./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-renesas-sh_eth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/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_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/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_6127df9d-798c-404a-87c5-35f23fa8aca8/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 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 --- 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 02:00:52,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:00:52,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:00:52,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:00:52,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:00:52,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:00:52,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:00:52,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:00:52,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:00:52,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:00:52,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:00:52,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:00:52,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:00:52,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:00:52,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:00:52,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:00:52,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:00:52,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:00:52,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:00:52,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:00:52,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:00:52,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:00:52,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:00:52,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:00:52,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:00:52,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:00:52,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:00:52,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:00:52,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:00:52,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:00:52,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:00:52,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:00:52,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:00:52,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:00:52,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:00:52,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:00:52,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:00:52,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:00:52,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:00:52,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:00:52,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:00:52,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:00:52,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:00:52,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:00:52,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:00:52,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:00:52,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:00:52,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:00:52,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:00:52,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:00:52,281 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:00:52,281 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:00:52,283 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:00:52,283 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:00:52,283 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:00:52,283 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:00:52,283 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:00:52,284 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:00:52,284 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:00:52,284 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:00:52,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:00:52,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:00:52,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:00:52,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:00:52,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:00:52,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:00:52,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:00:52,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:00:52,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:00:52,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:00:52,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:00:52,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:00:52,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:00:52,288 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:00:52,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:00:52,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:00:52,290 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:00:52,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:00:52,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:00:52,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:00:52,290 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_6127df9d-798c-404a-87c5-35f23fa8aca8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09cbaebb1ba63467573f762e7ad2cc192d5056a63325ea78efceb6e965b304c3 [2022-11-22 02:00:52,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:00:52,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:00:52,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:00:52,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:00:52,649 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:00:52,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-22 02:00:55,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:00:56,487 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:00:56,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-22 02:00:56,570 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/data/3f3db3b5f/37266c3d69134b74864e01f64575704b/FLAG58ec50683 [2022-11-22 02:00:56,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/data/3f3db3b5f/37266c3d69134b74864e01f64575704b [2022-11-22 02:00:56,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:00:56,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:00:56,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:00:56,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:00:56,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:00:56,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:56" (1/1) ... [2022-11-22 02:00:56,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230a9a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:00:56, skipping insertion in model container [2022-11-22 02:00:56,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:00:56" (1/1) ... [2022-11-22 02:00:56,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:00:56,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:01:01,456 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_6127df9d-798c-404a-87c5-35f23fa8aca8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2022-11-22 02:01:01,461 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_6127df9d-798c-404a-87c5-35f23fa8aca8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2022-11-22 02:01:01,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:01:01,590 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:01:02,107 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_6127df9d-798c-404a-87c5-35f23fa8aca8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541974,541987] [2022-11-22 02:01:02,108 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_6127df9d-798c-404a-87c5-35f23fa8aca8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[542119,542132] [2022-11-22 02:01:02,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:01:02,518 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:01:02,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02 WrapperNode [2022-11-22 02:01:02,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:01:02,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:01:02,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:01:02,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:01:02,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:02,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,108 INFO L138 Inliner]: procedures = 678, calls = 3864, calls flagged for inlining = 401, calls inlined = 378, statements flattened = 9094 [2022-11-22 02:01:03,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:01:03,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:01:03,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:01:03,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:01:03,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:01:03,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:01:03,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:01:03,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:01:03,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (1/1) ... [2022-11-22 02:01:03,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:01:03,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:01:03,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:01:03,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6127df9d-798c-404a-87c5-35f23fa8aca8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:01:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:01:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:01:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 02:01:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 02:01:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2022-11-22 02:01:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2022-11-22 02:01:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2022-11-22 02:01:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2022-11-22 02:01:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 02:01:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 02:01:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-11-22 02:01:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-11-22 02:01:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2022-11-22 02:01:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2022-11-22 02:01:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2022-11-22 02:01:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2022-11-22 02:01:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:01:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:01:03,655 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2022-11-22 02:01:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2022-11-22 02:01:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2022-11-22 02:01:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2022-11-22 02:01:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2022-11-22 02:01:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2022-11-22 02:01:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 02:01:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 02:01:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2022-11-22 02:01:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2022-11-22 02:01:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-22 02:01:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-22 02:01:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:01:03,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:01:03,658 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:01:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:01:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2022-11-22 02:01:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2022-11-22 02:01:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-22 02:01:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-22 02:01:03,659 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2022-11-22 02:01:03,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2022-11-22 02:01:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2022-11-22 02:01:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2022-11-22 02:01:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2022-11-22 02:01:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2022-11-22 02:01:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-22 02:01:03,660 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-22 02:01:03,660 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-22 02:01:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-22 02:01:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:01:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:01:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-22 02:01:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-22 02:01:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 02:01:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 02:01:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:01:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:01:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2022-11-22 02:01:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2022-11-22 02:01:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-22 02:01:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-22 02:01:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:01:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_83 [2022-11-22 02:01:03,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_83 [2022-11-22 02:01:03,663 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2022-11-22 02:01:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2022-11-22 02:01:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-22 02:01:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-22 02:01:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:01:03,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:01:03,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 02:01:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 02:01:03,665 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2022-11-22 02:01:03,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2022-11-22 02:01:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:01:03,666 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:01:03,666 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:01:03,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 02:01:03,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 02:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2022-11-22 02:01:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2022-11-22 02:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2022-11-22 02:01:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2022-11-22 02:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:01:03,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:01:03,668 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2022-11-22 02:01:03,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2022-11-22 02:01:03,669 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:01:03,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:01:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2022-11-22 02:01:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2022-11-22 02:01:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 02:01:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 02:01:03,670 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2022-11-22 02:01:03,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2022-11-22 02:01:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:01:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:01:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 02:01:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 02:01:03,671 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2022-11-22 02:01:03,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2022-11-22 02:01:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2022-11-22 02:01:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2022-11-22 02:01:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 02:01:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 02:01:03,672 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2022-11-22 02:01:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2022-11-22 02:01:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2022-11-22 02:01:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2022-11-22 02:01:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-22 02:01:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-22 02:01:03,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:01:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 02:01:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 02:01:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 02:01:03,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 02:01:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 02:01:03,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 02:01:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 02:01:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 02:01:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 02:01:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 02:01:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2022-11-22 02:01:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2022-11-22 02:01:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:01:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:01:03,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:01:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:01:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:01:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:01:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:01:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:01:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:01:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:01:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:01:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 02:01:03,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 02:01:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 02:01:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 02:01:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2022-11-22 02:01:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2022-11-22 02:01:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2022-11-22 02:01:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2022-11-22 02:01:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2022-11-22 02:01:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2022-11-22 02:01:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-22 02:01:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-22 02:01:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 02:01:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 02:01:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-22 02:01:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-22 02:01:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:01:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:01:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 02:01:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 02:01:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:01:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:01:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2022-11-22 02:01:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2022-11-22 02:01:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:01:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:01:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2022-11-22 02:01:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2022-11-22 02:01:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:01:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:01:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2022-11-22 02:01:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2022-11-22 02:01:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2022-11-22 02:01:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2022-11-22 02:01:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:01:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:01:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:01:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:01:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2022-11-22 02:01:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2022-11-22 02:01:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2022-11-22 02:01:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2022-11-22 02:01:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:01:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2022-11-22 02:01:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2022-11-22 02:01:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2022-11-22 02:01:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2022-11-22 02:01:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2022-11-22 02:01:03,692 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2022-11-22 02:01:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:01:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:01:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2022-11-22 02:01:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2022-11-22 02:01:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2022-11-22 02:01:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2022-11-22 02:01:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 02:01:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 02:01:03,693 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2022-11-22 02:01:03,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2022-11-22 02:01:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2022-11-22 02:01:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2022-11-22 02:01:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-22 02:01:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-22 02:01:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2022-11-22 02:01:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2022-11-22 02:01:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 02:01:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 02:01:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:01:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:01:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:01:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:01:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2022-11-22 02:01:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2022-11-22 02:01:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2022-11-22 02:01:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2022-11-22 02:01:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:01:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2022-11-22 02:01:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2022-11-22 02:01:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:01:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:01:03,696 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2022-11-22 02:01:03,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2022-11-22 02:01:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:01:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:01:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2022-11-22 02:01:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2022-11-22 02:01:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 02:01:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 02:01:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2022-11-22 02:01:03,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2022-11-22 02:01:03,697 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2022-11-22 02:01:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2022-11-22 02:01:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2022-11-22 02:01:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2022-11-22 02:01:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2022-11-22 02:01:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2022-11-22 02:01:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2022-11-22 02:01:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2022-11-22 02:01:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 02:01:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 02:01:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 02:01:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 02:01:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2022-11-22 02:01:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2022-11-22 02:01:03,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 02:01:03,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 02:01:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2022-11-22 02:01:03,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2022-11-22 02:01:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:01:03,704 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:01:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2022-11-22 02:01:03,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2022-11-22 02:01:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2022-11-22 02:01:03,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2022-11-22 02:01:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2022-11-22 02:01:03,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2022-11-22 02:01:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2022-11-22 02:01:03,706 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2022-11-22 02:01:03,706 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:01:03,707 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:01:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2022-11-22 02:01:03,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2022-11-22 02:01:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2022-11-22 02:01:03,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2022-11-22 02:01:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:01:03,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:01:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2022-11-22 02:01:03,707 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2022-11-22 02:01:03,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2022-11-22 02:01:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2022-11-22 02:01:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2022-11-22 02:01:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2022-11-22 02:01:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:01:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2022-11-22 02:01:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2022-11-22 02:01:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2022-11-22 02:01:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2022-11-22 02:01:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2022-11-22 02:01:03,708 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2022-11-22 02:01:03,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:01:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:01:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2022-11-22 02:01:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2022-11-22 02:01:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 02:01:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 02:01:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-22 02:01:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-22 02:01:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2022-11-22 02:01:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2022-11-22 02:01:03,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 02:01:03,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 02:01:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2022-11-22 02:01:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2022-11-22 02:01:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 02:01:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 02:01:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2022-11-22 02:01:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2022-11-22 02:01:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2022-11-22 02:01:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2022-11-22 02:01:03,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:01:03,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:01:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 02:01:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 02:01:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 02:01:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 02:01:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:01:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2022-11-22 02:01:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2022-11-22 02:01:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:01:03,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:01:03,711 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-22 02:01:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-22 02:01:05,223 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:01:05,233 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:01:05,783 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:02:21,358 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 02:02:21,592 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:02:24,528 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:02:24,529 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-11-22 02:02:24,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:02:24 BoogieIcfgContainer [2022-11-22 02:02:24,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:02:24,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:02:24,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:02:24,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:02:24,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:00:56" (1/3) ... [2022-11-22 02:02:24,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47139d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:02:24, skipping insertion in model container [2022-11-22 02:02:24,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:01:02" (2/3) ... [2022-11-22 02:02:24,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47139d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:02:24, skipping insertion in model container [2022-11-22 02:02:24,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:02:24" (3/3) ... [2022-11-22 02:02:24,543 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2022-11-22 02:02:24,562 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:02:24,563 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:02:24,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:02:24,667 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;@44266f0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:02:24,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:02:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 2578 states, 1548 states have (on average 1.3430232558139534) internal successors, (2079), 1612 states have internal predecessors, (2079), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) [2022-11-22 02:02:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2022-11-22 02:02:24,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:24,766 INFO L195 NwaCegarLoop]: trace histogram [54, 52, 52, 52, 52, 52, 52, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:02:24,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:02:24,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash 263289587, now seen corresponding path program 1 times [2022-11-22 02:02:24,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:24,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659267398] [2022-11-22 02:02:24,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2022-11-22 02:02:26,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:26,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659267398] [2022-11-22 02:02:26,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659267398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:26,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:26,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:02:26,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065258179] [2022-11-22 02:02:26,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:26,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:26,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:26,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:26,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:26,976 INFO L87 Difference]: Start difference. First operand has 2578 states, 1548 states have (on average 1.3430232558139534) internal successors, (2079), 1612 states have internal predecessors, (2079), 891 states have call successors, (891), 145 states have call predecessors, (891), 144 states have return successors, (880), 854 states have call predecessors, (880), 880 states have call successors, (880) Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:02:29,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:34,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:35,073 INFO L93 Difference]: Finished difference Result 7143 states and 10803 transitions. [2022-11-22 02:02:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:35,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 603 [2022-11-22 02:02:35,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:35,140 INFO L225 Difference]: With dead ends: 7143 [2022-11-22 02:02:35,140 INFO L226 Difference]: Without dead ends: 4603 [2022-11-22 02:02:35,167 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 02:02:35,170 INFO L413 NwaCegarLoop]: 3970 mSDtfsCounter, 3102 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 7157 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:35,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 7157 Invalid, 1257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1226 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-11-22 02:02:35,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4603 states. [2022-11-22 02:02:35,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4603 to 4599. [2022-11-22 02:02:35,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4599 states, 2783 states have (on average 1.3352497305066475) internal successors, (3716), 2890 states have internal predecessors, (3716), 1536 states have call successors, (1536), 279 states have call predecessors, (1536), 279 states have return successors, (1537), 1485 states have call predecessors, (1537), 1536 states have call successors, (1537) [2022-11-22 02:02:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4599 states to 4599 states and 6789 transitions. [2022-11-22 02:02:35,535 INFO L78 Accepts]: Start accepts. Automaton has 4599 states and 6789 transitions. Word has length 603 [2022-11-22 02:02:35,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:35,538 INFO L495 AbstractCegarLoop]: Abstraction has 4599 states and 6789 transitions. [2022-11-22 02:02:35,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:02:35,539 INFO L276 IsEmpty]: Start isEmpty. Operand 4599 states and 6789 transitions. [2022-11-22 02:02:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-11-22 02:02:35,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:35,591 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:02:35,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:02:35,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:02:35,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:35,592 INFO L85 PathProgramCache]: Analyzing trace with hash 222062727, now seen corresponding path program 1 times [2022-11-22 02:02:35,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:35,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157421144] [2022-11-22 02:02:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:35,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-22 02:02:36,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:36,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157421144] [2022-11-22 02:02:36,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157421144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:36,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:36,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:02:36,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138212908] [2022-11-22 02:02:36,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:36,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:36,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:36,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:36,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:36,760 INFO L87 Difference]: Start difference. First operand 4599 states and 6789 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:02:38,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:42,627 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 02:02:44,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:44,752 INFO L93 Difference]: Finished difference Result 13293 states and 19622 transitions. [2022-11-22 02:02:44,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:44,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 620 [2022-11-22 02:02:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:44,818 INFO L225 Difference]: With dead ends: 13293 [2022-11-22 02:02:44,818 INFO L226 Difference]: Without dead ends: 8799 [2022-11-22 02:02:44,849 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 02:02:44,850 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 3242 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:44,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3242 Valid, 7069 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-22 02:02:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8799 states. [2022-11-22 02:02:45,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8799 to 8797. [2022-11-22 02:02:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8797 states, 5338 states have (on average 1.3343949044585988) internal successors, (7123), 5547 states have internal predecessors, (7123), 2901 states have call successors, (2901), 557 states have call predecessors, (2901), 557 states have return successors, (2955), 2803 states have call predecessors, (2955), 2901 states have call successors, (2955) [2022-11-22 02:02:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8797 states to 8797 states and 12979 transitions. [2022-11-22 02:02:45,425 INFO L78 Accepts]: Start accepts. Automaton has 8797 states and 12979 transitions. Word has length 620 [2022-11-22 02:02:45,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:45,427 INFO L495 AbstractCegarLoop]: Abstraction has 8797 states and 12979 transitions. [2022-11-22 02:02:45,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:02:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 8797 states and 12979 transitions. [2022-11-22 02:02:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2022-11-22 02:02:45,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:45,470 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:02:45,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:02:45,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:02:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:45,472 INFO L85 PathProgramCache]: Analyzing trace with hash 669965535, now seen corresponding path program 1 times [2022-11-22 02:02:45,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:45,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298864959] [2022-11-22 02:02:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:45,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-22 02:02:46,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:46,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298864959] [2022-11-22 02:02:46,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298864959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:46,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:46,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:02:46,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590169593] [2022-11-22 02:02:46,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:46,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:46,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:46,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:46,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:46,364 INFO L87 Difference]: Start difference. First operand 8797 states and 12979 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:02:48,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:02:52,238 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 02:02:54,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:02:54,649 INFO L93 Difference]: Finished difference Result 25713 states and 38019 transitions. [2022-11-22 02:02:54,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:02:54,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 618 [2022-11-22 02:02:54,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:02:54,799 INFO L225 Difference]: With dead ends: 25713 [2022-11-22 02:02:54,802 INFO L226 Difference]: Without dead ends: 17021 [2022-11-22 02:02:54,865 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 02:02:54,868 INFO L413 NwaCegarLoop]: 3985 mSDtfsCounter, 3244 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 7133 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:02:54,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 7133 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-22 02:02:54,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17021 states. [2022-11-22 02:02:55,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17021 to 17019. [2022-11-22 02:02:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17019 states, 10337 states have (on average 1.3319144819580149) internal successors, (13768), 10750 states have internal predecessors, (13768), 5568 states have call successors, (5568), 1113 states have call predecessors, (5568), 1113 states have return successors, (5840), 5375 states have call predecessors, (5840), 5568 states have call successors, (5840) [2022-11-22 02:02:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17019 states to 17019 states and 25176 transitions. [2022-11-22 02:02:55,940 INFO L78 Accepts]: Start accepts. Automaton has 17019 states and 25176 transitions. Word has length 618 [2022-11-22 02:02:55,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:02:55,943 INFO L495 AbstractCegarLoop]: Abstraction has 17019 states and 25176 transitions. [2022-11-22 02:02:55,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:02:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17019 states and 25176 transitions. [2022-11-22 02:02:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2022-11-22 02:02:55,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:02:55,978 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:02:55,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:02:55,979 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:02:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:02:55,980 INFO L85 PathProgramCache]: Analyzing trace with hash 202211727, now seen corresponding path program 1 times [2022-11-22 02:02:55,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:02:55,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133173872] [2022-11-22 02:02:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:02:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:02:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:02:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-22 02:02:57,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:02:57,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133173872] [2022-11-22 02:02:57,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133173872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:02:57,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:02:57,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:02:57,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61192494] [2022-11-22 02:02:57,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:02:57,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:02:57,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:02:57,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:02:57,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:02:57,016 INFO L87 Difference]: Start difference. First operand 17019 states and 25176 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:02:59,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:02,433 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 02:03:05,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:03:05,405 INFO L93 Difference]: Finished difference Result 50033 states and 74226 transitions. [2022-11-22 02:03:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:03:05,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 621 [2022-11-22 02:03:05,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:03:05,653 INFO L225 Difference]: With dead ends: 50033 [2022-11-22 02:03:05,653 INFO L226 Difference]: Without dead ends: 33119 [2022-11-22 02:03:05,767 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 02:03:05,771 INFO L413 NwaCegarLoop]: 4075 mSDtfsCounter, 3241 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:03:05,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 7223 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1249 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-22 02:03:05,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33119 states. [2022-11-22 02:03:08,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33119 to 33109. [2022-11-22 02:03:08,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33109 states, 20106 states have (on average 1.3286083756092708) internal successors, (26713), 20927 states have internal predecessors, (26713), 10777 states have call successors, (10777), 2225 states have call predecessors, (10777), 2225 states have return successors, (11668), 10393 states have call predecessors, (11668), 10777 states have call successors, (11668) [2022-11-22 02:03:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33109 states to 33109 states and 49158 transitions. [2022-11-22 02:03:08,283 INFO L78 Accepts]: Start accepts. Automaton has 33109 states and 49158 transitions. Word has length 621 [2022-11-22 02:03:08,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:03:08,284 INFO L495 AbstractCegarLoop]: Abstraction has 33109 states and 49158 transitions. [2022-11-22 02:03:08,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:03:08,285 INFO L276 IsEmpty]: Start isEmpty. Operand 33109 states and 49158 transitions. [2022-11-22 02:03:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2022-11-22 02:03:08,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:03:08,308 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:03:08,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:03:08,309 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:03:08,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:03:08,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1547169029, now seen corresponding path program 1 times [2022-11-22 02:03:08,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:03:08,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948196362] [2022-11-22 02:03:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:03:08,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:03:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:03:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-22 02:03:09,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:03:09,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948196362] [2022-11-22 02:03:09,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948196362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:03:09,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:03:09,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:03:09,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754750148] [2022-11-22 02:03:09,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:03:09,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:03:09,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:03:09,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:03:09,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:03:09,108 INFO L87 Difference]: Start difference. First operand 33109 states and 49158 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:03:11,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:14,936 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 02:03:19,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:03:19,280 INFO L93 Difference]: Finished difference Result 97613 states and 145366 transitions. [2022-11-22 02:03:19,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:03:19,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 619 [2022-11-22 02:03:19,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:03:20,064 INFO L225 Difference]: With dead ends: 97613 [2022-11-22 02:03:20,064 INFO L226 Difference]: Without dead ends: 64609 [2022-11-22 02:03:20,236 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 02:03:20,237 INFO L413 NwaCegarLoop]: 4137 mSDtfsCounter, 3243 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3243 SdHoareTripleChecker+Valid, 7285 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:03:20,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3243 Valid, 7285 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1283 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-22 02:03:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64609 states. [2022-11-22 02:03:24,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64609 to 64607. [2022-11-22 02:03:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64607 states, 39211 states have (on average 1.3245772869857948) internal successors, (51938), 40848 states have internal predecessors, (51938), 20946 states have call successors, (20946), 4449 states have call predecessors, (20946), 4449 states have return successors, (23400), 20179 states have call predecessors, (23400), 20946 states have call successors, (23400) [2022-11-22 02:03:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64607 states to 64607 states and 96284 transitions. [2022-11-22 02:03:24,877 INFO L78 Accepts]: Start accepts. Automaton has 64607 states and 96284 transitions. Word has length 619 [2022-11-22 02:03:24,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:03:24,878 INFO L495 AbstractCegarLoop]: Abstraction has 64607 states and 96284 transitions. [2022-11-22 02:03:24,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:03:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 64607 states and 96284 transitions. [2022-11-22 02:03:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2022-11-22 02:03:24,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:03:24,909 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:03:24,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:03:24,909 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:03:24,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:03:24,910 INFO L85 PathProgramCache]: Analyzing trace with hash -325544580, now seen corresponding path program 1 times [2022-11-22 02:03:24,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:03:24,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046433557] [2022-11-22 02:03:24,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:03:24,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:03:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:03:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10720 trivial. 0 not checked. [2022-11-22 02:03:26,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:03:26,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046433557] [2022-11-22 02:03:26,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046433557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:03:26,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:03:26,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:03:26,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377114539] [2022-11-22 02:03:26,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:03:26,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:03:26,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:03:26,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:03:26,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:03:26,176 INFO L87 Difference]: Start difference. First operand 64607 states and 96284 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:03:28,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:03:31,455 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 02:03:38,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:03:38,394 INFO L93 Difference]: Finished difference Result 190729 states and 285094 transitions. [2022-11-22 02:03:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:03:38,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 617 [2022-11-22 02:03:38,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:03:39,148 INFO L225 Difference]: With dead ends: 190729 [2022-11-22 02:03:39,148 INFO L226 Difference]: Without dead ends: 126227 [2022-11-22 02:03:39,385 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 02:03:39,386 INFO L413 NwaCegarLoop]: 4172 mSDtfsCounter, 3245 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 7320 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:03:39,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 7320 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1309 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-22 02:03:39,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126227 states. [2022-11-22 02:03:46,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126227 to 126225. [2022-11-22 02:03:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126225 states, 76540 states have (on average 1.3201332636529919) internal successors, (101043), 79809 states have internal predecessors, (101043), 40787 states have call successors, (40787), 8897 states have call predecessors, (40787), 8897 states have return successors, (46976), 39253 states have call predecessors, (46976), 40787 states have call successors, (46976) [2022-11-22 02:03:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126225 states to 126225 states and 188806 transitions. [2022-11-22 02:03:47,362 INFO L78 Accepts]: Start accepts. Automaton has 126225 states and 188806 transitions. Word has length 617 [2022-11-22 02:03:47,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:03:47,379 INFO L495 AbstractCegarLoop]: Abstraction has 126225 states and 188806 transitions. [2022-11-22 02:03:47,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-22 02:03:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 126225 states and 188806 transitions. [2022-11-22 02:03:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2022-11-22 02:03:47,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:03:47,429 INFO L195 NwaCegarLoop]: trace histogram [53, 52, 52, 52, 52, 52, 52, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:03:47,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:03:47,430 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:03:47,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:03:47,431 INFO L85 PathProgramCache]: Analyzing trace with hash -490493717, now seen corresponding path program 1 times [2022-11-22 02:03:47,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:03:47,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373079050] [2022-11-22 02:03:47,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:03:47,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms