./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.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_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/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_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/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_08650eff-4989-4be4-bff0-2358177488f4/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 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 --- 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 01:42:40,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:42:40,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:42:40,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:42:40,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:42:40,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:42:40,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:42:40,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:42:40,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:42:40,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:42:40,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:42:40,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:42:40,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:42:40,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:42:40,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:42:40,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:42:40,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:42:40,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:42:40,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:42:40,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:42:40,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:42:40,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:42:40,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:42:40,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:42:40,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:42:40,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:42:40,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:42:40,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:42:40,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:42:40,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:42:40,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:42:40,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:42:40,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:42:40,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:42:40,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:42:40,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:42:40,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:42:40,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:42:40,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:42:40,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:42:40,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:42:40,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:42:40,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:42:40,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:42:40,689 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:42:40,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:42:40,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:42:40,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:42:40,691 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:42:40,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:42:40,691 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:42:40,691 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:42:40,692 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:42:40,693 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:42:40,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:42:40,693 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:42:40,693 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:42:40,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:42:40,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:42:40,694 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:42:40,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:42:40,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:42:40,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:42:40,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:42:40,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:42:40,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:42:40,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:42:40,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:42:40,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:42:40,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:42:40,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:42:40,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:42:40,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:42:40,707 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:42:40,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:42:40,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:42:40,708 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:42:40,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:42:40,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:42:40,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:42:40,709 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_08650eff-4989-4be4-bff0-2358177488f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 [2022-11-03 01:42:40,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:42:41,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:42:41,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:42:41,025 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:42:41,026 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:42:41,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:42:41,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/data/4801838a8/3c25233c337f49cca2f5e583b28ebabb/FLAGf20106ba4 [2022-11-03 01:42:42,468 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:42:42,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:42:42,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/data/4801838a8/3c25233c337f49cca2f5e583b28ebabb/FLAGf20106ba4 [2022-11-03 01:42:42,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/data/4801838a8/3c25233c337f49cca2f5e583b28ebabb [2022-11-03 01:42:42,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:42:43,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:42:43,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:42:43,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:42:43,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:42:43,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:42:42" (1/1) ... [2022-11-03 01:42:43,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79239f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:43, skipping insertion in model container [2022-11-03 01:42:43,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:42:42" (1/1) ... [2022-11-03 01:42:43,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:42:43,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:42:54,227 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_08650eff-4989-4be4-bff0-2358177488f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2022-11-03 01:42:54,231 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_08650eff-4989-4be4-bff0-2358177488f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2022-11-03 01:42:54,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:42:54,415 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:42:55,438 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_08650eff-4989-4be4-bff0-2358177488f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2022-11-03 01:42:55,438 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_08650eff-4989-4be4-bff0-2358177488f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2022-11-03 01:42:55,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:42:56,339 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:42:56,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56 WrapperNode [2022-11-03 01:42:56,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:42:56,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:42:56,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:42:56,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:42:56,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:56,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:57,708 INFO L138 Inliner]: procedures = 866, calls = 16600, calls flagged for inlining = 427, calls inlined = 364, statements flattened = 29024 [2022-11-03 01:42:57,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:42:57,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:42:57,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:42:57,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:42:57,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:57,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:57,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:57,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:58,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:58,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:58,916 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:58,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:59,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:42:59,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:42:59,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:42:59,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:42:59,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (1/1) ... [2022-11-03 01:42:59,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:42:59,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:42:59,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:42:59,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08650eff-4989-4be4-bff0-2358177488f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:42:59,176 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-03 01:42:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-03 01:42:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:42:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:42:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-03 01:42:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-03 01:42:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-03 01:42:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-03 01:42:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 01:42:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 01:42:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-03 01:42:59,178 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-03 01:42:59,178 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-03 01:42:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-03 01:42:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:42:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:42:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 01:42:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 01:42:59,179 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-03 01:42:59,179 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-03 01:42:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:42:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:42:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:42:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:42:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-03 01:42:59,180 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-03 01:42:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:42:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:42:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-03 01:42:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-03 01:42:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-03 01:42:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-03 01:42:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-03 01:42:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-03 01:42:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:42:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:42:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:42:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:42:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:42:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:42:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:42:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:42:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-03 01:42:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-03 01:42:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-03 01:42:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-03 01:42:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-03 01:42:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-03 01:42:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:42:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:42:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:42:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:42:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:42:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:42:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_113 [2022-11-03 01:42:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_113 [2022-11-03 01:42:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-03 01:42:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-03 01:42:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-03 01:42:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-03 01:42:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:42:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:42:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-03 01:42:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-03 01:42:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:42:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:42:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-03 01:42:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-03 01:42:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:42:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:42:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-03 01:42:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-03 01:42:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:42:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_108 [2022-11-03 01:42:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_108 [2022-11-03 01:42:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-03 01:42:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-03 01:42:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-03 01:42:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-03 01:42:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:42:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:42:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:42:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:42:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-03 01:42:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-03 01:42:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:42:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:42:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-03 01:42:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-03 01:42:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 01:42:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 01:42:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-03 01:42:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-03 01:42:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:42:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:42:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:42:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:42:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:42:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 01:42:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-03 01:42:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-03 01:42:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-03 01:42:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:42:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:42:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:42:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:42:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:42:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:42:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-03 01:42:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-03 01:42:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:42:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:42:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:42:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-03 01:42:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-03 01:42:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:42:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:42:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-03 01:42:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-03 01:42:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:42:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:42:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-03 01:42:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-03 01:42:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:42:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:42:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-03 01:42:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-03 01:42:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 01:42:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 01:42:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:42:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:42:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-03 01:42:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-03 01:42:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-03 01:42:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-03 01:42:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 01:42:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 01:42:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:42:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:42:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-03 01:42:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-03 01:42:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-03 01:42:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-03 01:42:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-03 01:42:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-03 01:42:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-03 01:42:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-03 01:42:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:42:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:42:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-03 01:42:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-03 01:42:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:42:59,203 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 01:42:59,203 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 01:42:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-03 01:42:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-03 01:42:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:42:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:42:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:42:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:42:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:42:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-03 01:42:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-03 01:42:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:42:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:42:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 01:42:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 01:42:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:42:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:42:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-03 01:42:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-03 01:42:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-03 01:42:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-03 01:42:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-03 01:42:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-03 01:42:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:42:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:42:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-03 01:42:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-03 01:42:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 01:42:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 01:42:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 01:42:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 01:42:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:42:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:42:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:42:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_119 [2022-11-03 01:42:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_119 [2022-11-03 01:42:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-03 01:42:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-03 01:42:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:42:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 01:42:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 01:42:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-03 01:42:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-03 01:42:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-11-03 01:42:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-11-03 01:42:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-03 01:42:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-03 01:42:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-03 01:42:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-03 01:42:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-03 01:42:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-03 01:42:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:42:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:42:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-03 01:42:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-03 01:42:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:42:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:42:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:42:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:42:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-03 01:42:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-03 01:42:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:42:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:42:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-03 01:42:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-03 01:42:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-03 01:42:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-03 01:42:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-03 01:42:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-03 01:42:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-03 01:42:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-03 01:42:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 01:42:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 01:42:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 01:42:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 01:42:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-03 01:42:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-03 01:42:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-03 01:42:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-03 01:42:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:42:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:42:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:42:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:42:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:42:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-03 01:42:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-03 01:42:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:42:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:42:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-03 01:42:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-03 01:42:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:42:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:42:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-03 01:42:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-03 01:42:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-03 01:42:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-03 01:42:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-03 01:42:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-03 01:42:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 01:42:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 01:42:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-03 01:42:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-03 01:42:59,214 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 01:42:59,214 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 01:42:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-03 01:42:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-03 01:42:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:42:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:42:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 01:42:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 01:42:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-11-03 01:42:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-11-03 01:42:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 01:42:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-03 01:42:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-03 01:42:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-03 01:42:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-03 01:42:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:42:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:42:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:42:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:42:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:42:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:42:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-03 01:42:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-03 01:42:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:42:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:42:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-03 01:42:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-03 01:42:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-03 01:42:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-03 01:42:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-03 01:42:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-03 01:42:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:42:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:42:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 01:42:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 01:42:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 01:42:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 01:42:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:42:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:42:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-03 01:42:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-03 01:42:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-03 01:42:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-03 01:42:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-03 01:42:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-03 01:42:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-03 01:42:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-03 01:42:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-03 01:42:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-03 01:42:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:42:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:42:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:42:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:42:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:42:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:42:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:42:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:42:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:42:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:42:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:42:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-03 01:42:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-03 01:42:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-03 01:42:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-03 01:42:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-03 01:42:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-03 01:42:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-03 01:42:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-03 01:42:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-03 01:42:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-03 01:42:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:42:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:42:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:42:59,223 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-03 01:42:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-03 01:42:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-03 01:42:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-03 01:42:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:42:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:42:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:42:59,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 01:42:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 01:42:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-03 01:42:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-03 01:42:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:42:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:42:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-03 01:42:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-03 01:42:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-03 01:42:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-03 01:42:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:42:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:42:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:42:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:42:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-03 01:42:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-03 01:42:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:42:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:42:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-03 01:42:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-03 01:42:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 01:42:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 01:42:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-03 01:42:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-03 01:42:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-03 01:42:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-03 01:42:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 01:42:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 01:42:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:42:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:42:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:42:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:42:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:42:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:42:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 01:42:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 01:42:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-03 01:42:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-03 01:42:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 01:42:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 01:42:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-03 01:42:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-03 01:42:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-03 01:42:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-03 01:42:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-03 01:42:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-03 01:42:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 01:42:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 01:42:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:42:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:42:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:42:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:42:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-03 01:42:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-03 01:42:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:42:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:42:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-03 01:42:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-03 01:42:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-03 01:42:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-03 01:42:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:42:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:42:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-03 01:42:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-03 01:42:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 01:42:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 01:42:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-03 01:42:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-03 01:42:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:42:59,234 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:42:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-03 01:42:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-03 01:42:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:42:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:42:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:42:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:42:59,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:42:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:42:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:42:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:42:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:42:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:42:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:42:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-03 01:42:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-03 01:42:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:42:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:42:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:42:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:42:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-03 01:42:59,237 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-03 01:42:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:42:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:42:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-03 01:42:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-03 01:42:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-03 01:42:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-03 01:42:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-03 01:42:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-03 01:42:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:42:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:42:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:42:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:42:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:42:59,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:42:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:42:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:42:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 01:42:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 01:42:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:42:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-03 01:42:59,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-03 01:42:59,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-03 01:42:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-03 01:42:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-03 01:42:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-03 01:42:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 01:42:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 01:42:59,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:42:59,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:42:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:42:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:42:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-03 01:42:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-03 01:42:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-03 01:42:59,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-03 01:42:59,242 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-03 01:42:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-03 01:42:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-03 01:42:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-03 01:42:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:42:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:42:59,243 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:42:59,243 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:42:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-03 01:42:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-03 01:42:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-03 01:42:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-03 01:42:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-03 01:42:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-03 01:42:59,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-03 01:42:59,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-03 01:42:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-03 01:42:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-03 01:42:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:42:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:42:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 01:42:59,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 01:42:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:42:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:42:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-03 01:42:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-03 01:42:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-03 01:42:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-03 01:42:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-03 01:42:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-03 01:42:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-03 01:42:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-03 01:42:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-03 01:42:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-03 01:42:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:42:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:42:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-03 01:42:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-03 01:42:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:42:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:42:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 01:42:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 01:42:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:42:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:42:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-03 01:42:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-03 01:42:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-03 01:42:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-03 01:42:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:42:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:42:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 01:42:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 01:42:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:42:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:42:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 01:42:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 01:42:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-03 01:42:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-03 01:42:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:42:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:42:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-03 01:42:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-03 01:42:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 01:42:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 01:42:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-03 01:42:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-03 01:42:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:42:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:42:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:42:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 01:43:01,491 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:43:01,501 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:43:02,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:44:07,940 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:44:08,563 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:44:17,209 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:44:17,210 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-03 01:44:17,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:44:17 BoogieIcfgContainer [2022-11-03 01:44:17,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:44:17,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:44:17,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:44:17,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:44:17,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:42:42" (1/3) ... [2022-11-03 01:44:17,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4037b8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:44:17, skipping insertion in model container [2022-11-03 01:44:17,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:56" (2/3) ... [2022-11-03 01:44:17,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4037b8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:44:17, skipping insertion in model container [2022-11-03 01:44:17,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:44:17" (3/3) ... [2022-11-03 01:44:17,233 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:44:17,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:44:17,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-03 01:44:17,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:44:17,446 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;@19955f6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:44:17,447 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-03 01:44:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 6806 states, 4330 states have (on average 1.3404157043879907) internal successors, (5804), 4423 states have internal predecessors, (5804), 2222 states have call successors, (2222), 255 states have call predecessors, (2222), 254 states have return successors, (2216), 2208 states have call predecessors, (2216), 2216 states have call successors, (2216) [2022-11-03 01:44:17,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-03 01:44:17,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:17,519 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:44:17,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:44:17,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:17,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1380002487, now seen corresponding path program 1 times [2022-11-03 01:44:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:17,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037845672] [2022-11-03 01:44:17,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:17,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2073 trivial. 0 not checked. [2022-11-03 01:44:19,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:19,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037845672] [2022-11-03 01:44:19,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037845672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:19,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:44:19,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:44:19,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206796501] [2022-11-03 01:44:19,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:19,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:44:19,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:19,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:44:19,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:44:19,952 INFO L87 Difference]: Start difference. First operand has 6806 states, 4330 states have (on average 1.3404157043879907) internal successors, (5804), 4423 states have internal predecessors, (5804), 2222 states have call successors, (2222), 255 states have call predecessors, (2222), 254 states have return successors, (2216), 2208 states have call predecessors, (2216), 2216 states have call successors, (2216) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-03 01:44:23,764 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 01:44:35,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:37,992 WARN L539 Checker$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 01:44:40,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:42,085 WARN L539 Checker$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 01:44:44,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:47,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:44:49,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:49,511 INFO L93 Difference]: Finished difference Result 17934 states and 27029 transitions. [2022-11-03 01:44:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:44:49,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 280 [2022-11-03 01:44:49,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:49,636 INFO L225 Difference]: With dead ends: 17934 [2022-11-03 01:44:49,637 INFO L226 Difference]: Without dead ends: 11101 [2022-11-03 01:44:49,710 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 01:44:49,716 INFO L413 NwaCegarLoop]: 12813 mSDtfsCounter, 6535 mSDsluCounter, 10049 mSDsCounter, 0 mSdLazyCounter, 1938 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6537 SdHoareTripleChecker+Valid, 22044 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1938 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:49,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6537 Valid, 22044 Invalid, 1951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1938 Invalid, 6 Unknown, 0 Unchecked, 28.8s Time] [2022-11-03 01:44:49,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11101 states. [2022-11-03 01:44:51,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11101 to 11090. [2022-11-03 01:44:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11090 states, 7047 states have (on average 1.3310628636299133) internal successors, (9380), 7190 states have internal predecessors, (9380), 3597 states have call successors, (3597), 445 states have call predecessors, (3597), 444 states have return successors, (3599), 3585 states have call predecessors, (3599), 3597 states have call successors, (3599) [2022-11-03 01:44:51,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11090 states to 11090 states and 16576 transitions. [2022-11-03 01:44:51,247 INFO L78 Accepts]: Start accepts. Automaton has 11090 states and 16576 transitions. Word has length 280 [2022-11-03 01:44:51,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:44:51,253 INFO L495 AbstractCegarLoop]: Abstraction has 11090 states and 16576 transitions. [2022-11-03 01:44:51,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-03 01:44:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 11090 states and 16576 transitions. [2022-11-03 01:44:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-03 01:44:51,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:44:51,265 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:51,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:44:51,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:44:51,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:44:51,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1817324136, now seen corresponding path program 1 times [2022-11-03 01:44:51,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:44:51,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379588128] [2022-11-03 01:44:51,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:44:51,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:44:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:44:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-03 01:44:52,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:44:52,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379588128] [2022-11-03 01:44:52,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379588128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:44:52,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:44:52,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:44:52,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529860436] [2022-11-03 01:44:52,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:44:52,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:44:52,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:44:52,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:44:52,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:44:52,961 INFO L87 Difference]: Start difference. First operand 11090 states and 16576 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 01:44:57,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:11,023 WARN L539 Checker$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 01:45:13,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:16,567 WARN L539 Checker$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 01:45:19,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:21,678 WARN L539 Checker$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 01:45:25,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:28,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:31,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:31,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:31,462 INFO L93 Difference]: Finished difference Result 27944 states and 41793 transitions. [2022-11-03 01:45:31,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:45:31,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 280 [2022-11-03 01:45:31,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:31,601 INFO L225 Difference]: With dead ends: 27944 [2022-11-03 01:45:31,601 INFO L226 Difference]: Without dead ends: 16901 [2022-11-03 01:45:31,683 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 01:45:31,684 INFO L413 NwaCegarLoop]: 15630 mSDtfsCounter, 8519 mSDsluCounter, 10085 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 17 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8522 SdHoareTripleChecker+Valid, 24849 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:31,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8522 Valid, 24849 Invalid, 2410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2385 Invalid, 8 Unknown, 0 Unchecked, 37.6s Time] [2022-11-03 01:45:31,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16901 states. [2022-11-03 01:45:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16901 to 16892. [2022-11-03 01:45:33,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16892 states, 10748 states have (on average 1.3294566430963901) internal successors, (14289), 10969 states have internal predecessors, (14289), 5477 states have call successors, (5477), 666 states have call predecessors, (5477), 665 states have return successors, (5482), 5454 states have call predecessors, (5482), 5477 states have call successors, (5482) [2022-11-03 01:45:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16892 states to 16892 states and 25248 transitions. [2022-11-03 01:45:33,343 INFO L78 Accepts]: Start accepts. Automaton has 16892 states and 25248 transitions. Word has length 280 [2022-11-03 01:45:33,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:33,345 INFO L495 AbstractCegarLoop]: Abstraction has 16892 states and 25248 transitions. [2022-11-03 01:45:33,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 01:45:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 16892 states and 25248 transitions. [2022-11-03 01:45:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-03 01:45:33,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:33,354 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:33,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:45:33,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:45:33,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:33,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1144833792, now seen corresponding path program 1 times [2022-11-03 01:45:33,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:33,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113052572] [2022-11-03 01:45:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:33,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2022-11-03 01:45:34,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:34,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113052572] [2022-11-03 01:45:34,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113052572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:34,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:34,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:45:34,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457860483] [2022-11-03 01:45:34,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:34,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:45:34,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:34,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:45:34,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:45:34,914 INFO L87 Difference]: Start difference. First operand 16892 states and 25248 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-03 01:45:39,553 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 01:45:50,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:55,505 WARN L539 Checker$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 01:45:57,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:59,727 WARN L539 Checker$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 01:46:03,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:08,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:11,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:13,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:13,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:13,850 INFO L93 Difference]: Finished difference Result 39615 states and 59233 transitions. [2022-11-03 01:46:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:46:13,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 327 [2022-11-03 01:46:13,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:14,031 INFO L225 Difference]: With dead ends: 39615 [2022-11-03 01:46:14,031 INFO L226 Difference]: Without dead ends: 22770 [2022-11-03 01:46:14,161 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 01:46:14,163 INFO L413 NwaCegarLoop]: 17089 mSDtfsCounter, 8611 mSDsluCounter, 10076 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 15 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8614 SdHoareTripleChecker+Valid, 26300 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:14,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8614 Valid, 26300 Invalid, 2570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2546 Invalid, 9 Unknown, 0 Unchecked, 38.0s Time] [2022-11-03 01:46:14,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22770 states. [2022-11-03 01:46:16,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22770 to 22762. [2022-11-03 01:46:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22762 states, 14489 states have (on average 1.3283870522465318) internal successors, (19247), 14787 states have internal predecessors, (19247), 7382 states have call successors, (7382), 890 states have call predecessors, (7382), 889 states have return successors, (7390), 7349 states have call predecessors, (7390), 7382 states have call successors, (7390) [2022-11-03 01:46:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22762 states to 22762 states and 34019 transitions. [2022-11-03 01:46:16,327 INFO L78 Accepts]: Start accepts. Automaton has 22762 states and 34019 transitions. Word has length 327 [2022-11-03 01:46:16,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:16,328 INFO L495 AbstractCegarLoop]: Abstraction has 22762 states and 34019 transitions. [2022-11-03 01:46:16,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-03 01:46:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 22762 states and 34019 transitions. [2022-11-03 01:46:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-03 01:46:16,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:16,340 INFO L195 NwaCegarLoop]: trace histogram [29, 23, 23, 23, 23, 23, 23, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:16,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:46:16,340 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:16,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1481159874, now seen corresponding path program 1 times [2022-11-03 01:46:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:16,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762729605] [2022-11-03 01:46:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2441 trivial. 0 not checked. [2022-11-03 01:46:35,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:35,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762729605] [2022-11-03 01:46:35,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762729605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:35,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:35,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:46:35,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240265393] [2022-11-03 01:46:35,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:35,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:46:35,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:35,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:46:35,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:35,129 INFO L87 Difference]: Start difference. First operand 22762 states and 34019 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 01:46:46,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:57,569 WARN L539 Checker$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 01:47:18,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:25,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:27,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:29,574 WARN L539 Checker$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 01:47:31,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:37,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:44,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:45,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:45,011 INFO L93 Difference]: Finished difference Result 25757 states and 38340 transitions. [2022-11-03 01:47:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:47:45,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 389 [2022-11-03 01:47:45,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:45,247 INFO L225 Difference]: With dead ends: 25757 [2022-11-03 01:47:45,247 INFO L226 Difference]: Without dead ends: 25755 [2022-11-03 01:47:45,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:47:45,282 INFO L413 NwaCegarLoop]: 11136 mSDtfsCounter, 3891 mSDsluCounter, 44304 mSDsCounter, 0 mSdLazyCounter, 6641 mSolverCounterSat, 8 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3900 SdHoareTripleChecker+Valid, 51781 SdHoareTripleChecker+Invalid, 6656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6641 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:45,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3900 Valid, 51781 Invalid, 6656 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8 Valid, 6641 Invalid, 7 Unknown, 0 Unchecked, 67.9s Time] [2022-11-03 01:47:45,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25755 states. [2022-11-03 01:47:47,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25755 to 25744. [2022-11-03 01:47:47,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25744 states, 16310 states have (on average 1.3213366033108522) internal successors, (21551), 16679 states have internal predecessors, (21551), 8365 states have call successors, (8365), 1074 states have call predecessors, (8365), 1067 states have return successors, (8408), 8296 states have call predecessors, (8408), 8365 states have call successors, (8408) [2022-11-03 01:47:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25744 states to 25744 states and 38324 transitions. [2022-11-03 01:47:48,136 INFO L78 Accepts]: Start accepts. Automaton has 25744 states and 38324 transitions. Word has length 389 [2022-11-03 01:47:48,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:48,137 INFO L495 AbstractCegarLoop]: Abstraction has 25744 states and 38324 transitions. [2022-11-03 01:47:48,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 01:47:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 25744 states and 38324 transitions. [2022-11-03 01:47:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-03 01:47:48,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:48,153 INFO L195 NwaCegarLoop]: trace histogram [29, 23, 23, 23, 23, 23, 23, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:48,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:47:48,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:48,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:48,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1198565373, now seen corresponding path program 1 times [2022-11-03 01:47:48,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:48,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239651861] [2022-11-03 01:47:48,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:48,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2428 trivial. 0 not checked. [2022-11-03 01:47:50,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:50,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239651861] [2022-11-03 01:47:50,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239651861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:50,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:50,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:47:50,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670794008] [2022-11-03 01:47:50,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:50,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:47:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:50,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:47:50,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:47:50,257 INFO L87 Difference]: Start difference. First operand 25744 states and 38324 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-03 01:47:54,996 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 01:48:08,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:26,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:28,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:31,412 WARN L539 Checker$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 01:48:33,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:35,718 WARN L539 Checker$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 01:48:39,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:43,040 WARN L539 Checker$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 01:48:46,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:54,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:56,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:59,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:01,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:04,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:05,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:05,094 INFO L93 Difference]: Finished difference Result 57561 states and 85650 transitions. [2022-11-03 01:49:05,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:05,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 410 [2022-11-03 01:49:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:05,346 INFO L225 Difference]: With dead ends: 57561 [2022-11-03 01:49:05,346 INFO L226 Difference]: Without dead ends: 31882 [2022-11-03 01:49:05,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:05,513 INFO L413 NwaCegarLoop]: 17099 mSDtfsCounter, 8793 mSDsluCounter, 24724 mSDsCounter, 0 mSdLazyCounter, 7944 mSolverCounterSat, 16 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8796 SdHoareTripleChecker+Valid, 39382 SdHoareTripleChecker+Invalid, 7972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 7944 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:05,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8796 Valid, 39382 Invalid, 7972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 7944 Invalid, 12 Unknown, 0 Unchecked, 72.5s Time] [2022-11-03 01:49:05,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31882 states. [2022-11-03 01:49:08,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31882 to 31872. [2022-11-03 01:49:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31872 states, 20205 states have (on average 1.3207621875773323) internal successors, (26686), 20653 states have internal predecessors, (26686), 10318 states have call successors, (10318), 1354 states have call predecessors, (10318), 1347 states have return successors, (10364), 10237 states have call predecessors, (10364), 10318 states have call successors, (10364) [2022-11-03 01:49:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31872 states to 31872 states and 47368 transitions. [2022-11-03 01:49:08,728 INFO L78 Accepts]: Start accepts. Automaton has 31872 states and 47368 transitions. Word has length 410 [2022-11-03 01:49:08,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:08,730 INFO L495 AbstractCegarLoop]: Abstraction has 31872 states and 47368 transitions. [2022-11-03 01:49:08,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-03 01:49:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 31872 states and 47368 transitions. [2022-11-03 01:49:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-03 01:49:08,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:08,741 INFO L195 NwaCegarLoop]: trace histogram [31, 23, 23, 23, 23, 23, 23, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:08,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:49:08,742 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:08,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash -557925342, now seen corresponding path program 1 times [2022-11-03 01:49:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:08,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038338106] [2022-11-03 01:49:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-11-03 01:49:11,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:11,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038338106] [2022-11-03 01:49:11,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038338106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:11,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:11,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:49:11,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306606368] [2022-11-03 01:49:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:11,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:11,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:11,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:11,555 INFO L87 Difference]: Start difference. First operand 31872 states and 47368 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 01:49:16,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:20,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:26,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:36,595 WARN L539 Checker$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 01:49:41,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:43,443 WARN L539 Checker$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 01:49:45,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:47,779 WARN L539 Checker$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 01:49:54,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:49:59,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:00,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:00,923 INFO L93 Difference]: Finished difference Result 74978 states and 112528 transitions. [2022-11-03 01:50:00,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:50:00,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 465 [2022-11-03 01:50:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:01,385 INFO L225 Difference]: With dead ends: 74978 [2022-11-03 01:50:01,385 INFO L226 Difference]: Without dead ends: 43171 [2022-11-03 01:50:01,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:50:01,587 INFO L413 NwaCegarLoop]: 11307 mSDtfsCounter, 3495 mSDsluCounter, 22628 mSDsCounter, 0 mSdLazyCounter, 3119 mSolverCounterSat, 966 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3962 SdHoareTripleChecker+Valid, 31923 SdHoareTripleChecker+Invalid, 4093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 966 IncrementalHoareTripleChecker+Valid, 3119 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:01,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3962 Valid, 31923 Invalid, 4093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [966 Valid, 3119 Invalid, 8 Unknown, 0 Unchecked, 46.8s Time] [2022-11-03 01:50:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43171 states. [2022-11-03 01:50:04,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43171 to 31878. [2022-11-03 01:50:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31878 states, 20211 states have (on average 1.3206669635347088) internal successors, (26692), 20659 states have internal predecessors, (26692), 10318 states have call successors, (10318), 1354 states have call predecessors, (10318), 1347 states have return successors, (10364), 10237 states have call predecessors, (10364), 10318 states have call successors, (10364) [2022-11-03 01:50:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31878 states to 31878 states and 47374 transitions. [2022-11-03 01:50:05,287 INFO L78 Accepts]: Start accepts. Automaton has 31878 states and 47374 transitions. Word has length 465 [2022-11-03 01:50:05,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:05,288 INFO L495 AbstractCegarLoop]: Abstraction has 31878 states and 47374 transitions. [2022-11-03 01:50:05,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-03 01:50:05,288 INFO L276 IsEmpty]: Start isEmpty. Operand 31878 states and 47374 transitions. [2022-11-03 01:50:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-03 01:50:05,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:05,297 INFO L195 NwaCegarLoop]: trace histogram [31, 23, 23, 23, 23, 23, 23, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:05,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:50:05,298 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:05,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:05,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1325405376, now seen corresponding path program 1 times [2022-11-03 01:50:05,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:05,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740107115] [2022-11-03 01:50:05,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:05,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-11-03 01:50:07,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:07,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740107115] [2022-11-03 01:50:07,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740107115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:07,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:07,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:07,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377982072] [2022-11-03 01:50:07,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:07,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:07,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:07,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:07,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:07,346 INFO L87 Difference]: Start difference. First operand 31878 states and 47374 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-03 01:50:11,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:20,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:24,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:39,749 WARN L539 Checker$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 01:50:43,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:45,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:49,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:51,412 WARN L539 Checker$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 01:50:53,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:59,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:07,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:09,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:12,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:14,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:15,149 INFO L93 Difference]: Finished difference Result 69710 states and 103655 transitions. [2022-11-03 01:51:15,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:51:15,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 465 [2022-11-03 01:51:15,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:15,557 INFO L225 Difference]: With dead ends: 69710 [2022-11-03 01:51:15,558 INFO L226 Difference]: Without dead ends: 37897 [2022-11-03 01:51:15,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:51:15,748 INFO L413 NwaCegarLoop]: 15119 mSDtfsCounter, 8643 mSDsluCounter, 14930 mSDsCounter, 0 mSdLazyCounter, 6738 mSolverCounterSat, 20 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8646 SdHoareTripleChecker+Valid, 28446 SdHoareTripleChecker+Invalid, 6768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6738 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:15,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8646 Valid, 28446 Invalid, 6768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 6738 Invalid, 10 Unknown, 0 Unchecked, 65.2s Time] [2022-11-03 01:51:15,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37897 states. [2022-11-03 01:51:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37897 to 37888. [2022-11-03 01:51:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37888 states, 24054 states have (on average 1.321360272719714) internal successors, (31784), 24580 states have internal predecessors, (31784), 12247 states have call successors, (12247), 1592 states have call predecessors, (12247), 1585 states have return successors, (12296), 12155 states have call predecessors, (12296), 12247 states have call successors, (12296) [2022-11-03 01:51:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37888 states to 37888 states and 56327 transitions. [2022-11-03 01:51:18,987 INFO L78 Accepts]: Start accepts. Automaton has 37888 states and 56327 transitions. Word has length 465 [2022-11-03 01:51:18,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:18,988 INFO L495 AbstractCegarLoop]: Abstraction has 37888 states and 56327 transitions. [2022-11-03 01:51:18,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-03 01:51:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 37888 states and 56327 transitions. [2022-11-03 01:51:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-11-03 01:51:18,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:18,998 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:51:18,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:51:18,999 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:18,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1203724484, now seen corresponding path program 1 times [2022-11-03 01:51:19,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:19,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847799866] [2022-11-03 01:51:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:19,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2996 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2996 trivial. 0 not checked. [2022-11-03 01:51:21,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:21,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847799866] [2022-11-03 01:51:21,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847799866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:21,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:21,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:51:21,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459918923] [2022-11-03 01:51:21,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:21,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:51:21,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:21,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:51:21,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:51:21,545 INFO L87 Difference]: Start difference. First operand 37888 states and 56327 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-03 01:51:26,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:41,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:45,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:49,296 WARN L539 Checker$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 01:51:51,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:53,878 WARN L539 Checker$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 01:51:56,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:01,043 WARN L539 Checker$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 01:52:02,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:04,236 WARN L539 Checker$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 01:52:09,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:11,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:12,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:12,343 INFO L93 Difference]: Finished difference Result 93917 states and 141855 transitions. [2022-11-03 01:52:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:52:12,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 479 [2022-11-03 01:52:12,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:12,799 INFO L225 Difference]: With dead ends: 93917 [2022-11-03 01:52:12,800 INFO L226 Difference]: Without dead ends: 59334 [2022-11-03 01:52:12,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:52:12,960 INFO L413 NwaCegarLoop]: 11305 mSDtfsCounter, 4776 mSDsluCounter, 22727 mSDsCounter, 0 mSdLazyCounter, 3050 mSolverCounterSat, 1009 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5822 SdHoareTripleChecker+Valid, 31999 SdHoareTripleChecker+Invalid, 4068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1009 IncrementalHoareTripleChecker+Valid, 3050 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:12,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5822 Valid, 31999 Invalid, 4068 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1009 Valid, 3050 Invalid, 9 Unknown, 0 Unchecked, 47.2s Time] [2022-11-03 01:52:13,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59334 states. [2022-11-03 01:52:16,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59334 to 37890. [2022-11-03 01:52:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37890 states, 24056 states have (on average 1.3213335550382441) internal successors, (31786), 24582 states have internal predecessors, (31786), 12247 states have call successors, (12247), 1592 states have call predecessors, (12247), 1585 states have return successors, (12296), 12155 states have call predecessors, (12296), 12247 states have call successors, (12296) [2022-11-03 01:52:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37890 states to 37890 states and 56329 transitions. [2022-11-03 01:52:17,136 INFO L78 Accepts]: Start accepts. Automaton has 37890 states and 56329 transitions. Word has length 479 [2022-11-03 01:52:17,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:17,137 INFO L495 AbstractCegarLoop]: Abstraction has 37890 states and 56329 transitions. [2022-11-03 01:52:17,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-03 01:52:17,137 INFO L276 IsEmpty]: Start isEmpty. Operand 37890 states and 56329 transitions. [2022-11-03 01:52:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2022-11-03 01:52:17,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:17,147 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:52:17,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:52:17,148 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:17,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1160603805, now seen corresponding path program 1 times [2022-11-03 01:52:17,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:17,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521540927] [2022-11-03 01:52:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:17,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2998 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2998 trivial. 0 not checked. [2022-11-03 01:52:19,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:19,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521540927] [2022-11-03 01:52:19,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521540927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:19,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:19,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:52:19,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433008914] [2022-11-03 01:52:19,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:19,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:52:19,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:19,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:52:19,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:52:19,213 INFO L87 Difference]: Start difference. First operand 37890 states and 56329 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-03 01:52:23,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:35,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:41,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:42,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:47,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:49,186 WARN L539 Checker$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 01:52:51,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:54,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:56,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:02,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:04,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:05,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:05,452 INFO L93 Difference]: Finished difference Result 79530 states and 119126 transitions. [2022-11-03 01:53:05,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:53:05,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 497 [2022-11-03 01:53:05,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:05,665 INFO L225 Difference]: With dead ends: 79530 [2022-11-03 01:53:05,665 INFO L226 Difference]: Without dead ends: 44945 [2022-11-03 01:53:05,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:53:05,804 INFO L413 NwaCegarLoop]: 10054 mSDtfsCounter, 2565 mSDsluCounter, 20443 mSDsCounter, 0 mSdLazyCounter, 2691 mSolverCounterSat, 1019 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2565 SdHoareTripleChecker+Valid, 28739 SdHoareTripleChecker+Invalid, 3719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 2691 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:05,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2565 Valid, 28739 Invalid, 3719 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1019 Valid, 2691 Invalid, 9 Unknown, 0 Unchecked, 43.2s Time] [2022-11-03 01:53:05,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44945 states. [2022-11-03 01:53:09,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44945 to 37892. [2022-11-03 01:53:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37892 states, 24058 states have (on average 1.3213068417989857) internal successors, (31788), 24584 states have internal predecessors, (31788), 12247 states have call successors, (12247), 1592 states have call predecessors, (12247), 1585 states have return successors, (12296), 12155 states have call predecessors, (12296), 12247 states have call successors, (12296) [2022-11-03 01:53:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37892 states to 37892 states and 56331 transitions. [2022-11-03 01:53:09,404 INFO L78 Accepts]: Start accepts. Automaton has 37892 states and 56331 transitions. Word has length 497 [2022-11-03 01:53:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:09,405 INFO L495 AbstractCegarLoop]: Abstraction has 37892 states and 56331 transitions. [2022-11-03 01:53:09,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-03 01:53:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 37892 states and 56331 transitions. [2022-11-03 01:53:09,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-11-03 01:53:09,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:09,415 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:09,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 01:53:09,415 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:09,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2141323552, now seen corresponding path program 1 times [2022-11-03 01:53:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:09,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664002896] [2022-11-03 01:53:09,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:09,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2998 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2998 trivial. 0 not checked. [2022-11-03 01:53:14,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:14,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664002896] [2022-11-03 01:53:14,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664002896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:14,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:14,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:53:14,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728260142] [2022-11-03 01:53:14,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:14,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:53:14,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:14,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:53:14,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:53:14,694 INFO L87 Difference]: Start difference. First operand 37892 states and 56331 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-03 01:53:20,652 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 01:53:27,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:44,354 WARN L539 Checker$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 01:53:46,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:48,833 WARN L539 Checker$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 01:53:51,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:56,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:04,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:07,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:08,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:08,197 INFO L93 Difference]: Finished difference Result 90767 states and 136324 transitions. [2022-11-03 01:54:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:54:08,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 500 [2022-11-03 01:54:08,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:08,600 INFO L225 Difference]: With dead ends: 90767 [2022-11-03 01:54:08,600 INFO L226 Difference]: Without dead ends: 52940 [2022-11-03 01:54:09,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:09,128 INFO L413 NwaCegarLoop]: 11724 mSDtfsCounter, 3641 mSDsluCounter, 23012 mSDsCounter, 0 mSdLazyCounter, 3213 mSolverCounterSat, 986 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4141 SdHoareTripleChecker+Valid, 32703 SdHoareTripleChecker+Invalid, 4207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 986 IncrementalHoareTripleChecker+Valid, 3213 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:09,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4141 Valid, 32703 Invalid, 4207 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [986 Valid, 3213 Invalid, 8 Unknown, 0 Unchecked, 48.9s Time] [2022-11-03 01:54:09,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52940 states. [2022-11-03 01:54:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52940 to 37898. [2022-11-03 01:54:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37898 states, 24064 states have (on average 1.3212267287234043) internal successors, (31794), 24590 states have internal predecessors, (31794), 12247 states have call successors, (12247), 1592 states have call predecessors, (12247), 1585 states have return successors, (12296), 12155 states have call predecessors, (12296), 12247 states have call successors, (12296) [2022-11-03 01:54:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37898 states to 37898 states and 56337 transitions. [2022-11-03 01:54:13,529 INFO L78 Accepts]: Start accepts. Automaton has 37898 states and 56337 transitions. Word has length 500 [2022-11-03 01:54:13,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:13,530 INFO L495 AbstractCegarLoop]: Abstraction has 37898 states and 56337 transitions. [2022-11-03 01:54:13,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (60), 2 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-03 01:54:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 37898 states and 56337 transitions. [2022-11-03 01:54:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-11-03 01:54:13,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:13,541 INFO L195 NwaCegarLoop]: trace histogram [33, 23, 23, 23, 23, 23, 23, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:13,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 01:54:13,542 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:13,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:13,542 INFO L85 PathProgramCache]: Analyzing trace with hash 910753010, now seen corresponding path program 1 times [2022-11-03 01:54:13,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:13,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231524634] [2022-11-03 01:54:13,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:13,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2887 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 2822 trivial. 0 not checked. [2022-11-03 01:54:15,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:15,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231524634] [2022-11-03 01:54:15,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231524634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:15,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:15,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:54:15,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561575219] [2022-11-03 01:54:15,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:15,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:54:15,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:15,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:54:15,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:15,600 INFO L87 Difference]: Start difference. First operand 37898 states and 56337 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-03 01:54:21,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:23,853 WARN L539 Checker$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 01:54:25,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:27,928 WARN L539 Checker$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 01:54:35,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:01,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:05,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:06,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:08,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:10,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:11,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:13,915 WARN L539 Checker$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 01:55:15,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:18,312 WARN L539 Checker$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 01:55:24,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:30,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:32,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:33,354 INFO L93 Difference]: Finished difference Result 87129 states and 129531 transitions. [2022-11-03 01:55:33,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:55:33,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) Word has length 501 [2022-11-03 01:55:33,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:33,619 INFO L225 Difference]: With dead ends: 87129 [2022-11-03 01:55:33,619 INFO L226 Difference]: Without dead ends: 49296 [2022-11-03 01:55:33,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:55:33,798 INFO L413 NwaCegarLoop]: 16698 mSDtfsCounter, 8642 mSDsluCounter, 46561 mSDsCounter, 0 mSdLazyCounter, 5594 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8645 SdHoareTripleChecker+Valid, 59293 SdHoareTripleChecker+Invalid, 5608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5594 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:33,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8645 Valid, 59293 Invalid, 5608 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 5594 Invalid, 11 Unknown, 0 Unchecked, 73.9s Time] [2022-11-03 01:55:33,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49296 states. [2022-11-03 01:55:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49296 to 49280. [2022-11-03 01:55:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49280 states, 31257 states have (on average 1.319928336052724) internal successors, (41257), 31958 states have internal predecessors, (41257), 15965 states have call successors, (15965), 2066 states have call predecessors, (15965), 2056 states have return successors, (16035), 15830 states have call predecessors, (16035), 15965 states have call successors, (16035) [2022-11-03 01:55:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49280 states to 49280 states and 73257 transitions. [2022-11-03 01:55:38,222 INFO L78 Accepts]: Start accepts. Automaton has 49280 states and 73257 transitions. Word has length 501 [2022-11-03 01:55:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:38,223 INFO L495 AbstractCegarLoop]: Abstraction has 49280 states and 73257 transitions. [2022-11-03 01:55:38,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 3 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-03 01:55:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 49280 states and 73257 transitions. [2022-11-03 01:55:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2022-11-03 01:55:38,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:38,234 INFO L195 NwaCegarLoop]: trace histogram [33, 23, 23, 23, 23, 23, 23, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:38,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 01:55:38,234 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:38,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:38,235 INFO L85 PathProgramCache]: Analyzing trace with hash -309399487, now seen corresponding path program 1 times [2022-11-03 01:55:38,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:38,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716793079] [2022-11-03 01:55:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:38,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2887 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 2822 trivial. 0 not checked. [2022-11-03 01:55:40,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:40,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716793079] [2022-11-03 01:55:40,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716793079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:40,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:40,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:55:40,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763138051] [2022-11-03 01:55:40,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:40,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:55:40,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:40,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:55:40,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:55:40,163 INFO L87 Difference]: Start difference. First operand 49280 states and 73257 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-03 01:55:47,043 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 01:55:51,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:01,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:07,029 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 []