50:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19587 states, 11654 states have (on average 1.2430066929809507) internal successors, (14486), 11862 states have internal predecessors, (14486), 6793 states have call successors, (6793), 1142 states have call predecessors, (6793), 1139 states have return successors, (6795), 6738 states have call predecessors, (6795), 6793 states have call successors, (6795) [2022-11-03 01:50:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19587 states to 19587 states and 28074 transitions. [2022-11-03 01:50:34,187 INFO L78 Accepts]: Start accepts. Automaton has 19587 states and 28074 transitions. Word has length 231 [2022-11-03 01:50:34,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:34,189 INFO L495 AbstractCegarLoop]: Abstraction has 19587 states and 28074 transitions. [2022-11-03 01:50:34,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 01:50:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 19587 states and 28074 transitions. [2022-11-03 01:50:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-03 01:50:34,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:34,203 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 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] [2022-11-03 01:50:34,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:50:34,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:34,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1578823007, now seen corresponding path program 1 times [2022-11-03 01:50:34,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:34,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482783631] [2022-11-03 01:50:34,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-11-03 01:50:34,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:34,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482783631] [2022-11-03 01:50:34,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482783631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:34,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:34,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:34,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061053047] [2022-11-03 01:50:34,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:34,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:34,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:34,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:34,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:34,960 INFO L87 Difference]: Start difference. First operand 19587 states and 28074 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 01:50:39,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:43,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:44,335 INFO L93 Difference]: Finished difference Result 56570 states and 81039 transitions. [2022-11-03 01:50:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:44,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 236 [2022-11-03 01:50:44,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:44,588 INFO L225 Difference]: With dead ends: 56570 [2022-11-03 01:50:44,588 INFO L226 Difference]: Without dead ends: 37018 [2022-11-03 01:50:44,686 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 01:50:44,691 INFO L413 NwaCegarLoop]: 6200 mSDtfsCounter, 4444 mSDsluCounter, 4551 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4444 SdHoareTripleChecker+Valid, 10241 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:44,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4444 Valid, 10241 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1261 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 01:50:44,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37018 states. [2022-11-03 01:50:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37018 to 37000. [2022-11-03 01:50:48,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37000 states, 22060 states have (on average 1.24143245693563) internal successors, (27386), 22469 states have internal predecessors, (27386), 12765 states have call successors, (12765), 2180 states have call predecessors, (12765), 2174 states have return successors, (12769), 12648 states have call predecessors, (12769), 12765 states have call successors, (12769) [2022-11-03 01:50:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37000 states to 37000 states and 52920 transitions. [2022-11-03 01:50:48,479 INFO L78 Accepts]: Start accepts. Automaton has 37000 states and 52920 transitions. Word has length 236 [2022-11-03 01:50:48,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:48,481 INFO L495 AbstractCegarLoop]: Abstraction has 37000 states and 52920 transitions. [2022-11-03 01:50:48,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 01:50:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 37000 states and 52920 transitions. [2022-11-03 01:50:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-03 01:50:48,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:48,501 INFO L195 NwaCegarLoop]: trace histogram [20, 17, 17, 17, 17, 17, 17, 3, 3, 3, 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] [2022-11-03 01:50:48,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:50:48,502 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:48,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:48,503 INFO L85 PathProgramCache]: Analyzing trace with hash 2087436827, now seen corresponding path program 1 times [2022-11-03 01:50:48,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:48,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426887707] [2022-11-03 01:50:48,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:48,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2022-11-03 01:50:49,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:49,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426887707] [2022-11-03 01:50:49,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426887707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:49,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:49,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:49,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622018527] [2022-11-03 01:50:49,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:49,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:49,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:49,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:49,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:49,190 INFO L87 Difference]: Start difference. First operand 37000 states and 52920 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 01:50:53,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:56,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:58,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:59,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:59,460 INFO L93 Difference]: Finished difference Result 74526 states and 106435 transitions. [2022-11-03 01:50:59,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:59,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2022-11-03 01:50:59,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:59,731 INFO L225 Difference]: With dead ends: 74526 [2022-11-03 01:50:59,731 INFO L226 Difference]: Without dead ends: 37561 [2022-11-03 01:50:59,871 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 01:50:59,871 INFO L413 NwaCegarLoop]: 4164 mSDtfsCounter, 567 mSDsluCounter, 4543 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 8196 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:59,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 8196 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1065 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-11-03 01:50:59,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37561 states. [2022-11-03 01:51:02,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37561 to 37561. [2022-11-03 01:51:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37561 states, 22416 states have (on average 1.2398733047822983) internal successors, (27793), 22828 states have internal predecessors, (27793), 12882 states have call successors, (12882), 2268 states have call predecessors, (12882), 2262 states have return successors, (12886), 12765 states have call predecessors, (12886), 12882 states have call successors, (12886) [2022-11-03 01:51:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37561 states to 37561 states and 53561 transitions. [2022-11-03 01:51:03,341 INFO L78 Accepts]: Start accepts. Automaton has 37561 states and 53561 transitions. Word has length 253 [2022-11-03 01:51:03,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:03,342 INFO L495 AbstractCegarLoop]: Abstraction has 37561 states and 53561 transitions. [2022-11-03 01:51:03,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 01:51:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 37561 states and 53561 transitions. [2022-11-03 01:51:03,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-03 01:51:03,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:03,355 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 4, 4, 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 01:51:03,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:51:03,356 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:03,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1311793343, now seen corresponding path program 1 times [2022-11-03 01:51:03,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:03,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174309649] [2022-11-03 01:51:03,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:03,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2022-11-03 01:51:03,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:03,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174309649] [2022-11-03 01:51:03,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174309649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:03,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:03,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:51:03,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355728274] [2022-11-03 01:51:03,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:03,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:51:03,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:03,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:51:03,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:03,813 INFO L87 Difference]: Start difference. First operand 37561 states and 53561 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 01:51:09,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:13,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:15,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:17,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:19,072 INFO L93 Difference]: Finished difference Result 90829 states and 129598 transitions. [2022-11-03 01:51:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:51:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 264 [2022-11-03 01:51:19,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:19,371 INFO L225 Difference]: With dead ends: 90829 [2022-11-03 01:51:19,372 INFO L226 Difference]: Without dead ends: 53736 [2022-11-03 01:51:19,528 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 01:51:19,530 INFO L413 NwaCegarLoop]: 6300 mSDtfsCounter, 3999 mSDsluCounter, 4525 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3999 SdHoareTripleChecker+Valid, 10317 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:19,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3999 Valid, 10317 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1337 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2022-11-03 01:51:19,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53736 states. [2022-11-03 01:51:22,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53736 to 53726. [2022-11-03 01:51:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53726 states, 32104 states have (on average 1.2389421878893596) internal successors, (39775), 32685 states have internal predecessors, (39775), 18362 states have call successors, (18362), 3267 states have call predecessors, (18362), 3259 states have return successors, (18368), 18192 states have call predecessors, (18368), 18362 states have call successors, (18368) [2022-11-03 01:51:23,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53726 states to 53726 states and 76505 transitions. [2022-11-03 01:51:23,326 INFO L78 Accepts]: Start accepts. Automaton has 53726 states and 76505 transitions. Word has length 264 [2022-11-03 01:51:23,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:23,327 INFO L495 AbstractCegarLoop]: Abstraction has 53726 states and 76505 transitions. [2022-11-03 01:51:23,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-03 01:51:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 53726 states and 76505 transitions. [2022-11-03 01:51:23,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-03 01:51:23,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:23,357 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 5, 5, 4, 4, 4, 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] [2022-11-03 01:51:23,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:51:23,357 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:23,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1556361220, now seen corresponding path program 1 times [2022-11-03 01:51:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042250703] [2022-11-03 01:51:23,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2022-11-03 01:51:24,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:24,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042250703] [2022-11-03 01:51:24,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042250703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:24,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:24,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:51:24,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943343644] [2022-11-03 01:51:24,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:24,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:51:24,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:24,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:51:24,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:24,222 INFO L87 Difference]: Start difference. First operand 53726 states and 76505 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 01:51:29,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:33,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:36,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:36,269 INFO L93 Difference]: Finished difference Result 131493 states and 187364 transitions. [2022-11-03 01:51:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:51:36,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 297 [2022-11-03 01:51:36,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:36,653 INFO L225 Difference]: With dead ends: 131493 [2022-11-03 01:51:36,654 INFO L226 Difference]: Without dead ends: 78235 [2022-11-03 01:51:36,950 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 01:51:36,951 INFO L413 NwaCegarLoop]: 7984 mSDtfsCounter, 4420 mSDsluCounter, 4548 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4420 SdHoareTripleChecker+Valid, 12023 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:36,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4420 Valid, 12023 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1579 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 01:51:37,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78235 states. [2022-11-03 01:51:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78235 to 78201. [2022-11-03 01:51:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78201 states, 46761 states have (on average 1.2388956609140096) internal successors, (57932), 47626 states have internal predecessors, (57932), 26687 states have call successors, (26687), 4764 states have call predecessors, (26687), 4752 states have return successors, (26696), 26423 states have call predecessors, (26696), 26687 states have call successors, (26696) [2022-11-03 01:51:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78201 states to 78201 states and 111315 transitions. [2022-11-03 01:51:42,329 INFO L78 Accepts]: Start accepts. Automaton has 78201 states and 111315 transitions. Word has length 297 [2022-11-03 01:51:42,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:42,330 INFO L495 AbstractCegarLoop]: Abstraction has 78201 states and 111315 transitions. [2022-11-03 01:51:42,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-03 01:51:42,331 INFO L276 IsEmpty]: Start isEmpty. Operand 78201 states and 111315 transitions. [2022-11-03 01:51:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-03 01:51:42,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:42,373 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 8, 8, 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] [2022-11-03 01:51:42,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:51:42,373 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:42,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:42,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1886152508, now seen corresponding path program 1 times [2022-11-03 01:51:42,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:42,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709973733] [2022-11-03 01:51:42,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:42,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2022-11-03 01:51:42,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:42,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709973733] [2022-11-03 01:51:42,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709973733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:42,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:42,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:51:42,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808554673] [2022-11-03 01:51:42,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:42,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:51:42,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:42,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:51:42,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:42,923 INFO L87 Difference]: Start difference. First operand 78201 states and 111315 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 01:51:48,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:51,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:53,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:56,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:56,006 INFO L93 Difference]: Finished difference Result 155962 states and 222465 transitions. [2022-11-03 01:51:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:51:56,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 326 [2022-11-03 01:51:56,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:56,552 INFO L225 Difference]: With dead ends: 155962 [2022-11-03 01:51:56,552 INFO L226 Difference]: Without dead ends: 78229 [2022-11-03 01:51:56,872 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 01:51:56,872 INFO L413 NwaCegarLoop]: 4066 mSDtfsCounter, 0 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8127 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:56,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8127 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1047 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2022-11-03 01:51:56,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78229 states. [2022-11-03 01:52:01,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78229 to 78229. [2022-11-03 01:52:01,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78229 states, 46789 states have (on average 1.2387526982837846) internal successors, (57960), 47654 states have internal predecessors, (57960), 26687 states have call successors, (26687), 4764 states have call predecessors, (26687), 4752 states have return successors, (26696), 26423 states have call predecessors, (26696), 26687 states have call successors, (26696) [2022-11-03 01:52:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78229 states to 78229 states and 111343 transitions. [2022-11-03 01:52:02,192 INFO L78 Accepts]: Start accepts. Automaton has 78229 states and 111343 transitions. Word has length 326 [2022-11-03 01:52:02,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:02,193 INFO L495 AbstractCegarLoop]: Abstraction has 78229 states and 111343 transitions. [2022-11-03 01:52:02,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 01:52:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand 78229 states and 111343 transitions. [2022-11-03 01:52:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-03 01:52:02,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:02,229 INFO L195 NwaCegarLoop]: trace histogram [23, 17, 17, 17, 17, 17, 17, 8, 8, 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] [2022-11-03 01:52:02,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:52:02,230 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:02,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:02,231 INFO L85 PathProgramCache]: Analyzing trace with hash -514077272, now seen corresponding path program 1 times [2022-11-03 01:52:02,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:02,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569075305] [2022-11-03 01:52:02,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1433 trivial. 0 not checked. [2022-11-03 01:52:10,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:10,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569075305] [2022-11-03 01:52:10,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569075305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:10,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:10,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:52:10,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124065803] [2022-11-03 01:52:10,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:10,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:52:10,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:10,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:52:10,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:52:10,150 INFO L87 Difference]: Start difference. First operand 78229 states and 111343 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 01:52:22,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:33,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []