./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.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_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/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_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/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_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/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 f37e3824e515882c7bcf8c367d3f56b0297fad2493f001664c6f9188e65f0eab --- 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 02:41:00,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:41:00,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:41:00,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:41:00,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:41:00,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:41:00,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:41:00,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:41:00,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:41:00,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:41:00,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:41:00,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:41:00,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:41:00,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:41:00,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:41:00,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:41:00,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:41:00,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:41:00,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:41:00,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:41:00,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:41:00,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:41:00,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:41:00,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:41:00,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:41:00,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:41:00,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:41:00,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:41:00,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:41:00,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:41:00,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:41:00,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:41:00,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:41:00,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:41:00,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:41:00,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:41:00,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:41:00,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:41:00,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:41:00,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:41:00,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:41:00,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:41:00,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:41:00,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:41:00,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:41:00,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:41:00,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:41:00,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:41:00,346 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:41:00,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:41:00,346 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:41:00,347 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:41:00,347 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:41:00,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:41:00,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:41:00,348 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:41:00,348 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:41:00,348 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:41:00,348 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:41:00,348 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:41:00,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:41:00,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:41:00,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:41:00,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:41:00,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:41:00,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:41:00,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:41:00,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:41:00,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:41:00,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:41:00,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:41:00,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:41:00,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:41:00,352 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:41:00,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:41:00,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:41:00,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:41:00,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:41:00,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:41:00,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:41:00,354 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_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37e3824e515882c7bcf8c367d3f56b0297fad2493f001664c6f9188e65f0eab [2022-11-22 02:41:00,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:41:00,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:41:00,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:41:00,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:41:00,652 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:41:00,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-11-22 02:41:03,765 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:41:04,334 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:41:04,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-11-22 02:41:04,376 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/data/eb2c9bfef/a735eebd694848008ed6ad11249b72ed/FLAG68fb3017d [2022-11-22 02:41:04,397 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/data/eb2c9bfef/a735eebd694848008ed6ad11249b72ed [2022-11-22 02:41:04,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:41:04,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:41:04,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:41:04,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:41:04,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:41:04,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:41:04" (1/1) ... [2022-11-22 02:41:04,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41de3c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:04, skipping insertion in model container [2022-11-22 02:41:04,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:41:04" (1/1) ... [2022-11-22 02:41:04,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:41:04,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:41:06,311 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_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i[213319,213332] [2022-11-22 02:41:06,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:41:06,472 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:41:07,046 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_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i[213319,213332] [2022-11-22 02:41:07,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:41:07,162 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:41:07,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07 WrapperNode [2022-11-22 02:41:07,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:41:07,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:41:07,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:41:07,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:41:07,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,434 INFO L138 Inliner]: procedures = 269, calls = 1577, calls flagged for inlining = 115, calls inlined = 90, statements flattened = 3647 [2022-11-22 02:41:07,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:41:07,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:41:07,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:41:07,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:41:07,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,626 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:41:07,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:41:07,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:41:07,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:41:07,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (1/1) ... [2022-11-22 02:41:07,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:41:07,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:41:07,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:41:07,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:41:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure free_hba [2022-11-22 02:41:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure free_hba [2022-11-22 02:41:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_submit_command [2022-11-22 02:41:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_submit_command [2022-11-22 02:41:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-22 02:41:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-22 02:41:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:41:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:41:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure cpqarray_remove_one [2022-11-22 02:41:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cpqarray_remove_one [2022-11-22 02:41:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_cpqarray_hba [2022-11-22 02:41:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_cpqarray_hba [2022-11-22 02:41:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_intr_mask [2022-11-22 02:41:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_intr_mask [2022-11-22 02:41:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:41:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:41:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-11-22 02:41:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2022-11-22 02:41:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_completed [2022-11-22 02:41:07,757 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_completed [2022-11-22 02:41:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-22 02:41:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-22 02:41:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_intr_pending [2022-11-22 02:41:07,758 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_intr_pending [2022-11-22 02:41:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_intr_mask [2022-11-22 02:41:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_intr_mask [2022-11-22 02:41:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 02:41:07,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 02:41:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 02:41:07,760 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 02:41:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-11-22 02:41:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-11-22 02:41:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 02:41:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 02:41:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 02:41:07,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 02:41:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 02:41:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 02:41:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-22 02:41:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-22 02:41:07,762 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:41:07,762 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:41:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure start_io [2022-11-22 02:41:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure start_io [2022-11-22 02:41:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cpqarray_mutex [2022-11-22 02:41:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cpqarray_mutex [2022-11-22 02:41:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:41:07,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:41:07,763 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_completed [2022-11-22 02:41:07,764 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_completed [2022-11-22 02:41:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cpqarray_mutex [2022-11-22 02:41:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cpqarray_mutex [2022-11-22 02:41:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 02:41:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 02:41:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-22 02:41:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-22 02:41:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 02:41:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 02:41:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_free [2022-11-22 02:41:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_free [2022-11-22 02:41:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 02:41:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 02:41:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:41:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:41:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_completed [2022-11-22 02:41:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_completed [2022-11-22 02:41:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-22 02:41:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-22 02:41:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:41:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_fifo_full [2022-11-22 02:41:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_fifo_full [2022-11-22 02:41:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_mem [2022-11-22 02:41:07,768 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_mem [2022-11-22 02:41:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:41:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:41:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:41:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-22 02:41:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-22 02:41:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-22 02:41:07,770 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-22 02:41:07,770 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_intr_pending [2022-11-22 02:41:07,771 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_intr_pending [2022-11-22 02:41:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-11-22 02:41:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2022-11-22 02:41:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure sendcmd [2022-11-22 02:41:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sendcmd [2022-11-22 02:41:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 02:41:07,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 02:41:07,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_drv [2022-11-22 02:41:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure get_drv [2022-11-22 02:41:07,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 02:41:07,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 02:41:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:41:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:41:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 02:41:07,774 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 02:41:07,774 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-22 02:41:07,775 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-22 02:41:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure ida_revalidate [2022-11-22 02:41:07,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_revalidate [2022-11-22 02:41:07,775 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:41:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:41:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:41:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:41:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_submit_command [2022-11-22 02:41:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_submit_command [2022-11-22 02:41:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 02:41:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 02:41:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-22 02:41:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-22 02:41:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-22 02:41:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-22 02:41:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure cpqarray_register_ctlr [2022-11-22 02:41:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cpqarray_register_ctlr [2022-11-22 02:41:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 02:41:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 02:41:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:41:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:41:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ida_ioctl [2022-11-22 02:41:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_ioctl [2022-11-22 02:41:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:41:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_alloc [2022-11-22 02:41:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_alloc [2022-11-22 02:41:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_fifo_full [2022-11-22 02:41:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_fifo_full [2022-11-22 02:41:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_intr_pending [2022-11-22 02:41:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_intr_pending [2022-11-22 02:41:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:41:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:41:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_fifo_full [2022-11-22 02:41:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_fifo_full [2022-11-22 02:41:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_submit_command [2022-11-22 02:41:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_submit_command [2022-11-22 02:41:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_intr_pending [2022-11-22 02:41:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_intr_pending [2022-11-22 02:41:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_host [2022-11-22 02:41:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_host [2022-11-22 02:41:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_submit_command [2022-11-22 02:41:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_submit_command [2022-11-22 02:41:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:41:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:41:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-22 02:41:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-22 02:41:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 02:41:07,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 02:41:07,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:41:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 02:41:07,795 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 02:41:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-22 02:41:07,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-22 02:41:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure removeQ [2022-11-22 02:41:07,795 INFO L138 BoogieDeclarations]: Found implementation of procedure removeQ [2022-11-22 02:41:07,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:41:07,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:41:07,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:41:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:41:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:41:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:41:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:41:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:41:07,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:41:07,797 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_intr_mask [2022-11-22 02:41:07,798 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_intr_mask [2022-11-22 02:41:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 02:41:07,798 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 02:41:07,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:41:07,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:41:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 02:41:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 02:41:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_intr_mask [2022-11-22 02:41:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_intr_mask [2022-11-22 02:41:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure getgeometry [2022-11-22 02:41:07,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getgeometry [2022-11-22 02:41:07,799 INFO L130 BoogieDeclarations]: Found specification of procedure ida_getgeo [2022-11-22 02:41:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_getgeo [2022-11-22 02:41:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-22 02:41:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-22 02:41:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_fifo_full [2022-11-22 02:41:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_fifo_full [2022-11-22 02:41:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-11-22 02:41:07,800 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2022-11-22 02:41:07,800 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-22 02:41:07,801 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-22 02:41:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 02:41:07,801 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 02:41:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 02:41:07,801 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 02:41:07,801 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-22 02:41:07,801 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-22 02:41:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:41:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:41:07,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:41:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-22 02:41:07,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-22 02:41:07,802 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_completed [2022-11-22 02:41:07,802 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_completed [2022-11-22 02:41:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:41:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:41:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure addQ [2022-11-22 02:41:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure addQ [2022-11-22 02:41:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:41:07,803 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:41:08,631 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:41:08,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:41:12,407 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:41:13,742 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:41:13,742 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:41:13,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:41:13 BoogieIcfgContainer [2022-11-22 02:41:13,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:41:13,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:41:13,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:41:13,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:41:13,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:41:04" (1/3) ... [2022-11-22 02:41:13,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491d8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:41:13, skipping insertion in model container [2022-11-22 02:41:13,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:41:07" (2/3) ... [2022-11-22 02:41:13,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491d8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:41:13, skipping insertion in model container [2022-11-22 02:41:13,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:41:13" (3/3) ... [2022-11-22 02:41:13,756 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-11-22 02:41:13,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:41:13,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:41:13,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:41:13,855 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;@764772c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:41:13,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:41:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 1011 states, 630 states have (on average 1.3555555555555556) internal successors, (854), 657 states have internal predecessors, (854), 284 states have call successors, (284), 95 states have call predecessors, (284), 95 states have return successors, (284), 278 states have call predecessors, (284), 284 states have call successors, (284) [2022-11-22 02:41:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 02:41:13,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:13,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:41:13,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:13,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:13,884 INFO L85 PathProgramCache]: Analyzing trace with hash 395772537, now seen corresponding path program 1 times [2022-11-22 02:41:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:13,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818139046] [2022-11-22 02:41:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:13,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:14,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:14,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818139046] [2022-11-22 02:41:14,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818139046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:41:14,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:41:14,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:41:14,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764179221] [2022-11-22 02:41:14,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:41:14,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:41:14,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:41:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:41:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:41:14,494 INFO L87 Difference]: Start difference. First operand has 1011 states, 630 states have (on average 1.3555555555555556) internal successors, (854), 657 states have internal predecessors, (854), 284 states have call successors, (284), 95 states have call predecessors, (284), 95 states have return successors, (284), 278 states have call predecessors, (284), 284 states have call successors, (284) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:16,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:18,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:20,936 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 02:41:22,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:41:22,192 INFO L93 Difference]: Finished difference Result 2603 states and 3669 transitions. [2022-11-22 02:41:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:41:22,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 02:41:22,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:41:22,232 INFO L225 Difference]: With dead ends: 2603 [2022-11-22 02:41:22,232 INFO L226 Difference]: Without dead ends: 1585 [2022-11-22 02:41:22,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 02:41:22,246 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 801 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:41:22,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2694 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-11-22 02:41:22,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2022-11-22 02:41:22,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1571. [2022-11-22 02:41:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 986 states have (on average 1.3580121703853956) internal successors, (1339), 1026 states have internal predecessors, (1339), 430 states have call successors, (430), 155 states have call predecessors, (430), 154 states have return successors, (430), 413 states have call predecessors, (430), 424 states have call successors, (430) [2022-11-22 02:41:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2199 transitions. [2022-11-22 02:41:22,598 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2199 transitions. Word has length 12 [2022-11-22 02:41:22,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:41:22,598 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2199 transitions. [2022-11-22 02:41:22,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2199 transitions. [2022-11-22 02:41:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 02:41:22,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:22,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:41:22,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:41:22,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:22,610 INFO L85 PathProgramCache]: Analyzing trace with hash -22978494, now seen corresponding path program 1 times [2022-11-22 02:41:22,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:22,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962041215] [2022-11-22 02:41:22,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:22,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:22,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:22,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962041215] [2022-11-22 02:41:22,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962041215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:41:22,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:41:22,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:41:22,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175913619] [2022-11-22 02:41:22,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:41:22,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:41:22,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:41:22,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:41:22,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:41:22,887 INFO L87 Difference]: Start difference. First operand 1571 states and 2199 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:24,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:25,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:27,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:41:27,272 INFO L93 Difference]: Finished difference Result 1959 states and 2678 transitions. [2022-11-22 02:41:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:41:27,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-22 02:41:27,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:41:27,286 INFO L225 Difference]: With dead ends: 1959 [2022-11-22 02:41:27,287 INFO L226 Difference]: Without dead ends: 1955 [2022-11-22 02:41:27,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 02:41:27,290 INFO L413 NwaCegarLoop]: 1375 mSDtfsCounter, 1053 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:41:27,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 2077 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-22 02:41:27,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2022-11-22 02:41:27,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1953. [2022-11-22 02:41:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1206 states have (on average 1.3316749585406302) internal successors, (1606), 1254 states have internal predecessors, (1606), 532 states have call successors, (532), 215 states have call predecessors, (532), 214 states have return successors, (534), 511 states have call predecessors, (534), 528 states have call successors, (534) [2022-11-22 02:41:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2672 transitions. [2022-11-22 02:41:27,407 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2672 transitions. Word has length 20 [2022-11-22 02:41:27,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:41:27,408 INFO L495 AbstractCegarLoop]: Abstraction has 1953 states and 2672 transitions. [2022-11-22 02:41:27,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2672 transitions. [2022-11-22 02:41:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 02:41:27,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:27,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:41:27,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:41:27,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:27,412 INFO L85 PathProgramCache]: Analyzing trace with hash -712880733, now seen corresponding path program 1 times [2022-11-22 02:41:27,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:27,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562630214] [2022-11-22 02:41:27,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:27,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:27,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:27,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562630214] [2022-11-22 02:41:27,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562630214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:41:27,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:41:27,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:41:27,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335602192] [2022-11-22 02:41:27,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:41:27,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:41:27,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:41:27,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:41:27,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:41:27,719 INFO L87 Difference]: Start difference. First operand 1953 states and 2672 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:31,352 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 02:41:33,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:41:33,341 INFO L93 Difference]: Finished difference Result 3899 states and 5333 transitions. [2022-11-22 02:41:33,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:41:33,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-22 02:41:33,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:41:33,368 INFO L225 Difference]: With dead ends: 3899 [2022-11-22 02:41:33,368 INFO L226 Difference]: Without dead ends: 3896 [2022-11-22 02:41:33,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 02:41:33,373 INFO L413 NwaCegarLoop]: 1498 mSDtfsCounter, 1379 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:41:33,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 2713 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-22 02:41:33,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2022-11-22 02:41:33,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3891. [2022-11-22 02:41:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3891 states, 2404 states have (on average 1.3319467554076538) internal successors, (3202), 2499 states have internal predecessors, (3202), 1058 states have call successors, (1058), 429 states have call predecessors, (1058), 428 states have return successors, (1066), 1018 states have call predecessors, (1066), 1054 states have call successors, (1066) [2022-11-22 02:41:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 3891 states and 5326 transitions. [2022-11-22 02:41:33,657 INFO L78 Accepts]: Start accepts. Automaton has 3891 states and 5326 transitions. Word has length 21 [2022-11-22 02:41:33,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:41:33,658 INFO L495 AbstractCegarLoop]: Abstraction has 3891 states and 5326 transitions. [2022-11-22 02:41:33,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3891 states and 5326 transitions. [2022-11-22 02:41:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 02:41:33,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:33,661 INFO L195 NwaCegarLoop]: trace histogram [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 02:41:33,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:41:33,661 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:33,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:33,663 INFO L85 PathProgramCache]: Analyzing trace with hash -625008795, now seen corresponding path program 1 times [2022-11-22 02:41:33,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:33,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118832814] [2022-11-22 02:41:33,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:33,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:33,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:33,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118832814] [2022-11-22 02:41:33,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118832814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:41:33,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:41:33,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:41:33,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267860369] [2022-11-22 02:41:33,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:41:33,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:41:33,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:41:33,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:41:33,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:41:33,924 INFO L87 Difference]: Start difference. First operand 3891 states and 5326 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:35,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:37,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:41:37,354 INFO L93 Difference]: Finished difference Result 3893 states and 5327 transitions. [2022-11-22 02:41:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:41:37,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-22 02:41:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:41:37,376 INFO L225 Difference]: With dead ends: 3893 [2022-11-22 02:41:37,376 INFO L226 Difference]: Without dead ends: 3890 [2022-11-22 02:41:37,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 02:41:37,382 INFO L413 NwaCegarLoop]: 1219 mSDtfsCounter, 1382 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:41:37,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 1219 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-22 02:41:37,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2022-11-22 02:41:37,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3890. [2022-11-22 02:41:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 2404 states have (on average 1.33153078202995) internal successors, (3201), 2498 states have internal predecessors, (3201), 1057 states have call successors, (1057), 429 states have call predecessors, (1057), 428 states have return successors, (1066), 1018 states have call predecessors, (1066), 1054 states have call successors, (1066) [2022-11-22 02:41:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5324 transitions. [2022-11-22 02:41:37,606 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5324 transitions. Word has length 22 [2022-11-22 02:41:37,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:41:37,606 INFO L495 AbstractCegarLoop]: Abstraction has 3890 states and 5324 transitions. [2022-11-22 02:41:37,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5324 transitions. [2022-11-22 02:41:37,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-22 02:41:37,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:37,609 INFO L195 NwaCegarLoop]: trace histogram [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 02:41:37,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:41:37,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:37,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:37,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2099026150, now seen corresponding path program 1 times [2022-11-22 02:41:37,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:37,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603117807] [2022-11-22 02:41:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:37,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:37,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:37,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603117807] [2022-11-22 02:41:37,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603117807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:41:37,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:41:37,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:41:37,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943912207] [2022-11-22 02:41:37,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:41:37,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:41:37,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:41:37,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:41:37,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:41:37,799 INFO L87 Difference]: Start difference. First operand 3890 states and 5324 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:39,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:41:41,588 INFO L93 Difference]: Finished difference Result 3892 states and 5325 transitions. [2022-11-22 02:41:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:41:41,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-22 02:41:41,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:41:41,610 INFO L225 Difference]: With dead ends: 3892 [2022-11-22 02:41:41,610 INFO L226 Difference]: Without dead ends: 3865 [2022-11-22 02:41:41,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 02:41:41,613 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 1379 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:41:41,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 1218 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-22 02:41:41,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2022-11-22 02:41:41,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3859. [2022-11-22 02:41:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3859 states, 2382 states have (on average 1.329554995801847) internal successors, (3167), 2471 states have internal predecessors, (3167), 1049 states have call successors, (1049), 428 states have call predecessors, (1049), 427 states have return successors, (1059), 1013 states have call predecessors, (1059), 1047 states have call successors, (1059) [2022-11-22 02:41:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 3859 states and 5275 transitions. [2022-11-22 02:41:41,863 INFO L78 Accepts]: Start accepts. Automaton has 3859 states and 5275 transitions. Word has length 23 [2022-11-22 02:41:41,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:41:41,864 INFO L495 AbstractCegarLoop]: Abstraction has 3859 states and 5275 transitions. [2022-11-22 02:41:41,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:41:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 5275 transitions. [2022-11-22 02:41:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-22 02:41:41,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:41,869 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:41:41,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:41:41,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash -30151648, now seen corresponding path program 1 times [2022-11-22 02:41:41,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:41,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029931452] [2022-11-22 02:41:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:41,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:42,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:42,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029931452] [2022-11-22 02:41:42,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029931452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:41:42,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:41:42,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:41:42,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908327528] [2022-11-22 02:41:42,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:41:42,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:41:42,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:41:42,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:41:42,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:41:42,163 INFO L87 Difference]: Start difference. First operand 3859 states and 5275 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:41:44,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:49,188 WARN L539 Checker$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 02:41:49,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:41:49,427 INFO L93 Difference]: Finished difference Result 7731 states and 10563 transitions. [2022-11-22 02:41:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:41:49,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-11-22 02:41:49,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:41:49,451 INFO L225 Difference]: With dead ends: 7731 [2022-11-22 02:41:49,451 INFO L226 Difference]: Without dead ends: 3867 [2022-11-22 02:41:49,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:41:49,468 INFO L413 NwaCegarLoop]: 1221 mSDtfsCounter, 10 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:41:49,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3650 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 543 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-22 02:41:49,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2022-11-22 02:41:49,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3857. [2022-11-22 02:41:49,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 2382 states have (on average 1.3282955499580185) internal successors, (3164), 2471 states have internal predecessors, (3164), 1048 states have call successors, (1048), 427 states have call predecessors, (1048), 426 states have return successors, (1058), 1012 states have call predecessors, (1058), 1046 states have call successors, (1058) [2022-11-22 02:41:49,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5270 transitions. [2022-11-22 02:41:49,721 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5270 transitions. Word has length 40 [2022-11-22 02:41:49,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:41:49,722 INFO L495 AbstractCegarLoop]: Abstraction has 3857 states and 5270 transitions. [2022-11-22 02:41:49,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:41:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5270 transitions. [2022-11-22 02:41:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-22 02:41:49,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:49,729 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:41:49,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:41:49,729 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:49,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1730724851, now seen corresponding path program 1 times [2022-11-22 02:41:49,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:49,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88036053] [2022-11-22 02:41:49,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:49,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:49,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:49,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88036053] [2022-11-22 02:41:49,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88036053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:41:49,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:41:49,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:41:49,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560739085] [2022-11-22 02:41:49,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:41:49,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:41:49,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:41:49,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:41:49,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:41:49,982 INFO L87 Difference]: Start difference. First operand 3857 states and 5270 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:41:51,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:53,672 WARN L539 Checker$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 02:41:55,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:41:56,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:41:56,253 INFO L93 Difference]: Finished difference Result 7716 states and 10545 transitions. [2022-11-22 02:41:56,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:41:56,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-11-22 02:41:56,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:41:56,274 INFO L225 Difference]: With dead ends: 7716 [2022-11-22 02:41:56,274 INFO L226 Difference]: Without dead ends: 3860 [2022-11-22 02:41:56,289 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 02:41:56,290 INFO L413 NwaCegarLoop]: 1216 mSDtfsCounter, 0 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:41:56,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2431 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 361 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-22 02:41:56,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2022-11-22 02:41:56,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 3860. [2022-11-22 02:41:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 2385 states have (on average 1.3278825995807129) internal successors, (3167), 2474 states have internal predecessors, (3167), 1048 states have call successors, (1048), 427 states have call predecessors, (1048), 426 states have return successors, (1058), 1012 states have call predecessors, (1058), 1046 states have call successors, (1058) [2022-11-22 02:41:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5273 transitions. [2022-11-22 02:41:56,556 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5273 transitions. Word has length 45 [2022-11-22 02:41:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:41:56,558 INFO L495 AbstractCegarLoop]: Abstraction has 3860 states and 5273 transitions. [2022-11-22 02:41:56,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:41:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5273 transitions. [2022-11-22 02:41:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-22 02:41:56,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:41:56,562 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:41:56,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:41:56,562 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:41:56,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:41:56,563 INFO L85 PathProgramCache]: Analyzing trace with hash 91111406, now seen corresponding path program 1 times [2022-11-22 02:41:56,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:41:56,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866911922] [2022-11-22 02:41:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:41:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:56,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:41:56,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866911922] [2022-11-22 02:41:56,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866911922] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:41:56,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43928308] [2022-11-22 02:41:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:41:56,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:41:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:41:56,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:41:56,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:41:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:41:57,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1749 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:41:57,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:41:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:57,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:41:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:41:57,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43928308] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:41:57,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1059072893] [2022-11-22 02:41:57,793 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-22 02:41:57,806 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:41:57,810 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:41:57,816 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:41:57,817 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:42:00,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 652 treesize of output 542 [2022-11-22 02:42:02,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 536 [2022-11-22 02:43:07,619 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:44:36,655 WARN L233 SmtUtils]: Spent 1.48m on a formula simplification. DAG size of input: 2464 DAG size of output: 2161 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:44:46,649 WARN L233 SmtUtils]: Spent 9.82s on a formula simplification. DAG size of input: 575 DAG size of output: 410 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:44:56,660 WARN L233 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 582 DAG size of output: 417 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:45:06,802 WARN L233 SmtUtils]: Spent 9.93s on a formula simplification. DAG size of input: 585 DAG size of output: 420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:45:16,796 WARN L233 SmtUtils]: Spent 9.79s on a formula simplification. DAG size of input: 587 DAG size of output: 422 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:45:26,780 WARN L233 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 590 DAG size of output: 425 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:45:37,370 WARN L233 SmtUtils]: Spent 10.35s on a formula simplification. DAG size of input: 593 DAG size of output: 428 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:45:48,444 WARN L233 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 596 DAG size of output: 431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:45:58,877 WARN L233 SmtUtils]: Spent 10.12s on a formula simplification. DAG size of input: 573 DAG size of output: 408 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:46:09,858 WARN L233 SmtUtils]: Spent 10.70s on a formula simplification. DAG size of input: 584 DAG size of output: 440 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:46:20,750 WARN L233 SmtUtils]: Spent 10.60s on a formula simplification. DAG size of input: 586 DAG size of output: 442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:46:31,528 WARN L233 SmtUtils]: Spent 10.37s on a formula simplification. DAG size of input: 574 DAG size of output: 430 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:46:58,088 WARN L233 SmtUtils]: Spent 9.81s on a formula simplification. DAG size of input: 572 DAG size of output: 407 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:47:00,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1059072893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:00,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:47:00,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-22 02:47:00,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116209089] [2022-11-22 02:47:00,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:00,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 02:47:00,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:00,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 02:47:00,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2022-11-22 02:47:00,693 INFO L87 Difference]: Start difference. First operand 3860 states and 5273 transitions. Second operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:47:14,835 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 465 DAG size of output: 420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:47:31,251 WARN L233 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 572 DAG size of output: 365 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:47:38,960 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 573 DAG size of output: 366 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:47:46,642 WARN L233 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 575 DAG size of output: 370 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:47:54,361 WARN L233 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 575 DAG size of output: 371 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:48:29,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:48:31,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:48:33,754 WARN L539 Checker$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 02:48:35,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:48:37,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:48:40,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:48:42,135 WARN L539 Checker$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 02:48:43,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:48:57,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:49:00,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:49:02,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:49:05,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:49:07,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:49:10,049 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 02:49:16,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:16,123 INFO L93 Difference]: Finished difference Result 8089 states and 11172 transitions. [2022-11-22 02:49:16,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-22 02:49:16,125 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2022-11-22 02:49:16,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:16,144 INFO L225 Difference]: With dead ends: 8089 [2022-11-22 02:49:16,144 INFO L226 Difference]: Without dead ends: 4230 [2022-11-22 02:49:16,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 272.9s TimeCoverageRelationStatistics Valid=190, Invalid=1142, Unknown=0, NotChecked=0, Total=1332 [2022-11-22 02:49:16,158 INFO L413 NwaCegarLoop]: 1179 mSDtfsCounter, 326 mSDsluCounter, 13791 mSDsCounter, 0 mSdLazyCounter, 6913 mSolverCounterSat, 45 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 14970 SdHoareTripleChecker+Invalid, 6963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 6913 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:16,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 14970 Invalid, 6963 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [45 Valid, 6913 Invalid, 5 Unknown, 0 Unchecked, 94.6s Time] [2022-11-22 02:49:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4230 states. [2022-11-22 02:49:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4230 to 4041. [2022-11-22 02:49:16,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4041 states, 2556 states have (on average 1.3611111111111112) internal successors, (3479), 2647 states have internal predecessors, (3479), 1058 states have call successors, (1058), 427 states have call predecessors, (1058), 426 states have return successors, (1068), 1022 states have call predecessors, (1068), 1056 states have call successors, (1068) [2022-11-22 02:49:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 4041 states and 5605 transitions. [2022-11-22 02:49:16,714 INFO L78 Accepts]: Start accepts. Automaton has 4041 states and 5605 transitions. Word has length 46 [2022-11-22 02:49:16,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:16,715 INFO L495 AbstractCegarLoop]: Abstraction has 4041 states and 5605 transitions. [2022-11-22 02:49:16,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:49:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 5605 transitions. [2022-11-22 02:49:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-22 02:49:16,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:16,719 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:49:16,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:49:16,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 02:49:16,929 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:49:16,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:16,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1053965139, now seen corresponding path program 1 times [2022-11-22 02:49:16,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:16,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612564378] [2022-11-22 02:49:16,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:16,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:49:17,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:17,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612564378] [2022-11-22 02:49:17,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612564378] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:49:17,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980483774] [2022-11-22 02:49:17,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:17,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:49:17,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:49:17,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:49:17,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:49:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:18,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:49:18,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:49:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:49:18,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:49:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 02:49:18,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980483774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:49:18,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1460481149] [2022-11-22 02:49:18,081 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-22 02:49:18,081 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:49:18,082 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:49:18,082 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:49:18,082 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:49:20,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 536 [2022-11-22 02:49:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:21,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 652 treesize of output 542 [2022-11-22 02:51:15,643 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:51:49,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1460481149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:51:49,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 02:51:49,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [4, 4, 4] total 30 [2022-11-22 02:51:49,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105111463] [2022-11-22 02:51:49,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:51:49,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-22 02:51:49,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:51:49,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-22 02:51:49,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=722, Unknown=0, NotChecked=0, Total=870 [2022-11-22 02:51:49,139 INFO L87 Difference]: Start difference. First operand 4041 states and 5605 transitions. Second operand has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:52:23,447 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 02:52:27,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:52:30,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:52:32,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:52:34,229 WARN L539 Checker$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 02:52:36,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:52:39,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:52:42,982 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 02:52:44,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:52:44,878 INFO L93 Difference]: Finished difference Result 9400 states and 12935 transitions. [2022-11-22 02:52:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-22 02:52:44,879 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2022-11-22 02:52:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:52:44,901 INFO L225 Difference]: With dead ends: 9400 [2022-11-22 02:52:44,901 INFO L226 Difference]: Without dead ends: 5541 [2022-11-22 02:52:44,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 48.7s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2022-11-22 02:52:44,915 INFO L413 NwaCegarLoop]: 1264 mSDtfsCounter, 1027 mSDsluCounter, 4757 mSDsCounter, 0 mSdLazyCounter, 4467 mSolverCounterSat, 165 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 6021 SdHoareTripleChecker+Invalid, 4636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 4467 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:52:44,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 6021 Invalid, 4636 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [165 Valid, 4467 Invalid, 4 Unknown, 0 Unchecked, 38.6s Time] [2022-11-22 02:52:44,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5541 states. [2022-11-22 02:52:46,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5541 to 5290. [2022-11-22 02:52:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5290 states, 3291 states have (on average 1.3369796414463688) internal successors, (4400), 3431 states have internal predecessors, (4400), 1403 states have call successors, (1403), 596 states have call predecessors, (1403), 595 states have return successors, (1437), 1344 states have call predecessors, (1437), 1401 states have call successors, (1437) [2022-11-22 02:52:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5290 states to 5290 states and 7240 transitions. [2022-11-22 02:52:46,487 INFO L78 Accepts]: Start accepts. Automaton has 5290 states and 7240 transitions. Word has length 51 [2022-11-22 02:52:46,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:52:46,488 INFO L495 AbstractCegarLoop]: Abstraction has 5290 states and 7240 transitions. [2022-11-22 02:52:46,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 02:52:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5290 states and 7240 transitions. [2022-11-22 02:52:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 02:52:46,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:52:46,502 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:52:46,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 02:52:46,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:52:46,712 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:52:46,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:52:46,712 INFO L85 PathProgramCache]: Analyzing trace with hash 709944389, now seen corresponding path program 1 times [2022-11-22 02:52:46,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:52:46,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454837302] [2022-11-22 02:52:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:52:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:52:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:52:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:52:46,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:52:46,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454837302] [2022-11-22 02:52:46,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454837302] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:52:46,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088133865] [2022-11-22 02:52:46,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:52:46,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:52:46,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:52:46,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:52:47,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77fbf8c9-7c93-4e4e-8a83-d6c304380ac9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:52:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:52:47,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1851 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 02:52:47,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:52:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:52:47,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:52:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:52:47,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088133865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:52:47,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [441806925] [2022-11-22 02:52:47,856 INFO L159 IcfgInterpreter]: Started Sifa with 55 locations of interest [2022-11-22 02:52:47,856 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:52:47,856 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:52:47,857 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:52:47,857 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:52:50,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 652 treesize of output 542 [2022-11-22 02:52:51,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 646 treesize of output 536 [2022-11-22 02:53:51,778 INFO L197 IcfgInterpreter]: Interpreting procedure ida_ioctl with input of size 312 for LOIs [2022-11-22 02:53:54,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:53:54,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:53:54,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:53:54,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:53:55,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:53:55,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:53:56,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:53:56,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:53:57,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:53:57,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:53:57,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 02:53:57,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:53:57,934 INFO L197 IcfgInterpreter]: Interpreting procedure get_host with input of size 312 for LOIs [2022-11-22 02:53:58,109 INFO L197 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 294 for LOIs [2022-11-22 02:53:58,157 INFO L197 IcfgInterpreter]: Interpreting procedure get_drv with input of size 311 for LOIs [2022-11-22 02:53:58,317 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_mutex_lock_cpqarray_mutex with input of size 291 for LOIs [2022-11-22 02:53:58,486 INFO L180 IcfgInterpreter]: Interpretation finished