./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43bed732c323fe40708c0d64bb60905c00a1c3c7d8f882023d821fe272dfa892 --- 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-8393723 [2022-11-18 21:10:54,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:10:54,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:10:54,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:10:54,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:10:54,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:10:54,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:10:54,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:10:54,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:10:54,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:10:54,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:10:54,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:10:54,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:10:54,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:10:54,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:10:54,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:10:54,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:10:54,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:10:54,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:10:54,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:10:54,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:10:54,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:10:54,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:10:54,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:10:54,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:10:54,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:10:54,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:10:54,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:10:54,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:10:54,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:10:54,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:10:54,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:10:54,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:10:54,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:10:54,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:10:54,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:10:54,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:10:54,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:10:54,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:10:54,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:10:54,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:10:54,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:10:54,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:10:54,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:10:54,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:10:54,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:10:54,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:10:54,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:10:54,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:10:54,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:10:54,480 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:10:54,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:10:54,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:10:54,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:10:54,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:10:54,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:10:54,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:10:54,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:10:54,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:10:54,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:10:54,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:10:54,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:10:54,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:10:54,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:10:54,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:10:54,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:10:54,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:10:54,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:10:54,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:10:54,485 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:10:54,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:10:54,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:10:54,485 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_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43bed732c323fe40708c0d64bb60905c00a1c3c7d8f882023d821fe272dfa892 [2022-11-18 21:10:54,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:10:54,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:10:54,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:10:54,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:10:54,778 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:10:54,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-18 21:10:54,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/data/178bc1288/96f2bfcea9034dfcbe2ee380930881b5/FLAG91224066a [2022-11-18 21:10:56,111 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:10:56,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-18 21:10:56,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/data/178bc1288/96f2bfcea9034dfcbe2ee380930881b5/FLAG91224066a [2022-11-18 21:10:56,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/data/178bc1288/96f2bfcea9034dfcbe2ee380930881b5 [2022-11-18 21:10:56,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:10:56,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:10:56,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:10:56,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:10:56,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:10:56,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:10:56" (1/1) ... [2022-11-18 21:10:56,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca89dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:56, skipping insertion in model container [2022-11-18 21:10:56,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:10:56" (1/1) ... [2022-11-18 21:10:56,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:10:56,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:11:06,067 WARN L234 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_370bc84a-3627-4fb9-9373-14d6971c682f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860429,860442] [2022-11-18 21:11:06,073 WARN L234 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_370bc84a-3627-4fb9-9373-14d6971c682f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860574,860587] [2022-11-18 21:11:06,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:11:06,192 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:11:07,317 WARN L234 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_370bc84a-3627-4fb9-9373-14d6971c682f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860429,860442] [2022-11-18 21:11:07,318 WARN L234 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_370bc84a-3627-4fb9-9373-14d6971c682f/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[860574,860587] [2022-11-18 21:11:07,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:11:07,750 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:11:07,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07 WrapperNode [2022-11-18 21:11:07,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:11:07,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:11:07,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:11:07,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:11:07,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:08,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:08,478 INFO L138 Inliner]: procedures = 823, calls = 8008, calls flagged for inlining = 349, calls inlined = 334, statements flattened = 19252 [2022-11-18 21:11:08,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:11:08,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:11:08,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:11:08,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:11:08,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:08,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:08,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:08,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:09,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:09,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:09,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:09,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:09,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:11:09,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:11:09,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:11:09,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:11:09,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (1/1) ... [2022-11-18 21:11:09,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:11:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:11:09,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:11:09,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:11:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2022-11-18 21:11:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2022-11-18 21:11:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2022-11-18 21:11:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2022-11-18 21:11:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-18 21:11:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-18 21:11:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-18 21:11:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-18 21:11:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2022-11-18 21:11:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2022-11-18 21:11:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-18 21:11:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-18 21:11:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_108 [2022-11-18 21:11:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_108 [2022-11-18 21:11:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_109 [2022-11-18 21:11:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_109 [2022-11-18 21:11:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2022-11-18 21:11:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2022-11-18 21:11:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_link_down_ind [2022-11-18 21:11:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_link_down_ind [2022-11-18 21:11:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2022-11-18 21:11:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2022-11-18 21:11:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2022-11-18 21:11:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2022-11-18 21:11:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2022-11-18 21:11:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2022-11-18 21:11:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2022-11-18 21:11:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2022-11-18 21:11:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2022-11-18 21:11:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2022-11-18 21:11:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 21:11:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 21:11:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 21:11:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 21:11:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-18 21:11:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-18 21:11:09,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2022-11-18 21:11:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2022-11-18 21:11:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2022-11-18 21:11:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2022-11-18 21:11:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2022-11-18 21:11:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2022-11-18 21:11:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2022-11-18 21:11:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2022-11-18 21:11:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2022-11-18 21:11:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2022-11-18 21:11:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2022-11-18 21:11:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2022-11-18 21:11:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_22 [2022-11-18 21:11:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_22 [2022-11-18 21:11:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2022-11-18 21:11:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2022-11-18 21:11:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2022-11-18 21:11:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2022-11-18 21:11:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 21:11:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 21:11:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2022-11-18 21:11:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2022-11-18 21:11:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 21:11:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 21:11:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 21:11:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 21:11:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2022-11-18 21:11:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2022-11-18 21:11:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 21:11:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 21:11:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2022-11-18 21:11:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2022-11-18 21:11:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_101 [2022-11-18 21:11:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_101 [2022-11-18 21:11:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 21:11:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 21:11:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2022-11-18 21:11:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2022-11-18 21:11:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_33 [2022-11-18 21:11:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_33 [2022-11-18 21:11:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 21:11:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 21:11:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2022-11-18 21:11:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2022-11-18 21:11:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 21:11:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 21:11:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_104 [2022-11-18 21:11:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_104 [2022-11-18 21:11:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_105 [2022-11-18 21:11:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_105 [2022-11-18 21:11:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_106 [2022-11-18 21:11:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_106 [2022-11-18 21:11:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2022-11-18 21:11:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2022-11-18 21:11:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2022-11-18 21:11:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2022-11-18 21:11:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2022-11-18 21:11:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2022-11-18 21:11:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 21:11:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 21:11:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2022-11-18 21:11:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2022-11-18 21:11:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:11:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_107 [2022-11-18 21:11:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_107 [2022-11-18 21:11:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 21:11:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 21:11:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2022-11-18 21:11:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2022-11-18 21:11:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-18 21:11:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-18 21:11:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 21:11:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 21:11:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2022-11-18 21:11:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2022-11-18 21:11:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2022-11-18 21:11:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2022-11-18 21:11:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2022-11-18 21:11:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2022-11-18 21:11:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 21:11:09,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 21:11:09,501 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 21:11:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 21:11:09,502 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2022-11-18 21:11:09,502 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2022-11-18 21:11:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-18 21:11:09,503 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-18 21:11:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_17_2 [2022-11-18 21:11:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_17_2 [2022-11-18 21:11:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2022-11-18 21:11:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2022-11-18 21:11:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2022-11-18 21:11:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2022-11-18 21:11:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:11:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-18 21:11:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-18 21:11:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-18 21:11:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-18 21:11:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-18 21:11:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-18 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 21:11:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2022-11-18 21:11:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2022-11-18 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 21:11:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 21:11:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:11:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:11:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-18 21:11:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-18 21:11:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-18 21:11:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-18 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 21:11:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 21:11:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 21:11:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2022-11-18 21:11:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2022-11-18 21:11:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2022-11-18 21:11:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2022-11-18 21:11:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2022-11-18 21:11:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2022-11-18 21:11:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2022-11-18 21:11:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2022-11-18 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2022-11-18 21:11:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2022-11-18 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-18 21:11:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-18 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2022-11-18 21:11:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2022-11-18 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2022-11-18 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2022-11-18 21:11:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 21:11:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2022-11-18 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2022-11-18 21:11:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2022-11-18 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2022-11-18 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2022-11-18 21:11:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2022-11-18 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-18 21:11:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-18 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2022-11-18 21:11:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2022-11-18 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_link_up_ind [2022-11-18 21:11:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_link_up_ind [2022-11-18 21:11:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 21:11:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 21:11:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2022-11-18 21:11:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2022-11-18 21:11:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2022-11-18 21:11:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2022-11-18 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:11:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2022-11-18 21:11:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2022-11-18 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2022-11-18 21:11:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2022-11-18 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 21:11:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 21:11:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2022-11-18 21:11:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2022-11-18 21:11:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:11:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 21:11:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 21:11:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2022-11-18 21:11:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2022-11-18 21:11:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 21:11:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 21:11:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 21:11:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 21:11:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2022-11-18 21:11:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2022-11-18 21:11:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 21:11:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2022-11-18 21:11:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2022-11-18 21:11:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2022-11-18 21:11:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2022-11-18 21:11:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 21:11:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_isr_napi [2022-11-18 21:11:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_isr_napi [2022-11-18 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2022-11-18 21:11:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2022-11-18 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2022-11-18 21:11:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2022-11-18 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 21:11:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 21:11:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-18 21:11:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-18 21:11:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-18 21:11:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-18 21:11:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:11:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2022-11-18 21:11:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2022-11-18 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-18 21:11:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-18 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2022-11-18 21:11:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2022-11-18 21:11:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 21:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 21:11:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2022-11-18 21:11:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2022-11-18 21:11:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:11:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:11:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:11:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2022-11-18 21:11:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2022-11-18 21:11:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2022-11-18 21:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2022-11-18 21:11:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2022-11-18 21:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2022-11-18 21:11:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2022-11-18 21:11:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2022-11-18 21:11:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 21:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 21:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-18 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-18 21:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2022-11-18 21:11:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2022-11-18 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2022-11-18 21:11:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2022-11-18 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2022-11-18 21:11:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2022-11-18 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2022-11-18 21:11:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2022-11-18 21:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 21:11:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 21:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2022-11-18 21:11:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2022-11-18 21:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2022-11-18 21:11:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2022-11-18 21:11:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2022-11-18 21:11:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2022-11-18 21:11:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2022-11-18 21:11:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2022-11-18 21:11:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 21:11:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 21:11:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2022-11-18 21:11:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2022-11-18 21:11:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 21:11:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 21:11:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2022-11-18 21:11:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2022-11-18 21:11:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-18 21:11:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-18 21:11:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 21:11:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 21:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2022-11-18 21:11:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2022-11-18 21:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2022-11-18 21:11:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2022-11-18 21:11:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-18 21:11:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-18 21:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2022-11-18 21:11:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2022-11-18 21:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 21:11:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 21:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_features [2022-11-18 21:11:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_features [2022-11-18 21:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:11:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:11:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2022-11-18 21:11:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2022-11-18 21:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2022-11-18 21:11:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2022-11-18 21:11:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2022-11-18 21:11:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2022-11-18 21:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-18 21:11:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-18 21:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2022-11-18 21:11:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2022-11-18 21:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2022-11-18 21:11:09,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2022-11-18 21:11:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2022-11-18 21:11:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2022-11-18 21:11:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2022-11-18 21:11:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2022-11-18 21:11:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 21:11:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 21:11:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2022-11-18 21:11:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2022-11-18 21:11:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2022-11-18 21:11:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2022-11-18 21:11:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2022-11-18 21:11:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2022-11-18 21:11:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:11:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 21:11:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2022-11-18 21:11:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2022-11-18 21:11:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2022-11-18 21:11:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2022-11-18 21:11:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2022-11-18 21:11:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2022-11-18 21:11:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_115 [2022-11-18 21:11:09,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_115 [2022-11-18 21:11:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2022-11-18 21:11:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2022-11-18 21:11:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2022-11-18 21:11:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2022-11-18 21:11:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2022-11-18 21:11:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2022-11-18 21:11:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2022-11-18 21:11:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2022-11-18 21:11:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2022-11-18 21:11:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2022-11-18 21:11:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2022-11-18 21:11:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2022-11-18 21:11:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-18 21:11:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-18 21:11:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2022-11-18 21:11:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2022-11-18 21:11:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2022-11-18 21:11:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2022-11-18 21:11:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 21:11:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 21:11:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2022-11-18 21:11:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2022-11-18 21:11:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-18 21:11:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-18 21:11:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:11:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:11:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2022-11-18 21:11:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2022-11-18 21:11:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 21:11:09,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 21:11:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 21:11:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 21:11:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2022-11-18 21:11:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2022-11-18 21:11:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-18 21:11:09,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-18 21:11:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-18 21:11:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-18 21:11:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-18 21:11:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-18 21:11:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2022-11-18 21:11:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2022-11-18 21:11:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2022-11-18 21:11:09,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2022-11-18 21:11:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2022-11-18 21:11:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2022-11-18 21:11:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 21:11:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 21:11:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_poll_vp_lockup [2022-11-18 21:11:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_poll_vp_lockup [2022-11-18 21:11:09,560 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2022-11-18 21:11:09,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2022-11-18 21:11:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2022-11-18 21:11:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2022-11-18 21:11:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2022-11-18 21:11:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2022-11-18 21:11:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 21:11:09,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 21:11:09,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 21:11:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 21:11:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 21:11:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 21:11:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 21:11:09,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 21:11:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:11:09,562 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2022-11-18 21:11:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2022-11-18 21:11:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-18 21:11:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-18 21:11:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 21:11:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 21:11:09,563 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2022-11-18 21:11:09,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2022-11-18 21:11:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 21:11:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 21:11:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:11:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 21:11:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 21:11:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2022-11-18 21:11:09,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2022-11-18 21:11:09,564 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2022-11-18 21:11:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2022-11-18 21:11:09,565 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2022-11-18 21:11:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2022-11-18 21:11:09,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-18 21:11:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-18 21:11:09,565 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 21:11:09,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 21:11:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:11:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_alarm_process [2022-11-18 21:11:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_alarm_process [2022-11-18 21:11:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 21:11:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 21:11:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 21:11:09,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 21:11:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:11:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:11:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 21:11:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 21:11:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_4 [2022-11-18 21:11:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_4 [2022-11-18 21:11:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2022-11-18 21:11:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2022-11-18 21:11:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2022-11-18 21:11:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2022-11-18 21:11:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-18 21:11:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-18 21:11:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2022-11-18 21:11:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2022-11-18 21:11:09,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 21:11:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 21:11:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-18 21:11:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-18 21:11:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-18 21:11:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-18 21:11:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_3 [2022-11-18 21:11:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_3 [2022-11-18 21:11:09,569 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 21:11:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 21:11:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2022-11-18 21:11:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2022-11-18 21:11:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2022-11-18 21:11:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2022-11-18 21:11:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2022-11-18 21:11:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2022-11-18 21:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2022-11-18 21:11:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2022-11-18 21:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2022-11-18 21:11:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2022-11-18 21:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-18 21:11:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-18 21:11:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2022-11-18 21:11:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2022-11-18 21:11:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 21:11:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 21:11:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_poll_vp_reset [2022-11-18 21:11:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_poll_vp_reset [2022-11-18 21:11:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:11:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 21:11:09,572 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2022-11-18 21:11:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2022-11-18 21:11:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-18 21:11:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-18 21:11:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-18 21:11:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-18 21:11:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_change_mtu [2022-11-18 21:11:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_change_mtu [2022-11-18 21:11:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2022-11-18 21:11:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2022-11-18 21:11:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2022-11-18 21:11:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2022-11-18 21:11:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2022-11-18 21:11:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2022-11-18 21:11:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2022-11-18 21:11:09,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2022-11-18 21:11:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 21:11:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 21:11:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_alarm_msix_handle [2022-11-18 21:11:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_alarm_msix_handle [2022-11-18 21:11:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 21:11:09,575 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 21:11:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-18 21:11:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-18 21:11:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-18 21:11:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-18 21:11:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2022-11-18 21:11:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2022-11-18 21:11:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 21:11:09,576 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 21:11:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2022-11-18 21:11:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2022-11-18 21:11:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2022-11-18 21:11:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2022-11-18 21:11:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-18 21:11:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-18 21:11:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2022-11-18 21:11:09,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2022-11-18 21:11:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_isr [2022-11-18 21:11:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_isr [2022-11-18 21:11:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2022-11-18 21:11:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2022-11-18 21:11:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2022-11-18 21:11:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2022-11-18 21:11:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:11:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:11:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:11:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2022-11-18 21:11:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2022-11-18 21:11:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 21:11:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 21:11:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-18 21:11:09,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-18 21:11:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 21:11:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 21:11:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-18 21:11:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-18 21:11:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-11-18 21:11:09,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-11-18 21:11:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2022-11-18 21:11:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2022-11-18 21:11:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-18 21:11:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-18 21:11:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-18 21:11:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-18 21:11:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2022-11-18 21:11:09,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2022-11-18 21:11:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2022-11-18 21:11:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2022-11-18 21:11:09,582 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2022-11-18 21:11:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2022-11-18 21:11:09,582 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 21:11:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 21:11:09,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 21:11:09,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 21:11:09,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 21:11:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 21:11:09,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_113 [2022-11-18 21:11:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_113 [2022-11-18 21:11:09,583 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2022-11-18 21:11:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2022-11-18 21:11:09,583 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2022-11-18 21:11:09,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2022-11-18 21:11:09,584 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2022-11-18 21:11:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2022-11-18 21:11:09,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:11:09,584 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 21:11:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 21:11:09,584 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2022-11-18 21:11:09,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2022-11-18 21:11:09,584 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 21:11:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 21:11:09,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-18 21:11:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-18 21:11:09,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 21:11:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 21:11:09,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-18 21:11:09,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-18 21:11:09,586 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2022-11-18 21:11:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2022-11-18 21:11:09,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2022-11-18 21:11:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2022-11-18 21:11:09,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2022-11-18 21:11:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2022-11-18 21:11:09,586 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2022-11-18 21:11:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2022-11-18 21:11:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 21:11:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 21:11:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 21:11:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 21:11:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 21:11:09,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 21:11:09,587 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-18 21:11:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-18 21:11:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2022-11-18 21:11:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2022-11-18 21:11:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:11:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:11:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2022-11-18 21:11:09,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2022-11-18 21:11:09,588 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2022-11-18 21:11:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2022-11-18 21:11:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-18 21:11:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-18 21:11:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-18 21:11:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-18 21:11:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_vpath [2022-11-18 21:11:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_vpath [2022-11-18 21:11:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 21:11:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 21:11:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-18 21:11:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-18 21:11:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2022-11-18 21:11:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2022-11-18 21:11:09,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-18 21:11:09,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-18 21:11:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset [2022-11-18 21:11:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset [2022-11-18 21:11:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2022-11-18 21:11:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2022-11-18 21:11:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-18 21:11:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-18 21:11:09,591 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2022-11-18 21:11:09,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2022-11-18 21:11:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2022-11-18 21:11:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2022-11-18 21:11:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-18 21:11:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-18 21:11:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 21:11:09,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 21:11:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_begin_irq [2022-11-18 21:11:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_begin_irq [2022-11-18 21:11:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2022-11-18 21:11:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2022-11-18 21:11:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_4 [2022-11-18 21:11:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_4 [2022-11-18 21:11:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 21:11:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 21:11:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 21:11:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 21:11:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2022-11-18 21:11:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2022-11-18 21:11:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:11:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-18 21:11:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-18 21:11:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 21:11:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 21:11:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 21:11:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-18 21:11:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-18 21:11:11,845 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:11:11,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:11:17,832 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:21:21,232 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:21:21,290 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:21:21,291 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-18 21:21:21,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:21:21 BoogieIcfgContainer [2022-11-18 21:21:21,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:21:21,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:21:21,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:21:21,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:21:21,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:10:56" (1/3) ... [2022-11-18 21:21:21,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b54507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:21:21, skipping insertion in model container [2022-11-18 21:21:21,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:07" (2/3) ... [2022-11-18 21:21:21,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b54507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:21:21, skipping insertion in model container [2022-11-18 21:21:21,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:21:21" (3/3) ... [2022-11-18 21:21:21,319 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-18 21:21:21,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:21:21,344 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 21:21:21,533 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:21:21,540 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=PETRI_NET, 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;@6259d791, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:21:21,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 21:21:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 6258 states, 4512 states have (on average 1.3601507092198581) internal successors, (6137), 4611 states have internal predecessors, (6137), 1430 states have call successors, (1430), 316 states have call predecessors, (1430), 315 states have return successors, (1423), 1396 states have call predecessors, (1423), 1423 states have call successors, (1423) [2022-11-18 21:21:21,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 21:21:21,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:21,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:21,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:21,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:21,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1130851122, now seen corresponding path program 1 times [2022-11-18 21:21:21,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:21,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751190085] [2022-11-18 21:21:21,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:21,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 21:21:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:21:23,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:23,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751190085] [2022-11-18 21:21:23,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751190085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:23,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:21:23,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:21:23,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551970685] [2022-11-18 21:21:23,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:23,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:21:23,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:23,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:21:23,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:21:23,973 INFO L87 Difference]: Start difference. First operand has 6258 states, 4512 states have (on average 1.3601507092198581) internal successors, (6137), 4611 states have internal predecessors, (6137), 1430 states have call successors, (1430), 316 states have call predecessors, (1430), 315 states have return successors, (1423), 1396 states have call predecessors, (1423), 1423 states have call successors, (1423) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:24,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:21:24,924 INFO L93 Difference]: Finished difference Result 12658 states and 18540 transitions. [2022-11-18 21:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:21:24,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-18 21:21:24,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:21:25,006 INFO L225 Difference]: With dead ends: 12658 [2022-11-18 21:21:25,007 INFO L226 Difference]: Without dead ends: 6263 [2022-11-18 21:21:25,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:21:25,070 INFO L413 NwaCegarLoop]: 9052 mSDtfsCounter, 164 mSDsluCounter, 8890 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 17942 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:21:25,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 17942 Invalid, 37 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 21:21:25,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2022-11-18 21:21:25,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6152. [2022-11-18 21:21:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6152 states, 4448 states have (on average 1.3450989208633093) internal successors, (5983), 4538 states have internal predecessors, (5983), 1388 states have call successors, (1388), 314 states have call predecessors, (1388), 314 states have return successors, (1388), 1361 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-11-18 21:21:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6152 states to 6152 states and 8759 transitions. [2022-11-18 21:21:25,558 INFO L78 Accepts]: Start accepts. Automaton has 6152 states and 8759 transitions. Word has length 20 [2022-11-18 21:21:25,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:21:25,559 INFO L495 AbstractCegarLoop]: Abstraction has 6152 states and 8759 transitions. [2022-11-18 21:21:25,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 6152 states and 8759 transitions. [2022-11-18 21:21:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-18 21:21:25,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:25,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:25,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:21:25,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:25,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:25,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1438163987, now seen corresponding path program 1 times [2022-11-18 21:21:25,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:25,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363939426] [2022-11-18 21:21:25,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:25,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 21:21:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:21:26,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:26,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363939426] [2022-11-18 21:21:26,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363939426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:26,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:21:26,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:21:26,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356085963] [2022-11-18 21:21:26,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:26,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:21:26,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:26,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:21:26,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:21:26,750 INFO L87 Difference]: Start difference. First operand 6152 states and 8759 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:21:27,129 INFO L93 Difference]: Finished difference Result 12406 states and 17669 transitions. [2022-11-18 21:21:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:21:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-18 21:21:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:21:27,185 INFO L225 Difference]: With dead ends: 12406 [2022-11-18 21:21:27,185 INFO L226 Difference]: Without dead ends: 6265 [2022-11-18 21:21:27,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:21:27,212 INFO L413 NwaCegarLoop]: 8769 mSDtfsCounter, 95 mSDsluCounter, 8724 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 17493 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:21:27,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 17493 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:21:27,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-11-18 21:21:27,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6151. [2022-11-18 21:21:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6151 states, 4447 states have (on average 1.3445019114009444) internal successors, (5979), 4537 states have internal predecessors, (5979), 1388 states have call successors, (1388), 314 states have call predecessors, (1388), 314 states have return successors, (1388), 1361 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-11-18 21:21:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 6151 states and 8755 transitions. [2022-11-18 21:21:27,507 INFO L78 Accepts]: Start accepts. Automaton has 6151 states and 8755 transitions. Word has length 22 [2022-11-18 21:21:27,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:21:27,508 INFO L495 AbstractCegarLoop]: Abstraction has 6151 states and 8755 transitions. [2022-11-18 21:21:27,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 8755 transitions. [2022-11-18 21:21:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 21:21:27,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:27,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:27,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:21:27,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:27,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:27,513 INFO L85 PathProgramCache]: Analyzing trace with hash 247787689, now seen corresponding path program 1 times [2022-11-18 21:21:27,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:27,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461958448] [2022-11-18 21:21:27,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:27,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 21:21:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:21:28,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:28,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461958448] [2022-11-18 21:21:28,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461958448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:28,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:21:28,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:21:28,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013712681] [2022-11-18 21:21:28,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:28,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:21:28,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:28,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:21:28,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:21:28,844 INFO L87 Difference]: Start difference. First operand 6151 states and 8755 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:29,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:21:29,291 INFO L93 Difference]: Finished difference Result 12270 states and 17461 transitions. [2022-11-18 21:21:29,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:21:29,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-18 21:21:29,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:21:29,343 INFO L225 Difference]: With dead ends: 12270 [2022-11-18 21:21:29,343 INFO L226 Difference]: Without dead ends: 6153 [2022-11-18 21:21:29,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:21:29,385 INFO L413 NwaCegarLoop]: 8736 mSDtfsCounter, 1 mSDsluCounter, 8716 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 17452 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:21:29,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 17452 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 21:21:29,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6153 states. [2022-11-18 21:21:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6153 to 6152. [2022-11-18 21:21:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6152 states, 4448 states have (on average 1.3444244604316546) internal successors, (5980), 4538 states have internal predecessors, (5980), 1388 states have call successors, (1388), 314 states have call predecessors, (1388), 314 states have return successors, (1388), 1361 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-11-18 21:21:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6152 states to 6152 states and 8756 transitions. [2022-11-18 21:21:29,664 INFO L78 Accepts]: Start accepts. Automaton has 6152 states and 8756 transitions. Word has length 23 [2022-11-18 21:21:29,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:21:29,665 INFO L495 AbstractCegarLoop]: Abstraction has 6152 states and 8756 transitions. [2022-11-18 21:21:29,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6152 states and 8756 transitions. [2022-11-18 21:21:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 21:21:29,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:29,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:29,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:21:29,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:29,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:29,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1838527003, now seen corresponding path program 1 times [2022-11-18 21:21:29,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:29,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017355319] [2022-11-18 21:21:29,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:29,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:21:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:21:31,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:31,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017355319] [2022-11-18 21:21:31,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017355319] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:21:31,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882805859] [2022-11-18 21:21:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:31,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:21:31,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:21:31,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:21:31,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 21:21:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:35,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 6680 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:21:35,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:21:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:21:35,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:21:35,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882805859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:35,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:21:35,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:21:35,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951543098] [2022-11-18 21:21:35,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:35,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:21:35,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:35,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:21:35,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:35,339 INFO L87 Difference]: Start difference. First operand 6152 states and 8756 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:36,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:21:36,096 INFO L93 Difference]: Finished difference Result 18362 states and 26572 transitions. [2022-11-18 21:21:36,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:21:36,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-18 21:21:36,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:21:36,193 INFO L225 Difference]: With dead ends: 18362 [2022-11-18 21:21:36,193 INFO L226 Difference]: Without dead ends: 12247 [2022-11-18 21:21:36,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:36,236 INFO L413 NwaCegarLoop]: 10364 mSDtfsCounter, 8809 mSDsluCounter, 8761 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8809 SdHoareTripleChecker+Valid, 19125 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:21:36,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8809 Valid, 19125 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:21:36,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12247 states. [2022-11-18 21:21:36,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12247 to 12242. [2022-11-18 21:21:36,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12242 states, 8844 states have (on average 1.3441881501582995) internal successors, (11888), 9023 states have internal predecessors, (11888), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2022-11-18 21:21:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12242 states to 12242 states and 17610 transitions. [2022-11-18 21:21:36,904 INFO L78 Accepts]: Start accepts. Automaton has 12242 states and 17610 transitions. Word has length 25 [2022-11-18 21:21:36,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:21:36,905 INFO L495 AbstractCegarLoop]: Abstraction has 12242 states and 17610 transitions. [2022-11-18 21:21:36,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 12242 states and 17610 transitions. [2022-11-18 21:21:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 21:21:36,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:36,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:36,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 21:21:37,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:21:37,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:37,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:37,122 INFO L85 PathProgramCache]: Analyzing trace with hash -827766873, now seen corresponding path program 1 times [2022-11-18 21:21:37,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:37,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445731724] [2022-11-18 21:21:37,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:21:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:21:38,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:38,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445731724] [2022-11-18 21:21:38,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445731724] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:21:38,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438400356] [2022-11-18 21:21:38,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:38,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:21:38,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:21:38,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:21:38,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 21:21:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:42,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 6681 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:21:42,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:21:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:21:42,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:21:42,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438400356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:42,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:21:42,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:21:42,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063747069] [2022-11-18 21:21:42,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:42,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:21:42,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:42,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:21:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:42,394 INFO L87 Difference]: Start difference. First operand 12242 states and 17610 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:21:43,024 INFO L93 Difference]: Finished difference Result 24447 states and 35683 transitions. [2022-11-18 21:21:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:21:43,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-18 21:21:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:21:43,110 INFO L225 Difference]: With dead ends: 24447 [2022-11-18 21:21:43,110 INFO L226 Difference]: Without dead ends: 12242 [2022-11-18 21:21:43,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:43,189 INFO L413 NwaCegarLoop]: 8736 mSDtfsCounter, 8717 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8717 SdHoareTripleChecker+Valid, 8736 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:21:43,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8717 Valid, 8736 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:21:43,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12242 states. [2022-11-18 21:21:43,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12242 to 12242. [2022-11-18 21:21:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12242 states, 8844 states have (on average 1.3439620081411126) internal successors, (11886), 9023 states have internal predecessors, (11886), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2022-11-18 21:21:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12242 states to 12242 states and 17608 transitions. [2022-11-18 21:21:43,900 INFO L78 Accepts]: Start accepts. Automaton has 12242 states and 17608 transitions. Word has length 26 [2022-11-18 21:21:43,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:21:43,901 INFO L495 AbstractCegarLoop]: Abstraction has 12242 states and 17608 transitions. [2022-11-18 21:21:43,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 12242 states and 17608 transitions. [2022-11-18 21:21:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-18 21:21:43,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:43,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:43,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:21:44,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:21:44,119 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:44,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:44,119 INFO L85 PathProgramCache]: Analyzing trace with hash 555542689, now seen corresponding path program 1 times [2022-11-18 21:21:44,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:44,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158539245] [2022-11-18 21:21:44,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:44,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:45,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:21:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:21:45,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:45,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158539245] [2022-11-18 21:21:45,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158539245] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:21:45,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171604960] [2022-11-18 21:21:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:21:45,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:21:45,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:21:45,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 21:21:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:49,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 6682 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:21:49,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:21:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:21:49,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:21:49,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171604960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:49,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:21:49,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:21:49,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193782895] [2022-11-18 21:21:49,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:49,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:21:49,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:49,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:21:49,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:49,714 INFO L87 Difference]: Start difference. First operand 12242 states and 17608 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:50,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:21:50,385 INFO L93 Difference]: Finished difference Result 24447 states and 35679 transitions. [2022-11-18 21:21:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:21:50,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-11-18 21:21:50,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:21:50,469 INFO L225 Difference]: With dead ends: 24447 [2022-11-18 21:21:50,470 INFO L226 Difference]: Without dead ends: 12242 [2022-11-18 21:21:50,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:50,541 INFO L413 NwaCegarLoop]: 8735 mSDtfsCounter, 8715 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8715 SdHoareTripleChecker+Valid, 8735 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:21:50,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8715 Valid, 8735 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:21:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12242 states. [2022-11-18 21:21:51,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12242 to 12242. [2022-11-18 21:21:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12242 states, 8844 states have (on average 1.3437358661239258) internal successors, (11884), 9023 states have internal predecessors, (11884), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2022-11-18 21:21:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12242 states to 12242 states and 17606 transitions. [2022-11-18 21:21:51,237 INFO L78 Accepts]: Start accepts. Automaton has 12242 states and 17606 transitions. Word has length 27 [2022-11-18 21:21:51,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:21:51,237 INFO L495 AbstractCegarLoop]: Abstraction has 12242 states and 17606 transitions. [2022-11-18 21:21:51,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 12242 states and 17606 transitions. [2022-11-18 21:21:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-18 21:21:51,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:51,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:51,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:21:51,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 21:21:51,467 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash 602982755, now seen corresponding path program 1 times [2022-11-18 21:21:51,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:51,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649421519] [2022-11-18 21:21:51,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:52,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:21:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:21:52,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:21:52,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649421519] [2022-11-18 21:21:52,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649421519] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:21:52,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445185472] [2022-11-18 21:21:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:52,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:21:52,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:21:52,514 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:21:52,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 21:21:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:21:56,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 6683 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:21:56,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:21:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:21:56,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:21:56,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445185472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:21:56,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:21:56,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:21:56,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860225522] [2022-11-18 21:21:56,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:21:56,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:21:56,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:21:56,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:21:56,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:56,645 INFO L87 Difference]: Start difference. First operand 12242 states and 17606 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:57,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:21:57,351 INFO L93 Difference]: Finished difference Result 24447 states and 35675 transitions. [2022-11-18 21:21:57,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:21:57,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-18 21:21:57,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:21:57,721 INFO L225 Difference]: With dead ends: 24447 [2022-11-18 21:21:57,721 INFO L226 Difference]: Without dead ends: 12242 [2022-11-18 21:21:57,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:21:57,794 INFO L413 NwaCegarLoop]: 8734 mSDtfsCounter, 8713 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8713 SdHoareTripleChecker+Valid, 8734 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:21:57,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8713 Valid, 8734 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:21:57,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12242 states. [2022-11-18 21:21:58,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12242 to 12242. [2022-11-18 21:21:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12242 states, 8844 states have (on average 1.343509724106739) internal successors, (11882), 9023 states have internal predecessors, (11882), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2022-11-18 21:21:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12242 states to 12242 states and 17604 transitions. [2022-11-18 21:21:58,834 INFO L78 Accepts]: Start accepts. Automaton has 12242 states and 17604 transitions. Word has length 28 [2022-11-18 21:21:58,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:21:58,837 INFO L495 AbstractCegarLoop]: Abstraction has 12242 states and 17604 transitions. [2022-11-18 21:21:58,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:21:58,838 INFO L276 IsEmpty]: Start isEmpty. Operand 12242 states and 17604 transitions. [2022-11-18 21:21:58,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-18 21:21:58,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:21:58,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:21:58,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:21:59,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:21:59,058 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:21:59,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:21:59,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2106825891, now seen corresponding path program 1 times [2022-11-18 21:21:59,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:21:59,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18240087] [2022-11-18 21:21:59,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:21:59,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:21:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:22:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:22:00,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:22:00,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18240087] [2022-11-18 21:22:00,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18240087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:22:00,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127709549] [2022-11-18 21:22:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:00,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:22:00,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:22:00,436 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:22:00,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 21:22:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:04,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 6684 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:22:04,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:22:04,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:22:04,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:22:04,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127709549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:22:04,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:22:04,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:22:04,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457076064] [2022-11-18 21:22:04,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:22:04,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:22:04,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:22:04,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:22:04,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:04,745 INFO L87 Difference]: Start difference. First operand 12242 states and 17604 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:05,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:22:05,499 INFO L93 Difference]: Finished difference Result 24447 states and 35671 transitions. [2022-11-18 21:22:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:22:05,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-18 21:22:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:22:05,589 INFO L225 Difference]: With dead ends: 24447 [2022-11-18 21:22:05,589 INFO L226 Difference]: Without dead ends: 12242 [2022-11-18 21:22:05,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:05,664 INFO L413 NwaCegarLoop]: 8733 mSDtfsCounter, 8711 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8711 SdHoareTripleChecker+Valid, 8733 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:22:05,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8711 Valid, 8733 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:22:05,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12242 states. [2022-11-18 21:22:06,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12242 to 12242. [2022-11-18 21:22:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12242 states, 8844 states have (on average 1.3432835820895523) internal successors, (11880), 9023 states have internal predecessors, (11880), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2022-11-18 21:22:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12242 states to 12242 states and 17602 transitions. [2022-11-18 21:22:06,483 INFO L78 Accepts]: Start accepts. Automaton has 12242 states and 17602 transitions. Word has length 29 [2022-11-18 21:22:06,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:22:06,484 INFO L495 AbstractCegarLoop]: Abstraction has 12242 states and 17602 transitions. [2022-11-18 21:22:06,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 12242 states and 17602 transitions. [2022-11-18 21:22:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 21:22:06,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:22:06,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:22:06,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 21:22:06,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:22:06,711 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:22:06,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:22:06,711 INFO L85 PathProgramCache]: Analyzing trace with hash -97031393, now seen corresponding path program 1 times [2022-11-18 21:22:06,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:22:06,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527583039] [2022-11-18 21:22:06,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:06,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:22:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:22:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:22:08,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:22:08,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527583039] [2022-11-18 21:22:08,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527583039] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:22:08,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40955850] [2022-11-18 21:22:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:08,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:22:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:22:08,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:22:08,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 21:22:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:12,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 6685 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:22:12,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:22:12,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:22:12,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:22:12,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40955850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:22:12,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:22:12,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:22:12,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103666404] [2022-11-18 21:22:12,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:22:12,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:22:12,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:22:12,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:22:12,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:12,518 INFO L87 Difference]: Start difference. First operand 12242 states and 17602 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:13,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:22:13,141 INFO L93 Difference]: Finished difference Result 24447 states and 35667 transitions. [2022-11-18 21:22:13,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:22:13,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-18 21:22:13,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:22:13,229 INFO L225 Difference]: With dead ends: 24447 [2022-11-18 21:22:13,229 INFO L226 Difference]: Without dead ends: 12242 [2022-11-18 21:22:13,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:13,301 INFO L413 NwaCegarLoop]: 8732 mSDtfsCounter, 8709 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8709 SdHoareTripleChecker+Valid, 8732 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:22:13,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8709 Valid, 8732 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:22:13,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12242 states. [2022-11-18 21:22:14,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12242 to 12242. [2022-11-18 21:22:14,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12242 states, 8844 states have (on average 1.3430574400723654) internal successors, (11878), 9023 states have internal predecessors, (11878), 2768 states have call successors, (2768), 628 states have call predecessors, (2768), 628 states have return successors, (2954), 2713 states have call predecessors, (2954), 2768 states have call successors, (2954) [2022-11-18 21:22:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12242 states to 12242 states and 17600 transitions. [2022-11-18 21:22:14,205 INFO L78 Accepts]: Start accepts. Automaton has 12242 states and 17600 transitions. Word has length 30 [2022-11-18 21:22:14,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:22:14,206 INFO L495 AbstractCegarLoop]: Abstraction has 12242 states and 17600 transitions. [2022-11-18 21:22:14,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 12242 states and 17600 transitions. [2022-11-18 21:22:14,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 21:22:14,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:22:14,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:22:14,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 21:22:14,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-18 21:22:14,423 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:22:14,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:22:14,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2103394791, now seen corresponding path program 1 times [2022-11-18 21:22:14,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:22:14,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602542418] [2022-11-18 21:22:14,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:14,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:22:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:22:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:22:15,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:22:15,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602542418] [2022-11-18 21:22:15,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602542418] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:22:15,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936832560] [2022-11-18 21:22:15,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:15,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:22:15,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:22:15,838 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:22:15,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 21:22:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:20,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 6686 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:22:20,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:22:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:22:20,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:22:20,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936832560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:22:20,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:22:20,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:22:20,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150760855] [2022-11-18 21:22:20,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:22:20,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:22:20,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:22:20,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:22:20,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:20,541 INFO L87 Difference]: Start difference. First operand 12242 states and 17600 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:21,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:22:21,675 INFO L93 Difference]: Finished difference Result 36596 states and 54429 transitions. [2022-11-18 21:22:21,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:22:21,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-18 21:22:21,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:22:21,812 INFO L225 Difference]: With dead ends: 36596 [2022-11-18 21:22:21,813 INFO L226 Difference]: Without dead ends: 24391 [2022-11-18 21:22:21,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:21,991 INFO L413 NwaCegarLoop]: 10488 mSDtfsCounter, 8840 mSDsluCounter, 8797 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8840 SdHoareTripleChecker+Valid, 19285 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:22:21,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8840 Valid, 19285 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:22:22,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24391 states. [2022-11-18 21:22:23,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24391 to 24383. [2022-11-18 21:22:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24383 states, 17609 states have (on average 1.343290362882617) internal successors, (23654), 17969 states have internal predecessors, (23654), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2022-11-18 21:22:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24383 states to 24383 states and 35986 transitions. [2022-11-18 21:22:23,699 INFO L78 Accepts]: Start accepts. Automaton has 24383 states and 35986 transitions. Word has length 31 [2022-11-18 21:22:23,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:22:23,701 INFO L495 AbstractCegarLoop]: Abstraction has 24383 states and 35986 transitions. [2022-11-18 21:22:23,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:23,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24383 states and 35986 transitions. [2022-11-18 21:22:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 21:22:23,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:22:23,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:22:23,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 21:22:23,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-18 21:22:23,919 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:22:23,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:22:23,919 INFO L85 PathProgramCache]: Analyzing trace with hash 238365915, now seen corresponding path program 1 times [2022-11-18 21:22:23,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:22:23,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928393418] [2022-11-18 21:22:23,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:23,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:22:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:22:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:22:25,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:22:25,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928393418] [2022-11-18 21:22:25,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928393418] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:22:25,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269014505] [2022-11-18 21:22:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:25,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:22:25,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:22:25,280 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:22:25,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 21:22:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:29,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 6687 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:22:29,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:22:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:22:29,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:22:29,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269014505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:22:29,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:22:29,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:22:29,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983832125] [2022-11-18 21:22:29,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:22:29,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:22:29,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:22:29,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:22:29,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:29,791 INFO L87 Difference]: Start difference. First operand 24383 states and 35986 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:22:31,307 INFO L93 Difference]: Finished difference Result 48729 states and 73689 transitions. [2022-11-18 21:22:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:22:31,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-18 21:22:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:22:31,475 INFO L225 Difference]: With dead ends: 48729 [2022-11-18 21:22:31,475 INFO L226 Difference]: Without dead ends: 24383 [2022-11-18 21:22:31,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:31,798 INFO L413 NwaCegarLoop]: 8731 mSDtfsCounter, 8706 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8706 SdHoareTripleChecker+Valid, 8731 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:22:31,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8706 Valid, 8731 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:22:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24383 states. [2022-11-18 21:22:33,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24383 to 24383. [2022-11-18 21:22:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24383 states, 17609 states have (on average 1.3430632063149526) internal successors, (23650), 17969 states have internal predecessors, (23650), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2022-11-18 21:22:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24383 states to 24383 states and 35982 transitions. [2022-11-18 21:22:33,543 INFO L78 Accepts]: Start accepts. Automaton has 24383 states and 35982 transitions. Word has length 32 [2022-11-18 21:22:33,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:22:33,543 INFO L495 AbstractCegarLoop]: Abstraction has 24383 states and 35982 transitions. [2022-11-18 21:22:33,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 24383 states and 35982 transitions. [2022-11-18 21:22:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-18 21:22:33,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:22:33,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:22:33,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 21:22:33,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 21:22:33,771 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:22:33,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:22:33,772 INFO L85 PathProgramCache]: Analyzing trace with hash -66979627, now seen corresponding path program 1 times [2022-11-18 21:22:33,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:22:33,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200317528] [2022-11-18 21:22:33,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:22:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:22:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:22:34,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:22:34,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200317528] [2022-11-18 21:22:34,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200317528] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:22:34,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856884732] [2022-11-18 21:22:34,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:34,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:22:34,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:22:34,914 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:22:34,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 21:22:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:39,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 6688 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:22:39,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:22:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:22:39,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:22:39,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856884732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:22:39,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:22:39,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:22:39,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437567847] [2022-11-18 21:22:39,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:22:39,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:22:39,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:22:39,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:22:39,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:39,665 INFO L87 Difference]: Start difference. First operand 24383 states and 35982 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:22:41,250 INFO L93 Difference]: Finished difference Result 48729 states and 73681 transitions. [2022-11-18 21:22:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:22:41,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-11-18 21:22:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:22:41,375 INFO L225 Difference]: With dead ends: 48729 [2022-11-18 21:22:41,375 INFO L226 Difference]: Without dead ends: 24383 [2022-11-18 21:22:41,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:41,693 INFO L413 NwaCegarLoop]: 8730 mSDtfsCounter, 8704 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8704 SdHoareTripleChecker+Valid, 8730 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:22:41,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8704 Valid, 8730 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:22:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24383 states. [2022-11-18 21:22:43,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24383 to 24383. [2022-11-18 21:22:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24383 states, 17609 states have (on average 1.3428360497472884) internal successors, (23646), 17969 states have internal predecessors, (23646), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2022-11-18 21:22:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24383 states to 24383 states and 35978 transitions. [2022-11-18 21:22:43,403 INFO L78 Accepts]: Start accepts. Automaton has 24383 states and 35978 transitions. Word has length 33 [2022-11-18 21:22:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:22:43,403 INFO L495 AbstractCegarLoop]: Abstraction has 24383 states and 35978 transitions. [2022-11-18 21:22:43,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 24383 states and 35978 transitions. [2022-11-18 21:22:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 21:22:43,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:22:43,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:22:43,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-18 21:22:43,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 21:22:43,605 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:22:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:22:43,605 INFO L85 PathProgramCache]: Analyzing trace with hash -828240233, now seen corresponding path program 1 times [2022-11-18 21:22:43,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:22:43,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854929849] [2022-11-18 21:22:43,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:43,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:22:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 21:22:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:22:44,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:22:44,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854929849] [2022-11-18 21:22:44,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854929849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 21:22:44,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690630452] [2022-11-18 21:22:44,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:44,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 21:22:44,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:22:44,501 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 21:22:44,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 21:22:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:22:49,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 6689 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:22:49,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:22:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 21:22:49,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 21:22:49,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690630452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:22:49,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 21:22:49,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-18 21:22:49,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755431600] [2022-11-18 21:22:49,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:22:49,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:22:49,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:22:49,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:22:49,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:49,396 INFO L87 Difference]: Start difference. First operand 24383 states and 35978 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:50,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:22:50,741 INFO L93 Difference]: Finished difference Result 48729 states and 73673 transitions. [2022-11-18 21:22:50,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:22:50,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-18 21:22:50,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:22:50,843 INFO L225 Difference]: With dead ends: 48729 [2022-11-18 21:22:50,844 INFO L226 Difference]: Without dead ends: 24383 [2022-11-18 21:22:50,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:22:50,965 INFO L413 NwaCegarLoop]: 8729 mSDtfsCounter, 8702 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8702 SdHoareTripleChecker+Valid, 8729 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:22:50,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8702 Valid, 8729 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 21:22:50,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24383 states. [2022-11-18 21:22:52,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24383 to 24383. [2022-11-18 21:22:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24383 states, 17609 states have (on average 1.342608893179624) internal successors, (23642), 17969 states have internal predecessors, (23642), 5521 states have call successors, (5521), 1255 states have call predecessors, (5521), 1251 states have return successors, (6811), 5401 states have call predecessors, (6811), 5521 states have call successors, (6811) [2022-11-18 21:22:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24383 states to 24383 states and 35974 transitions. [2022-11-18 21:22:52,639 INFO L78 Accepts]: Start accepts. Automaton has 24383 states and 35974 transitions. Word has length 34 [2022-11-18 21:22:52,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:22:52,640 INFO L495 AbstractCegarLoop]: Abstraction has 24383 states and 35974 transitions. [2022-11-18 21:22:52,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 21:22:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 24383 states and 35974 transitions. [2022-11-18 21:22:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 21:22:52,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:22:52,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:22:52,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 21:22:52,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_370bc84a-3627-4fb9-9373-14d6971c682f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 21:22:52,851 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:22:52,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:22:52,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1457001361, now seen corresponding path program 1 times [2022-11-18 21:22:52,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:22:52,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042953065] [2022-11-18 21:22:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:22:52,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms