./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW --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 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 --- 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-4e7fbc6 [2022-11-23 15:39:42,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:39:42,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:39:42,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:39:42,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:39:42,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:39:42,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:39:42,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:39:42,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:39:42,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:39:42,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:39:42,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:39:42,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:39:42,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:39:42,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:39:42,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:39:42,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:39:42,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:39:42,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:39:42,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:39:42,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:39:42,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:39:42,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:39:42,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:39:42,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:39:42,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:39:42,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:39:42,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:39:42,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:39:42,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:39:42,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:39:42,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:39:42,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:39:42,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:39:42,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:39:42,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:39:42,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:39:42,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:39:42,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:39:42,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:39:42,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:39:42,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:39:42,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:39:42,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:39:42,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:39:42,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:39:42,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:39:42,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:39:42,419 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:39:42,419 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:39:42,419 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:39:42,420 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:39:42,420 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:39:42,420 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:39:42,420 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:39:42,420 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:39:42,421 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:39:42,421 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:39:42,421 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:39:42,421 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:39:42,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:39:42,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:39:42,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:39:42,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:39:42,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:39:42,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:39:42,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:39:42,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:39:42,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:39:42,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:39:42,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:39:42,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:42,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:39:42,425 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:39:42,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:39:42,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:39:42,426 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:39:42,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:39:42,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:39:42,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:39:42,427 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_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c36a9df364179ddc8d27c6acbee2fb959ee84241a663b80989702c8a045d9c9 [2022-11-23 15:39:42,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:39:42,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:39:42,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:39:42,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:39:42,757 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:39:42,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-23 15:39:45,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:39:46,615 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:39:46,615 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-23 15:39:46,687 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/data/f1a2b0a56/8abeec4644cd4ae48e17c5285fb0ee63/FLAGd3f44bb00 [2022-11-23 15:39:46,703 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/data/f1a2b0a56/8abeec4644cd4ae48e17c5285fb0ee63 [2022-11-23 15:39:46,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:39:46,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:39:46,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:46,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:39:46,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:39:46,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:46" (1/1) ... [2022-11-23 15:39:46,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401f71ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46, skipping insertion in model container [2022-11-23 15:39:46,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:46" (1/1) ... [2022-11-23 15:39:46,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:39:46,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:39:48,747 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_3d6a61ca-a17c-4397-ac61-e014e9aedc40/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-11-23 15:39:51,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:51,975 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:39:52,216 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_3d6a61ca-a17c-4397-ac61-e014e9aedc40/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[222866,222879] [2022-11-23 15:39:52,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:53,140 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:39:53,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53 WrapperNode [2022-11-23 15:39:53,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:53,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:53,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:39:53,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:39:53,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:53,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:53,762 INFO L138 Inliner]: procedures = 597, calls = 7272, calls flagged for inlining = 272, calls inlined = 259, statements flattened = 14712 [2022-11-23 15:39:53,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:53,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:39:53,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:39:53,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:39:53,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:53,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:53,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:53,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:54,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:54,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:54,475 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:54,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:54,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:39:54,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:39:54,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:39:54,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:39:54,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (1/1) ... [2022-11-23 15:39:54,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:54,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:39:54,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:39:54,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:39:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 15:39:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 15:39:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-23 15:39:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-23 15:39:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-23 15:39:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-23 15:39:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-23 15:39:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-23 15:39:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-23 15:39:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-23 15:39:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-23 15:39:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-23 15:39:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-23 15:39:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:39:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:39:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-23 15:39:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-23 15:39:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-23 15:39:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-23 15:39:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-23 15:39:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-23 15:39:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-23 15:39:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-23 15:39:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-23 15:39:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-23 15:39:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:39:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:39:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-23 15:39:54,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-23 15:39:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-23 15:39:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-23 15:39:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 15:39:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 15:39:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 15:39:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 15:39:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-23 15:39:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-23 15:39:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:39:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:39:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 15:39:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 15:39:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:39:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:39:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-23 15:39:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-23 15:39:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-23 15:39:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-23 15:39:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:39:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:39:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-23 15:39:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-23 15:39:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-23 15:39:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-23 15:39:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-23 15:39:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-23 15:39:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-23 15:39:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-23 15:39:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-23 15:39:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-23 15:39:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-23 15:39:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-23 15:39:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:39:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:39:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-23 15:39:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-23 15:39:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:39:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:39:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 15:39:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 15:39:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_14 [2022-11-23 15:39:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_14 [2022-11-23 15:39:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-23 15:39:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-23 15:39:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:39:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:39:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-23 15:39:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-23 15:39:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-23 15:39:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-23 15:39:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-23 15:39:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 15:39:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 15:39:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 15:39:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 15:39:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:39:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 15:39:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 15:39:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-23 15:39:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-23 15:39:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-23 15:39:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-23 15:39:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-23 15:39:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-23 15:39:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-23 15:39:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-23 15:39:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-23 15:39:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-23 15:39:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-23 15:39:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-23 15:39:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 15:39:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 15:39:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-23 15:39:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-23 15:39:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-23 15:39:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-23 15:39:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-23 15:39:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-23 15:39:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:39:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:39:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-23 15:39:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-23 15:39:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:39:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:39:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-23 15:39:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-23 15:39:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-23 15:39:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-23 15:39:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:39:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-23 15:39:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-23 15:39:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-23 15:39:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-23 15:39:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:39:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:39:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:39:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:39:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-23 15:39:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-23 15:39:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-23 15:39:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-23 15:39:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-23 15:39:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-23 15:39:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:39:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-23 15:39:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-23 15:39:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:39:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:39:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:39:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-23 15:39:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-23 15:39:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-23 15:39:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-23 15:39:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:39:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:39:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 15:39:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 15:39:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-23 15:39:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-23 15:39:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-23 15:39:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-23 15:39:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-23 15:39:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-23 15:39:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-23 15:39:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-23 15:39:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 15:39:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 15:39:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-23 15:39:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-23 15:39:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-23 15:39:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-23 15:39:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:39:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:39:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:39:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:39:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-23 15:39:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-23 15:39:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-23 15:39:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-23 15:39:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-23 15:39:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-23 15:39:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-23 15:39:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:39:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-23 15:39:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-23 15:39:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-23 15:39:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-23 15:39:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-23 15:39:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-23 15:39:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:39:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 15:39:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 15:39:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-23 15:39:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-23 15:39:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:39:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:39:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:39:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:39:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-23 15:39:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-23 15:39:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-23 15:39:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-23 15:39:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:39:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:39:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-23 15:39:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-23 15:39:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:39:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:39:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-23 15:39:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-23 15:39:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:39:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:39:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-23 15:39:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-23 15:39:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-23 15:39:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-23 15:39:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 15:39:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 15:39:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-23 15:39:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-23 15:39:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 15:39:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 15:39:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-23 15:39:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-23 15:39:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:39:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:39:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:39:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:39:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 15:39:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 15:39:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-23 15:39:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-23 15:39:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-23 15:39:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-23 15:39:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-23 15:39:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-23 15:39:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-23 15:39:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-23 15:39:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:39:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:39:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:39:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:39:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-23 15:39:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-23 15:39:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:39:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:39:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-23 15:39:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-23 15:39:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 15:39:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 15:39:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-23 15:39:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-23 15:39:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-23 15:39:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-23 15:39:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:39:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:39:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-23 15:39:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-23 15:39:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:39:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:39:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:39:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:39:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-23 15:39:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-23 15:39:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 15:39:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 15:39:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:39:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:39:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-23 15:39:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-23 15:39:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 15:39:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 15:39:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 15:39:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 15:39:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:39:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:39:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-23 15:39:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-23 15:39:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 15:39:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-23 15:39:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-23 15:39:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 15:39:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 15:39:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-23 15:39:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-23 15:39:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-23 15:39:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-23 15:39:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-23 15:39:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-23 15:39:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-23 15:39:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-23 15:39:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-23 15:39:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-23 15:39:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 15:39:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 15:39:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:39:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:39:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-23 15:39:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-23 15:39:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-23 15:39:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-23 15:39:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 15:39:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 15:39:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-23 15:39:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-23 15:39:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-23 15:39:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-23 15:39:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 15:39:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 15:39:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:39:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:39:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-23 15:39:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-23 15:39:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-23 15:39:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-23 15:39:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:39:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:39:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-23 15:39:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-23 15:39:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 15:39:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 15:39:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-23 15:39:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-23 15:39:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-23 15:39:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-23 15:39:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 15:39:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 15:39:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-23 15:39:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-23 15:39:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-23 15:39:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-23 15:39:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-23 15:39:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-23 15:39:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:39:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:39:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:39:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-23 15:39:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-23 15:39:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 15:39:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 15:39:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-23 15:39:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-23 15:39:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:39:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:39:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-23 15:39:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-23 15:39:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-23 15:39:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-23 15:39:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:39:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-23 15:39:54,771 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-23 15:39:54,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-23 15:39:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-23 15:39:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-23 15:39:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-23 15:39:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-23 15:39:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-23 15:39:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-23 15:39:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-23 15:39:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-23 15:39:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-23 15:39:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:39:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-23 15:39:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-23 15:39:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-23 15:39:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-23 15:39:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 15:39:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 15:39:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-23 15:39:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-23 15:39:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 15:39:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 15:39:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:39:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:39:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 15:39:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 15:39:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-23 15:39:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-23 15:39:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:39:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:39:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-23 15:39:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-23 15:39:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-23 15:39:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-23 15:39:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-23 15:39:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-23 15:39:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-23 15:39:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-23 15:39:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 15:39:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 15:39:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:39:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:39:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:39:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:39:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-23 15:39:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-23 15:39:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 15:39:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 15:39:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-23 15:39:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-23 15:39:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-23 15:39:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-23 15:39:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-23 15:39:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-23 15:39:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:39:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:39:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-23 15:39:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-23 15:39:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-23 15:39:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-23 15:39:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:39:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:39:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-23 15:39:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-23 15:39:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-23 15:39:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-23 15:39:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:39:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-23 15:39:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-23 15:39:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-23 15:39:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-23 15:39:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:39:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:39:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-23 15:39:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-23 15:39:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-23 15:39:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-23 15:39:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-23 15:39:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-23 15:39:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:39:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:39:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 15:39:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 15:39:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-23 15:39:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-23 15:39:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-23 15:39:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-23 15:39:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 15:39:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 15:39:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-23 15:39:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-23 15:39:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-23 15:39:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-23 15:39:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 15:39:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 15:39:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-23 15:39:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-23 15:39:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-23 15:39:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-23 15:39:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-23 15:39:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-23 15:39:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-23 15:39:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-23 15:39:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-23 15:39:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-23 15:39:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 15:39:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 15:39:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 15:39:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 15:39:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-23 15:39:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-23 15:39:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-23 15:39:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-23 15:39:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-23 15:39:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-23 15:39:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-23 15:39:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-23 15:39:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:39:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:39:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-23 15:39:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-23 15:39:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 15:39:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 15:39:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-23 15:39:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-23 15:39:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-23 15:39:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-23 15:39:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-23 15:39:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-23 15:39:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-23 15:39:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-23 15:39:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 15:39:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 15:39:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:39:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:39:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:39:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-23 15:39:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-23 15:39:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-23 15:39:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-23 15:39:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-23 15:39:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-23 15:39:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-23 15:39:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-23 15:39:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-23 15:39:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-23 15:39:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-23 15:39:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-23 15:39:56,460 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:39:56,468 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:39:56,592 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:40:20,815 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:40:26,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:40:26,866 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 15:40:26,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:26 BoogieIcfgContainer [2022-11-23 15:40:26,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:40:26,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:40:26,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:40:26,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:40:26,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:39:46" (1/3) ... [2022-11-23 15:40:26,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bebafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:26, skipping insertion in model container [2022-11-23 15:40:26,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53" (2/3) ... [2022-11-23 15:40:26,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bebafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:26, skipping insertion in model container [2022-11-23 15:40:26,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:26" (3/3) ... [2022-11-23 15:40:26,882 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-23 15:40:26,903 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:40:26,903 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:40:27,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:40:27,024 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;@1b8c71f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:40:27,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:40:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 3689 states, 2259 states have (on average 1.3355467020805667) internal successors, (3017), 2333 states have internal predecessors, (3017), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) [2022-11-23 15:40:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 15:40:27,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:27,057 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:40:27,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:27,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:27,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1474565958, now seen corresponding path program 1 times [2022-11-23 15:40:27,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:40:27,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533204366] [2022-11-23 15:40:27,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:27,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:40:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-23 15:40:28,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:40:28,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533204366] [2022-11-23 15:40:28,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533204366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:28,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:28,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:40:28,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806844976] [2022-11-23 15:40:28,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:28,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:40:28,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:40:28,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:40:28,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:40:28,758 INFO L87 Difference]: Start difference. First operand has 3689 states, 2259 states have (on average 1.3355467020805667) internal successors, (3017), 2333 states have internal predecessors, (3017), 1196 states have call successors, (1196), 233 states have call predecessors, (1196), 232 states have return successors, (1186), 1171 states have call predecessors, (1186), 1186 states have call successors, (1186) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:40:30,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:31,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:34,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:36,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:40:41,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:42,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:44,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:40:51,278 INFO L93 Difference]: Finished difference Result 10987 states and 16188 transitions. [2022-11-23 15:40:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:40:51,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 64 [2022-11-23 15:40:51,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:40:51,355 INFO L225 Difference]: With dead ends: 10987 [2022-11-23 15:40:51,355 INFO L226 Difference]: Without dead ends: 7275 [2022-11-23 15:40:51,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:40:51,388 INFO L413 NwaCegarLoop]: 6409 mSDtfsCounter, 5293 mSDsluCounter, 4784 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 8 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5299 SdHoareTripleChecker+Valid, 11193 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:40:51,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5299 Valid, 11193 Invalid, 1318 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1306 Invalid, 4 Unknown, 0 Unchecked, 21.9s Time] [2022-11-23 15:40:51,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7275 states. [2022-11-23 15:40:51,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7275 to 7273. [2022-11-23 15:40:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7273 states, 4459 states have (on average 1.326979143305674) internal successors, (5917), 4585 states have internal predecessors, (5917), 2351 states have call successors, (2351), 463 states have call predecessors, (2351), 462 states have return successors, (2356), 2318 states have call predecessors, (2356), 2350 states have call successors, (2356) [2022-11-23 15:40:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7273 states to 7273 states and 10624 transitions. [2022-11-23 15:40:51,916 INFO L78 Accepts]: Start accepts. Automaton has 7273 states and 10624 transitions. Word has length 64 [2022-11-23 15:40:51,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:40:51,917 INFO L495 AbstractCegarLoop]: Abstraction has 7273 states and 10624 transitions. [2022-11-23 15:40:51,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:40:51,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7273 states and 10624 transitions. [2022-11-23 15:40:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 15:40:51,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:51,931 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:40:51,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:40:51,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:51,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:51,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1179001706, now seen corresponding path program 1 times [2022-11-23 15:40:51,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:40:51,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311313104] [2022-11-23 15:40:51,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:40:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-23 15:40:54,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:40:54,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311313104] [2022-11-23 15:40:54,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311313104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:54,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:54,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:40:54,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075462886] [2022-11-23 15:40:54,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:54,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:40:54,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:40:54,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:40:54,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:40:54,060 INFO L87 Difference]: Start difference. First operand 7273 states and 10624 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:40:56,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:58,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:01,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:41:07,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:10,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:11,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:13,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:15,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:20,249 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 [] [2022-11-23 15:41:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:24,937 INFO L93 Difference]: Finished difference Result 14511 states and 21295 transitions. [2022-11-23 15:41:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:41:24,938 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), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 67 [2022-11-23 15:41:24,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:25,034 INFO L225 Difference]: With dead ends: 14511 [2022-11-23 15:41:25,034 INFO L226 Difference]: Without dead ends: 14506 [2022-11-23 15:41:25,047 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 [2022-11-23 15:41:25,048 INFO L413 NwaCegarLoop]: 6405 mSDtfsCounter, 5284 mSDsluCounter, 11185 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5284 SdHoareTripleChecker+Valid, 17590 SdHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:25,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5284 Valid, 17590 Invalid, 2011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2006 Invalid, 5 Unknown, 0 Unchecked, 30.1s Time] [2022-11-23 15:41:25,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14506 states. [2022-11-23 15:41:25,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14506 to 14496. [2022-11-23 15:41:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14496 states, 8882 states have (on average 1.327065976131502) internal successors, (11787), 9136 states have internal predecessors, (11787), 4689 states have call successors, (4689), 925 states have call predecessors, (4689), 924 states have return successors, (4800), 4622 states have call predecessors, (4800), 4688 states have call successors, (4800) [2022-11-23 15:41:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14496 states to 14496 states and 21276 transitions. [2022-11-23 15:41:26,175 INFO L78 Accepts]: Start accepts. Automaton has 14496 states and 21276 transitions. Word has length 67 [2022-11-23 15:41:26,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:26,177 INFO L495 AbstractCegarLoop]: Abstraction has 14496 states and 21276 transitions. [2022-11-23 15:41:26,178 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), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:41:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 14496 states and 21276 transitions. [2022-11-23 15:41:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-23 15:41:26,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:26,198 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:41:26,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:41:26,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:26,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:26,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1194866842, now seen corresponding path program 1 times [2022-11-23 15:41:26,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:26,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207869158] [2022-11-23 15:41:26,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:26,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:27,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:27,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207869158] [2022-11-23 15:41:27,111 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 15:41:27,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192342187] [2022-11-23 15:41:27,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:27,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:41:27,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:41:27,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:41:27,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:41:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:30,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 8794 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:41:30,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:41:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-23 15:41:30,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:41:30,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192342187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:30,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:30,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:41:30,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838035480] [2022-11-23 15:41:30,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:30,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:41:30,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:30,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:41:30,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:30,570 INFO L87 Difference]: Start difference. First operand 14496 states and 21276 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:41:32,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:34,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:37,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:41:41,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:44,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:45,527 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 [] [2022-11-23 15:41:52,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:52,106 INFO L93 Difference]: Finished difference Result 42594 states and 62533 transitions. [2022-11-23 15:41:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:41:52,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2022-11-23 15:41:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:52,292 INFO L225 Difference]: With dead ends: 42594 [2022-11-23 15:41:52,292 INFO L226 Difference]: Without dead ends: 28117 [2022-11-23 15:41:52,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:52,378 INFO L413 NwaCegarLoop]: 6418 mSDtfsCounter, 4954 mSDsluCounter, 4642 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 40 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4959 SdHoareTripleChecker+Valid, 11060 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:52,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4959 Valid, 11060 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1449 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2022-11-23 15:41:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28117 states. [2022-11-23 15:41:53,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28117 to 28098. [2022-11-23 15:41:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28098 states, 17244 states have (on average 1.3245186731616794) internal successors, (22840), 17770 states have internal predecessors, (22840), 9045 states have call successors, (9045), 1813 states have call predecessors, (9045), 1808 states have return successors, (9254), 8890 states have call predecessors, (9254), 9044 states have call successors, (9254) [2022-11-23 15:41:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28098 states to 28098 states and 41139 transitions. [2022-11-23 15:41:54,272 INFO L78 Accepts]: Start accepts. Automaton has 28098 states and 41139 transitions. Word has length 153 [2022-11-23 15:41:54,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:54,273 INFO L495 AbstractCegarLoop]: Abstraction has 28098 states and 41139 transitions. [2022-11-23 15:41:54,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:41:54,273 INFO L276 IsEmpty]: Start isEmpty. Operand 28098 states and 41139 transitions. [2022-11-23 15:41:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-23 15:41:54,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:54,335 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:41:54,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:41:54,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-23 15:41:54,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:54,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:54,556 INFO L85 PathProgramCache]: Analyzing trace with hash -580189491, now seen corresponding path program 1 times [2022-11-23 15:41:54,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:54,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194497308] [2022-11-23 15:41:54,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:54,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:56,298 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-23 15:41:56,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:56,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194497308] [2022-11-23 15:41:56,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194497308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:56,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:56,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:41:56,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282359535] [2022-11-23 15:41:56,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:56,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:41:56,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:56,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:41:56,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:56,303 INFO L87 Difference]: Start difference. First operand 28098 states and 41139 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:41:58,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:00,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:03,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:06,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:08,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:10,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:19,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:19,480 INFO L93 Difference]: Finished difference Result 82259 states and 120409 transitions. [2022-11-23 15:42:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:42:19,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 152 [2022-11-23 15:42:19,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:19,840 INFO L225 Difference]: With dead ends: 82259 [2022-11-23 15:42:19,840 INFO L226 Difference]: Without dead ends: 54180 [2022-11-23 15:42:19,969 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 [2022-11-23 15:42:19,971 INFO L413 NwaCegarLoop]: 6441 mSDtfsCounter, 4907 mSDsluCounter, 4729 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4911 SdHoareTripleChecker+Valid, 11170 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:19,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4911 Valid, 11170 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1317 Invalid, 4 Unknown, 0 Unchecked, 21.3s Time] [2022-11-23 15:42:20,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54180 states. [2022-11-23 15:42:22,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54180 to 54170. [2022-11-23 15:42:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54170 states, 33328 states have (on average 1.3260921747479597) internal successors, (44196), 34342 states have internal predecessors, (44196), 17349 states have call successors, (17349), 3497 states have call predecessors, (17349), 3492 states have return successors, (17736), 17066 states have call predecessors, (17736), 17348 states have call successors, (17736) [2022-11-23 15:42:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54170 states to 54170 states and 79281 transitions. [2022-11-23 15:42:22,849 INFO L78 Accepts]: Start accepts. Automaton has 54170 states and 79281 transitions. Word has length 152 [2022-11-23 15:42:22,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:22,849 INFO L495 AbstractCegarLoop]: Abstraction has 54170 states and 79281 transitions. [2022-11-23 15:42:22,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:42:22,850 INFO L276 IsEmpty]: Start isEmpty. Operand 54170 states and 79281 transitions. [2022-11-23 15:42:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-23 15:42:22,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:22,868 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:22,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:42:22,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:22,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:22,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1520268170, now seen corresponding path program 1 times [2022-11-23 15:42:22,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:22,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675613461] [2022-11-23 15:42:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:22,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:23,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:23,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675613461] [2022-11-23 15:42:23,775 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 15:42:23,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212576695] [2022-11-23 15:42:23,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:23,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:23,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:42:23,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:42:23,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:42:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:27,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 8898 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:42:27,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:42:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-23 15:42:27,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:42:27,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212576695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:27,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:27,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:42:27,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088133327] [2022-11-23 15:42:27,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:27,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:42:27,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:27,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:42:27,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:27,862 INFO L87 Difference]: Start difference. First operand 54170 states and 79281 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:42:29,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:32,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:35,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:39,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:46,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:49,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:56,340 INFO L93 Difference]: Finished difference Result 158138 states and 231392 transitions. [2022-11-23 15:42:56,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:42:56,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2022-11-23 15:42:56,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:57,198 INFO L225 Difference]: With dead ends: 158138 [2022-11-23 15:42:57,198 INFO L226 Difference]: Without dead ends: 103987 [2022-11-23 15:42:57,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:42:57,456 INFO L413 NwaCegarLoop]: 7152 mSDtfsCounter, 5126 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5131 SdHoareTripleChecker+Valid, 11875 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:57,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5131 Valid, 11875 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1465 Invalid, 5 Unknown, 0 Unchecked, 25.1s Time] [2022-11-23 15:42:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103987 states. [2022-11-23 15:43:01,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103987 to 103976. [2022-11-23 15:43:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103976 states, 64062 states have (on average 1.3259654709500173) internal successors, (84944), 65980 states have internal predecessors, (84944), 33185 states have call successors, (33185), 6737 states have call predecessors, (33185), 6728 states have return successors, (33856), 32638 states have call predecessors, (33856), 33184 states have call successors, (33856) [2022-11-23 15:43:03,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103976 states to 103976 states and 151985 transitions. [2022-11-23 15:43:03,064 INFO L78 Accepts]: Start accepts. Automaton has 103976 states and 151985 transitions. Word has length 164 [2022-11-23 15:43:03,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:03,064 INFO L495 AbstractCegarLoop]: Abstraction has 103976 states and 151985 transitions. [2022-11-23 15:43:03,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:43:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 103976 states and 151985 transitions. [2022-11-23 15:43:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-23 15:43:03,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:03,131 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:43:03,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:43:03,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:43:03,360 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:03,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:03,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1867703437, now seen corresponding path program 1 times [2022-11-23 15:43:03,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:03,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118948063] [2022-11-23 15:43:03,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:03,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-11-23 15:43:05,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:05,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118948063] [2022-11-23 15:43:05,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118948063] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:43:05,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423351279] [2022-11-23 15:43:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:05,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:43:05,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:43:05,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:43:05,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:43:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:08,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 9569 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:43:08,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:43:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-23 15:43:08,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:43:08,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423351279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:08,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:43:08,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 15:43:08,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497364522] [2022-11-23 15:43:08,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:08,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:43:08,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:08,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:43:08,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:43:08,702 INFO L87 Difference]: Start difference. First operand 103976 states and 151985 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-23 15:43:10,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:13,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:15,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:43:23,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:25,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:33,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:33,687 INFO L93 Difference]: Finished difference Result 277951 states and 405353 transitions. [2022-11-23 15:43:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:43:33,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 219 [2022-11-23 15:43:33,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:34,662 INFO L225 Difference]: With dead ends: 277951 [2022-11-23 15:43:34,663 INFO L226 Difference]: Without dead ends: 173994 [2022-11-23 15:43:35,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:43:35,246 INFO L413 NwaCegarLoop]: 6398 mSDtfsCounter, 5152 mSDsluCounter, 4522 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 12 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 10920 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:35,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 10920 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1289 Invalid, 5 Unknown, 0 Unchecked, 18.7s Time] [2022-11-23 15:43:35,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173994 states. [2022-11-23 15:43:42,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173994 to 173980. [2022-11-23 15:43:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173980 states, 107406 states have (on average 1.3248608085209392) internal successors, (142298), 110692 states have internal predecessors, (142298), 54913 states have call successors, (54913), 11669 states have call predecessors, (54913), 11660 states have return successors, (56060), 54014 states have call predecessors, (56060), 54912 states have call successors, (56060) [2022-11-23 15:43:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173980 states to 173980 states and 253271 transitions. [2022-11-23 15:43:44,289 INFO L78 Accepts]: Start accepts. Automaton has 173980 states and 253271 transitions. Word has length 219 [2022-11-23 15:43:44,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:44,290 INFO L495 AbstractCegarLoop]: Abstraction has 173980 states and 253271 transitions. [2022-11-23 15:43:44,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-23 15:43:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 173980 states and 253271 transitions. [2022-11-23 15:43:44,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-23 15:43:44,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:44,372 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:43:44,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:43:44,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:43:44,588 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:44,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1006619907, now seen corresponding path program 1 times [2022-11-23 15:43:44,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:44,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735361738] [2022-11-23 15:43:44,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:44,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:45,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:45,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735361738] [2022-11-23 15:43:45,514 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 15:43:45,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031846047] [2022-11-23 15:43:45,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:45,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:43:45,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:43:45,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:43:45,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6a61ca-a17c-4397-ac61-e014e9aedc40/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:43:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:48,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 9205 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:43:48,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:43:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-11-23 15:43:48,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:43:48,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031846047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:48,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:48,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:43:48,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772603176] [2022-11-23 15:43:48,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:48,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:43:48,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:48,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:43:48,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:43:48,803 INFO L87 Difference]: Start difference. First operand 173980 states and 253271 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 15:43:50,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:54,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:57,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []