./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-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba --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 abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- 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-b5237d8 [2022-11-22 01:51:56,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:51:56,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:51:56,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:51:56,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:51:56,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:51:56,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:51:56,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:51:56,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:51:56,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:51:56,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:51:56,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:51:56,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:51:56,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:51:56,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:51:56,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:51:56,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:51:56,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:51:56,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:51:56,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:51:56,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:51:56,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:51:56,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:51:56,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:51:56,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:51:56,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:51:56,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:51:56,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:51:56,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:51:56,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:51:56,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:51:56,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:51:56,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:51:56,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:51:56,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:51:56,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:51:56,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:51:56,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:51:56,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:51:56,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:51:56,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:51:56,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:51:56,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:51:56,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:51:56,948 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:51:56,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:51:56,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:51:56,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:51:56,950 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:51:56,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:51:56,950 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:51:56,951 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:51:56,952 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:51:56,952 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:51:56,952 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:51:56,952 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:51:56,952 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:51:56,953 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:51:56,953 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:51:56,953 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:51:56,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:51:56,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:51:56,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:51:56,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:51:56,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:51:56,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:51:56,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:51:56,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:51:56,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:51:56,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:51:56,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:51:56,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:51:56,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:51:56,958 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:51:56,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:51:56,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:51:56,958 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:51:56,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:51:56,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:51:56,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:51:56,959 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_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2022-11-22 01:51:57,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:51:57,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:51:57,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:51:57,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:51:57,291 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:51:57,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-11-22 01:52:00,345 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:52:01,196 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:52:01,196 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-11-22 01:52:01,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/data/d394297c7/50edc076ad654e7aabfb83f477b146dd/FLAGfad8726b9 [2022-11-22 01:52:01,292 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/data/d394297c7/50edc076ad654e7aabfb83f477b146dd [2022-11-22 01:52:01,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:52:01,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:52:01,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:52:01,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:52:01,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:52:01,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:52:01" (1/1) ... [2022-11-22 01:52:01,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ce65fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:01, skipping insertion in model container [2022-11-22 01:52:01,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:52:01" (1/1) ... [2022-11-22 01:52:01,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:52:01,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:52:05,218 WARN L237 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_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2022-11-22 01:52:05,224 WARN L237 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_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2022-11-22 01:52:05,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:52:05,285 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:52:05,764 WARN L237 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_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2022-11-22 01:52:05,765 WARN L237 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_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2022-11-22 01:52:05,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:52:06,152 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:52:06,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06 WrapperNode [2022-11-22 01:52:06,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:52:06,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:52:06,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:52:06,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:52:06,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,528 INFO L138 Inliner]: procedures = 556, calls = 2976, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7446 [2022-11-22 01:52:06,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:52:06,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:52:06,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:52:06,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:52:06,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:52:06,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:52:06,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:52:06,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:52:06,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (1/1) ... [2022-11-22 01:52:06,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:52:07,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:52:07,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:52:07,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:52:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-22 01:52:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-22 01:52:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:52:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:52:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 01:52:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 01:52:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 01:52:07,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 01:52:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-11-22 01:52:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-11-22 01:52:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:52:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:52:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:52:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:52:07,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:52:07,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:52:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:52:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:52:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-11-22 01:52:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-11-22 01:52:07,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-22 01:52:07,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-22 01:52:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:52:07,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:52:07,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:52:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:52:07,067 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:52:07,067 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:52:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:52:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:52:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:52:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:52:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 01:52:07,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 01:52:07,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:52:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-11-22 01:52:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-11-22 01:52:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:52:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:52:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:52:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:52:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:52:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-11-22 01:52:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-11-22 01:52:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:52:07,070 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:52:07,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 01:52:07,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 01:52:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:52:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:52:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:52:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-11-22 01:52:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-11-22 01:52:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:52:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:52:07,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:52:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:52:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:52:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:52:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:52:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-11-22 01:52:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-11-22 01:52:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:52:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:52:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:52:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:52:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:52:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:52:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:52:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:52:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:52:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:52:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:52:07,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:52:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-11-22 01:52:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-11-22 01:52:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-22 01:52:07,077 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-22 01:52:07,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-11-22 01:52:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-11-22 01:52:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:52:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:52:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:52:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 01:52:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 01:52:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-22 01:52:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-22 01:52:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-22 01:52:07,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-22 01:52:07,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 01:52:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 01:52:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 01:52:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 01:52:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-11-22 01:52:07,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-11-22 01:52:07,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:52:07,081 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 01:52:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 01:52:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:52:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:52:07,085 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:52:07,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:52:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:52:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:52:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:52:07,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:52:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-11-22 01:52:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-11-22 01:52:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:52:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:52:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 01:52:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 01:52:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-11-22 01:52:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-11-22 01:52:07,092 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 01:52:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 01:52:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-11-22 01:52:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-11-22 01:52:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:52:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:52:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-22 01:52:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-22 01:52:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:52:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:52:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:52:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:52:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-11-22 01:52:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-11-22 01:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-22 01:52:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-22 01:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:52:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:52:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-11-22 01:52:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-11-22 01:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-22 01:52:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-22 01:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:52:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:52:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:52:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:52:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-11-22 01:52:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-11-22 01:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-11-22 01:52:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-11-22 01:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-11-22 01:52:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-11-22 01:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 01:52:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:52:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:52:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-11-22 01:52:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-11-22 01:52:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-11-22 01:52:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-11-22 01:52:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 01:52:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 01:52:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:52:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:52:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-22 01:52:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-22 01:52:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:52:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:52:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:52:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:52:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-22 01:52:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-22 01:52:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-11-22 01:52:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-11-22 01:52:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-11-22 01:52:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-11-22 01:52:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-11-22 01:52:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-11-22 01:52:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:52:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:52:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:52:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-11-22 01:52:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-11-22 01:52:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:52:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:52:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:52:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-11-22 01:52:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-11-22 01:52:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:52:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-11-22 01:52:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-11-22 01:52:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-11-22 01:52:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-11-22 01:52:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-22 01:52:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-22 01:52:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:52:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:52:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-22 01:52:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-22 01:52:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:52:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:52:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-11-22 01:52:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-11-22 01:52:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-22 01:52:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-22 01:52:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 01:52:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 01:52:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-11-22 01:52:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-11-22 01:52:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-22 01:52:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-22 01:52:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-11-22 01:52:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-11-22 01:52:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-11-22 01:52:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-11-22 01:52:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 01:52:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 01:52:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:52:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:52:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:52:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:52:07,111 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-11-22 01:52:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-11-22 01:52:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:52:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:52:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-11-22 01:52:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-11-22 01:52:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-11-22 01:52:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-11-22 01:52:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-22 01:52:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-22 01:52:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:52:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:52:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:52:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-11-22 01:52:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-11-22 01:52:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:52:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:52:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:52:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:52:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:52:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:52:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-11-22 01:52:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-11-22 01:52:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-11-22 01:52:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-11-22 01:52:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 01:52:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 01:52:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-11-22 01:52:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-11-22 01:52:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:52:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:52:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:52:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-22 01:52:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-22 01:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-22 01:52:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-22 01:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:52:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-22 01:52:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-22 01:52:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-22 01:52:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-22 01:52:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:52:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:52:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-22 01:52:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-22 01:52:08,330 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:52:08,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:52:08,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:52:19,216 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:52:19,414 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:52:21,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:52:21,804 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-22 01:52:21,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:52:21 BoogieIcfgContainer [2022-11-22 01:52:21,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:52:21,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:52:21,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:52:21,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:52:21,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:52:01" (1/3) ... [2022-11-22 01:52:21,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b088ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:52:21, skipping insertion in model container [2022-11-22 01:52:21,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:52:06" (2/3) ... [2022-11-22 01:52:21,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b088ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:52:21, skipping insertion in model container [2022-11-22 01:52:21,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:52:21" (3/3) ... [2022-11-22 01:52:21,821 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-11-22 01:52:21,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:52:21,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:52:21,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:52:22,005 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;@8e713ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:52:22,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:52:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 2006 states, 1183 states have (on average 1.312764158918005) internal successors, (1553), 1223 states have internal predecessors, (1553), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) [2022-11-22 01:52:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-22 01:52:22,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:22,070 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 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] [2022-11-22 01:52:22,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:52:22,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:22,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1358673916, now seen corresponding path program 1 times [2022-11-22 01:52:22,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:22,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392739531] [2022-11-22 01:52:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-11-22 01:52:23,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:23,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392739531] [2022-11-22 01:52:23,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392739531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:23,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:23,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:52:23,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234302066] [2022-11-22 01:52:23,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:23,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:52:23,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:23,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:52:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:23,175 INFO L87 Difference]: Start difference. First operand has 2006 states, 1183 states have (on average 1.312764158918005) internal successors, (1553), 1223 states have internal predecessors, (1553), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 01:52:26,001 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 [] [2022-11-22 01:52:27,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:27,920 INFO L93 Difference]: Finished difference Result 5318 states and 7812 transitions. [2022-11-22 01:52:27,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:52:27,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 235 [2022-11-22 01:52:27,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:27,966 INFO L225 Difference]: With dead ends: 5318 [2022-11-22 01:52:27,966 INFO L226 Difference]: Without dead ends: 3249 [2022-11-22 01:52:27,985 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 [2022-11-22 01:52:27,988 INFO L413 NwaCegarLoop]: 3018 mSDtfsCounter, 1950 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 5468 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:27,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 5468 Invalid, 860 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-22 01:52:28,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2022-11-22 01:52:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 3246. [2022-11-22 01:52:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3246 states, 1929 states have (on average 1.299118714359772) internal successors, (2506), 1989 states have internal predecessors, (2506), 1085 states have call successors, (1085), 232 states have call predecessors, (1085), 231 states have return successors, (1090), 1059 states have call predecessors, (1090), 1085 states have call successors, (1090) [2022-11-22 01:52:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 4681 transitions. [2022-11-22 01:52:28,369 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 4681 transitions. Word has length 235 [2022-11-22 01:52:28,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:28,374 INFO L495 AbstractCegarLoop]: Abstraction has 3246 states and 4681 transitions. [2022-11-22 01:52:28,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 01:52:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 4681 transitions. [2022-11-22 01:52:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-22 01:52:28,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:28,398 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:52:28,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:52:28,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:52:28,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1923791649, now seen corresponding path program 1 times [2022-11-22 01:52:28,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:28,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451288481] [2022-11-22 01:52:28,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:28,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-11-22 01:52:28,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:28,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451288481] [2022-11-22 01:52:28,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451288481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:28,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:28,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:52:28,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682092639] [2022-11-22 01:52:28,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:28,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:52:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:28,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:52:28,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:28,956 INFO L87 Difference]: Start difference. First operand 3246 states and 4681 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 01:52:31,947 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 [] [2022-11-22 01:52:33,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:33,691 INFO L93 Difference]: Finished difference Result 8406 states and 12135 transitions. [2022-11-22 01:52:33,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:52:33,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 225 [2022-11-22 01:52:33,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:33,728 INFO L225 Difference]: With dead ends: 8406 [2022-11-22 01:52:33,728 INFO L226 Difference]: Without dead ends: 5187 [2022-11-22 01:52:33,745 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 [2022-11-22 01:52:33,747 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 1978 mSDsluCounter, 2399 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 5656 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:33,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 5656 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 942 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-22 01:52:33,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5187 states. [2022-11-22 01:52:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5187 to 5183. [2022-11-22 01:52:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3110 states have (on average 1.3093247588424437) internal successors, (4072), 3206 states have internal predecessors, (4072), 1691 states have call successors, (1691), 382 states have call predecessors, (1691), 381 states have return successors, (1698), 1650 states have call predecessors, (1698), 1691 states have call successors, (1698) [2022-11-22 01:52:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7461 transitions. [2022-11-22 01:52:34,052 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7461 transitions. Word has length 225 [2022-11-22 01:52:34,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:34,055 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7461 transitions. [2022-11-22 01:52:34,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 01:52:34,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7461 transitions. [2022-11-22 01:52:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-22 01:52:34,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:34,070 INFO L195 NwaCegarLoop]: trace histogram [17, 13, 13, 13, 13, 13, 13, 5, 5, 4, 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] [2022-11-22 01:52:34,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:52:34,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:52:34,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:34,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1072133144, now seen corresponding path program 1 times [2022-11-22 01:52:34,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:34,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87608416] [2022-11-22 01:52:34,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:34,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:34,800 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2022-11-22 01:52:34,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:34,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87608416] [2022-11-22 01:52:34,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87608416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:34,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:34,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:52:34,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151874613] [2022-11-22 01:52:34,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:34,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:52:34,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:34,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:52:34,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:34,808 INFO L87 Difference]: Start difference. First operand 5183 states and 7461 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-22 01:52:37,876 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 [] [2022-11-22 01:52:40,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:41,322 INFO L93 Difference]: Finished difference Result 12278 states and 17693 transitions. [2022-11-22 01:52:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:52:41,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 274 [2022-11-22 01:52:41,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:41,377 INFO L225 Difference]: With dead ends: 12278 [2022-11-22 01:52:41,377 INFO L226 Difference]: Without dead ends: 7122 [2022-11-22 01:52:41,408 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 [2022-11-22 01:52:41,412 INFO L413 NwaCegarLoop]: 3503 mSDtfsCounter, 1977 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 5894 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:41,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 5894 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1004 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-22 01:52:41,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7122 states. [2022-11-22 01:52:41,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7122 to 7118. [2022-11-22 01:52:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7118 states, 4289 states have (on average 1.314059221263698) internal successors, (5636), 4421 states have internal predecessors, (5636), 2297 states have call successors, (2297), 532 states have call predecessors, (2297), 531 states have return successors, (2306), 2241 states have call predecessors, (2306), 2297 states have call successors, (2306) [2022-11-22 01:52:41,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7118 states to 7118 states and 10239 transitions. [2022-11-22 01:52:41,959 INFO L78 Accepts]: Start accepts. Automaton has 7118 states and 10239 transitions. Word has length 274 [2022-11-22 01:52:41,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:41,961 INFO L495 AbstractCegarLoop]: Abstraction has 7118 states and 10239 transitions. [2022-11-22 01:52:41,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-22 01:52:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 7118 states and 10239 transitions. [2022-11-22 01:52:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-11-22 01:52:41,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:41,980 INFO L195 NwaCegarLoop]: trace histogram [18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:52:41,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:52:41,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:52:41,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:41,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1503814907, now seen corresponding path program 1 times [2022-11-22 01:52:41,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:41,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339596663] [2022-11-22 01:52:41,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:41,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 998 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 998 trivial. 0 not checked. [2022-11-22 01:52:42,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:42,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339596663] [2022-11-22 01:52:42,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339596663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:42,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:42,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:52:42,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777181110] [2022-11-22 01:52:42,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:42,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:52:42,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:42,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:52:42,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:42,682 INFO L87 Difference]: Start difference. First operand 7118 states and 10239 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-22 01:52:45,481 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 [] [2022-11-22 01:52:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:46,995 INFO L93 Difference]: Finished difference Result 14102 states and 20176 transitions. [2022-11-22 01:52:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:52:46,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 350 [2022-11-22 01:52:46,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:47,043 INFO L225 Difference]: With dead ends: 14102 [2022-11-22 01:52:47,043 INFO L226 Difference]: Without dead ends: 7011 [2022-11-22 01:52:47,080 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 [2022-11-22 01:52:47,081 INFO L413 NwaCegarLoop]: 2626 mSDtfsCounter, 2620 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 3360 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:47,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 3360 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 516 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-22 01:52:47,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7011 states. [2022-11-22 01:52:47,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7011 to 7009. [2022-11-22 01:52:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7009 states, 4190 states have (on average 1.3004773269689738) internal successors, (5449), 4318 states have internal predecessors, (5449), 2258 states have call successors, (2258), 560 states have call predecessors, (2258), 560 states have return successors, (2263), 2203 states have call predecessors, (2263), 2258 states have call successors, (2263) [2022-11-22 01:52:47,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7009 states to 7009 states and 9970 transitions. [2022-11-22 01:52:47,597 INFO L78 Accepts]: Start accepts. Automaton has 7009 states and 9970 transitions. Word has length 350 [2022-11-22 01:52:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:47,598 INFO L495 AbstractCegarLoop]: Abstraction has 7009 states and 9970 transitions. [2022-11-22 01:52:47,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-22 01:52:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 7009 states and 9970 transitions. [2022-11-22 01:52:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-22 01:52:47,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:47,613 INFO L195 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 9, 9, 4, 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] [2022-11-22 01:52:47,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:52:47,614 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:52:47,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:47,615 INFO L85 PathProgramCache]: Analyzing trace with hash -948208712, now seen corresponding path program 1 times [2022-11-22 01:52:47,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:47,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728600356] [2022-11-22 01:52:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:47,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 956 trivial. 0 not checked. [2022-11-22 01:52:48,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:48,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728600356] [2022-11-22 01:52:48,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728600356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:48,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:48,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:52:48,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501159167] [2022-11-22 01:52:48,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:48,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:52:48,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:48,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:52:48,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:48,167 INFO L87 Difference]: Start difference. First operand 7009 states and 9970 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-22 01:52:51,086 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 [] [2022-11-22 01:52:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:52,492 INFO L93 Difference]: Finished difference Result 14047 states and 20026 transitions. [2022-11-22 01:52:52,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:52:52,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 336 [2022-11-22 01:52:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:52,543 INFO L225 Difference]: With dead ends: 14047 [2022-11-22 01:52:52,543 INFO L226 Difference]: Without dead ends: 7065 [2022-11-22 01:52:52,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:52,578 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 8 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4818 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:52,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4818 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 800 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-22 01:52:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7065 states. [2022-11-22 01:52:53,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7065 to 7013. [2022-11-22 01:52:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7013 states, 4194 states have (on average 1.3001907486886028) internal successors, (5453), 4322 states have internal predecessors, (5453), 2258 states have call successors, (2258), 560 states have call predecessors, (2258), 560 states have return successors, (2263), 2203 states have call predecessors, (2263), 2258 states have call successors, (2263) [2022-11-22 01:52:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7013 states to 7013 states and 9974 transitions. [2022-11-22 01:52:53,071 INFO L78 Accepts]: Start accepts. Automaton has 7013 states and 9974 transitions. Word has length 336 [2022-11-22 01:52:53,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:53,072 INFO L495 AbstractCegarLoop]: Abstraction has 7013 states and 9974 transitions. [2022-11-22 01:52:53,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-22 01:52:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 7013 states and 9974 transitions. [2022-11-22 01:52:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-22 01:52:53,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:53,087 INFO L195 NwaCegarLoop]: trace histogram [19, 13, 13, 13, 13, 13, 13, 9, 9, 4, 3, 3, 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] [2022-11-22 01:52:53,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:52:53,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:52:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1316386147, now seen corresponding path program 1 times [2022-11-22 01:52:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:53,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178722996] [2022-11-22 01:52:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:52:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2022-11-22 01:52:54,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:52:54,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178722996] [2022-11-22 01:52:54,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178722996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:52:54,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:52:54,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:52:54,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015408325] [2022-11-22 01:52:54,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:52:54,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:52:54,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:52:54,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:52:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:52:54,012 INFO L87 Difference]: Start difference. First operand 7013 states and 9974 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-22 01:52:57,103 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 [] [2022-11-22 01:52:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:59,273 INFO L93 Difference]: Finished difference Result 15667 states and 22302 transitions. [2022-11-22 01:52:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:52:59,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 354 [2022-11-22 01:52:59,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:59,322 INFO L225 Difference]: With dead ends: 15667 [2022-11-22 01:52:59,322 INFO L226 Difference]: Without dead ends: 8681 [2022-11-22 01:52:59,351 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 [2022-11-22 01:52:59,352 INFO L413 NwaCegarLoop]: 3900 mSDtfsCounter, 1985 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 6123 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:59,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 6123 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1069 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-22 01:52:59,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8681 states. [2022-11-22 01:52:59,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8681 to 8677. [2022-11-22 01:52:59,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8677 states, 5205 states have (on average 1.3041306436119116) internal successors, (6788), 5365 states have internal predecessors, (6788), 2773 states have call successors, (2773), 698 states have call predecessors, (2773), 698 states have return successors, (2778), 2705 states have call predecessors, (2778), 2773 states have call successors, (2778) [2022-11-22 01:53:00,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8677 states to 8677 states and 12339 transitions. [2022-11-22 01:53:00,013 INFO L78 Accepts]: Start accepts. Automaton has 8677 states and 12339 transitions. Word has length 354 [2022-11-22 01:53:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:00,014 INFO L495 AbstractCegarLoop]: Abstraction has 8677 states and 12339 transitions. [2022-11-22 01:53:00,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-22 01:53:00,014 INFO L276 IsEmpty]: Start isEmpty. Operand 8677 states and 12339 transitions. [2022-11-22 01:53:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-22 01:53:00,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:00,027 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 13, 13, 13, 11, 11, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:00,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:53:00,027 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:00,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:00,028 INFO L85 PathProgramCache]: Analyzing trace with hash 179679913, now seen corresponding path program 1 times [2022-11-22 01:53:00,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:00,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989896231] [2022-11-22 01:53:00,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2022-11-22 01:53:00,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:00,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989896231] [2022-11-22 01:53:00,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989896231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:00,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:00,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:53:00,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378123521] [2022-11-22 01:53:00,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:00,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:53:00,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:00,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:53:00,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:00,818 INFO L87 Difference]: Start difference. First operand 8677 states and 12339 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-22 01:53:04,014 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 [] [2022-11-22 01:53:05,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:05,613 INFO L93 Difference]: Finished difference Result 18976 states and 27021 transitions. [2022-11-22 01:53:05,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:53:05,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 397 [2022-11-22 01:53:05,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:05,668 INFO L225 Difference]: With dead ends: 18976 [2022-11-22 01:53:05,669 INFO L226 Difference]: Without dead ends: 10326 [2022-11-22 01:53:05,703 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 [2022-11-22 01:53:05,704 INFO L413 NwaCegarLoop]: 3426 mSDtfsCounter, 1795 mSDsluCounter, 2365 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 5791 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:05,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 5791 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1005 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-22 01:53:05,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10326 states. [2022-11-22 01:53:06,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10326 to 10322. [2022-11-22 01:53:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10322 states, 6210 states have (on average 1.3075684380032206) internal successors, (8120), 6402 states have internal predecessors, (8120), 3284 states have call successors, (3284), 827 states have call predecessors, (3284), 827 states have return successors, (3289), 3203 states have call predecessors, (3289), 3284 states have call successors, (3289) [2022-11-22 01:53:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10322 states to 10322 states and 14693 transitions. [2022-11-22 01:53:06,541 INFO L78 Accepts]: Start accepts. Automaton has 10322 states and 14693 transitions. Word has length 397 [2022-11-22 01:53:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:06,543 INFO L495 AbstractCegarLoop]: Abstraction has 10322 states and 14693 transitions. [2022-11-22 01:53:06,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-22 01:53:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 10322 states and 14693 transitions. [2022-11-22 01:53:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-11-22 01:53:06,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:06,566 INFO L195 NwaCegarLoop]: trace histogram [23, 13, 13, 13, 13, 13, 13, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:06,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:53:06,567 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:06,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:06,568 INFO L85 PathProgramCache]: Analyzing trace with hash 321997607, now seen corresponding path program 1 times [2022-11-22 01:53:06,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:06,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979870733] [2022-11-22 01:53:06,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1303 trivial. 0 not checked. [2022-11-22 01:53:08,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:08,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979870733] [2022-11-22 01:53:08,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979870733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:08,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:08,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:53:08,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680978351] [2022-11-22 01:53:08,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:08,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:53:08,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:08,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:53:08,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:53:08,268 INFO L87 Difference]: Start difference. First operand 10322 states and 14693 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-22 01:53:11,445 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 [] [2022-11-22 01:53:13,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:13,710 INFO L93 Difference]: Finished difference Result 20635 states and 29450 transitions. [2022-11-22 01:53:13,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:53:13,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 433 [2022-11-22 01:53:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:13,765 INFO L225 Difference]: With dead ends: 20635 [2022-11-22 01:53:13,766 INFO L226 Difference]: Without dead ends: 10340 [2022-11-22 01:53:13,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:53:13,806 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 6 mSDsluCounter, 7206 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 9610 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:13,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 9610 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1601 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-22 01:53:13,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10340 states. [2022-11-22 01:53:14,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10340 to 10340. [2022-11-22 01:53:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10340 states, 6224 states have (on average 1.306555269922879) internal successors, (8132), 6416 states have internal predecessors, (8132), 3283 states have call successors, (3283), 832 states have call predecessors, (3283), 832 states have return successors, (3288), 3202 states have call predecessors, (3288), 3283 states have call successors, (3288) [2022-11-22 01:53:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10340 states to 10340 states and 14703 transitions. [2022-11-22 01:53:14,500 INFO L78 Accepts]: Start accepts. Automaton has 10340 states and 14703 transitions. Word has length 433 [2022-11-22 01:53:14,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:14,501 INFO L495 AbstractCegarLoop]: Abstraction has 10340 states and 14703 transitions. [2022-11-22 01:53:14,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-22 01:53:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10340 states and 14703 transitions. [2022-11-22 01:53:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-11-22 01:53:14,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:14,517 INFO L195 NwaCegarLoop]: trace histogram [22, 15, 15, 15, 15, 15, 15, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-22 01:53:14,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:53:14,518 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:14,518 INFO L85 PathProgramCache]: Analyzing trace with hash -72409533, now seen corresponding path program 1 times [2022-11-22 01:53:14,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:14,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846498168] [2022-11-22 01:53:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:14,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-11-22 01:53:15,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:15,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846498168] [2022-11-22 01:53:15,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846498168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:15,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:15,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:53:15,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346076561] [2022-11-22 01:53:15,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:15,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:53:15,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:15,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:53:15,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:15,284 INFO L87 Difference]: Start difference. First operand 10340 states and 14703 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-22 01:53:18,172 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 [] [2022-11-22 01:53:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:19,438 INFO L93 Difference]: Finished difference Result 20673 states and 29403 transitions. [2022-11-22 01:53:19,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:53:19,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 450 [2022-11-22 01:53:19,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:19,494 INFO L225 Difference]: With dead ends: 20673 [2022-11-22 01:53:19,495 INFO L226 Difference]: Without dead ends: 10360 [2022-11-22 01:53:19,533 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 [2022-11-22 01:53:19,534 INFO L413 NwaCegarLoop]: 2406 mSDtfsCounter, 7 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4797 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:19,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4797 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 811 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-22 01:53:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10360 states. [2022-11-22 01:53:20,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10360 to 10346. [2022-11-22 01:53:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10346 states, 6230 states have (on average 1.3062600321027287) internal successors, (8138), 6422 states have internal predecessors, (8138), 3283 states have call successors, (3283), 832 states have call predecessors, (3283), 832 states have return successors, (3288), 3202 states have call predecessors, (3288), 3283 states have call successors, (3288) [2022-11-22 01:53:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10346 states to 10346 states and 14709 transitions. [2022-11-22 01:53:20,068 INFO L78 Accepts]: Start accepts. Automaton has 10346 states and 14709 transitions. Word has length 450 [2022-11-22 01:53:20,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:20,070 INFO L495 AbstractCegarLoop]: Abstraction has 10346 states and 14709 transitions. [2022-11-22 01:53:20,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-22 01:53:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 10346 states and 14709 transitions. [2022-11-22 01:53:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-22 01:53:20,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:20,086 INFO L195 NwaCegarLoop]: trace histogram [22, 15, 15, 15, 15, 15, 15, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-11-22 01:53:20,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:53:20,086 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:20,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:20,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1174589514, now seen corresponding path program 1 times [2022-11-22 01:53:20,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:20,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796836796] [2022-11-22 01:53:20,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:20,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2022-11-22 01:53:23,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:23,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796836796] [2022-11-22 01:53:23,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796836796] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:53:23,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769799648] [2022-11-22 01:53:23,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:23,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:53:23,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:53:23,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:53:23,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c04553b-bcf9-41c6-bb94-9f24fa59f94a/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:53:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:25,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 5404 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:53:25,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:53:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2022-11-22 01:53:25,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:53:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2022-11-22 01:53:26,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769799648] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:53:26,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [354325468] [2022-11-22 01:53:26,120 INFO L159 IcfgInterpreter]: Started Sifa with 230 locations of interest [2022-11-22 01:53:26,120 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:53:26,126 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:53:26,154 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:53:26,154 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:58:43,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:58:43,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:58:45,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:58:45,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:58:46,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:58:46,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:31,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:31,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:32,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:32,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:38,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:38,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:38,872 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:38,880 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:00:20,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:20,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:20,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:20,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:26,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:26,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:26,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:26,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:30,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:30,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:30,373 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:01:30,377 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:01:37,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:37,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:37,825 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:01:37,834 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:02:35,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:02:35,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:02:36,202 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:02:36,205 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:02:43,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:02:43,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:02:43,402 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:02:43,407 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:03:45,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:45,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:45,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:45,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:49,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:49,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:49,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:49,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3