./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a --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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:08:11,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:08:11,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:08:11,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:08:11,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:08:11,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:08:11,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:08:11,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:08:11,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:08:11,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:08:11,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:08:11,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:08:11,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:08:11,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:08:11,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:08:11,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:08:11,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:08:11,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:08:11,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:08:11,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:08:11,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:08:11,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:08:11,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:08:11,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:08:11,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:08:11,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:08:11,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:08:11,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:08:11,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:08:11,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:08:11,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:08:11,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:08:11,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:08:11,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:08:11,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:08:11,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:08:11,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:08:11,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:08:11,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:08:11,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:08:11,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:08:11,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 09:08:11,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:08:11,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:08:11,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:08:11,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:08:11,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:08:11,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:08:11,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:08:11,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:08:11,305 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:08:11,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:08:11,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:08:11,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:08:11,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:08:11,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:08:11,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:08:11,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:08:11,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:08:11,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:08:11,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:08:11,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:08:11,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:08:11,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:11,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:08:11,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:08:11,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:08:11,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:08:11,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:08:11,311 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:08:11,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:08:11,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:08:11,312 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_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-11-21 09:08:11,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:08:11,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:08:11,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:08:11,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:08:11,627 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:08:11,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-11-21 09:08:14,635 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:08:15,213 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:08:15,213 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-11-21 09:08:15,260 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data/267592dae/491ad3761fae43f39b828d7045b8a4cc/FLAG60e0fe9c0 [2022-11-21 09:08:15,275 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data/267592dae/491ad3761fae43f39b828d7045b8a4cc [2022-11-21 09:08:15,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:08:15,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:08:15,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:15,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:08:15,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:08:15,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:15" (1/1) ... [2022-11-21 09:08:15,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0074a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:15, skipping insertion in model container [2022-11-21 09:08:15,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:15" (1/1) ... [2022-11-21 09:08:15,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:08:15,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:08:15,924 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-21 09:08:15,925 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-21 09:08:16,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-11-21 09:08:16,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:16,927 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:08:17,113 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-21 09:08:17,114 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-21 09:08:17,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-11-21 09:08:17,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:17,363 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:08:17,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17 WrapperNode [2022-11-21 09:08:17,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:17,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:17,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:08:17,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:08:17,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,581 INFO L138 Inliner]: procedures = 170, calls = 1035, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1573 [2022-11-21 09:08:17,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:17,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:08:17,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:08:17,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:08:17,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,702 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:08:17,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:08:17,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:08:17,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:08:17,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (1/1) ... [2022-11-21 09:08:17,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:17,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:08:17,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:08:17,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:08:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-11-21 09:08:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-11-21 09:08:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 09:08:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 09:08:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-21 09:08:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-21 09:08:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 09:08:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 09:08:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:08:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 09:08:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 09:08:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 09:08:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 09:08:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 09:08:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 09:08:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-11-21 09:08:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-11-21 09:08:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-11-21 09:08:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-11-21 09:08:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 09:08:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 09:08:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 09:08:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 09:08:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-11-21 09:08:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-11-21 09:08:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:08:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 09:08:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 09:08:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 09:08:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 09:08:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-21 09:08:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 09:08:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 09:08:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-11-21 09:08:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-11-21 09:08:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-11-21 09:08:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-11-21 09:08:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 09:08:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 09:08:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:08:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-11-21 09:08:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-11-21 09:08:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:08:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-11-21 09:08:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-11-21 09:08:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:08:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 09:08:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 09:08:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 09:08:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-21 09:08:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-21 09:08:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-21 09:08:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-21 09:08:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 09:08:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 09:08:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 09:08:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:08:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 09:08:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-11-21 09:08:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-11-21 09:08:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 09:08:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 09:08:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-21 09:08:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-21 09:08:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:08:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-21 09:08:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-21 09:08:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-11-21 09:08:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-11-21 09:08:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-11-21 09:08:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-11-21 09:08:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 09:08:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 09:08:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:08:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:08:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-11-21 09:08:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-11-21 09:08:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-11-21 09:08:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-11-21 09:08:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 09:08:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 09:08:18,360 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:08:18,363 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:08:18,906 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 09:08:19,717 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:08:19,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:08:19,738 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:08:19,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:19 BoogieIcfgContainer [2022-11-21 09:08:19,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:08:19,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:08:19,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:08:19,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:08:19,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:08:15" (1/3) ... [2022-11-21 09:08:19,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6334bcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:19, skipping insertion in model container [2022-11-21 09:08:19,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:17" (2/3) ... [2022-11-21 09:08:19,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6334bcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:19, skipping insertion in model container [2022-11-21 09:08:19,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:19" (3/3) ... [2022-11-21 09:08:19,755 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-11-21 09:08:19,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:08:19,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:08:19,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:08:19,860 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;@370a4cf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:08:19,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:08:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-11-21 09:08:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 09:08:19,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:19,888 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:19,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1403727082, now seen corresponding path program 1 times [2022-11-21 09:08:19,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:19,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277696360] [2022-11-21 09:08:19,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:19,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:20,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 09:08:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 09:08:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-21 09:08:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 09:08:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:20,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 09:08:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 09:08:20,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:08:20,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277696360] [2022-11-21 09:08:20,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277696360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:20,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:20,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:08:20,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622734310] [2022-11-21 09:08:20,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:20,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:08:20,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:08:20,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:08:20,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:08:20,595 INFO L87 Difference]: Start difference. First operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:23,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:23,751 INFO L93 Difference]: Finished difference Result 1566 states and 2222 transitions. [2022-11-21 09:08:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 09:08:23,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-11-21 09:08:23,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:23,784 INFO L225 Difference]: With dead ends: 1566 [2022-11-21 09:08:23,784 INFO L226 Difference]: Without dead ends: 1003 [2022-11-21 09:08:23,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 09:08:23,810 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 1227 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:23,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 1992 Invalid, 1730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [560 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-21 09:08:23,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2022-11-21 09:08:23,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 907. [2022-11-21 09:08:23,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 675 states have (on average 1.3644444444444443) internal successors, (921), 678 states have internal predecessors, (921), 171 states have call successors, (171), 61 states have call predecessors, (171), 60 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2022-11-21 09:08:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2022-11-21 09:08:24,004 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2022-11-21 09:08:24,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:24,005 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2022-11-21 09:08:24,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2022-11-21 09:08:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-21 09:08:24,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:24,026 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:24,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:08:24,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:24,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:24,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1087134040, now seen corresponding path program 1 times [2022-11-21 09:08:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:24,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015642345] [2022-11-21 09:08:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 09:08:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 09:08:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 09:08:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 09:08:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 09:08:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 09:08:24,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:08:24,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015642345] [2022-11-21 09:08:24,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015642345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:24,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:24,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:08:24,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079500304] [2022-11-21 09:08:24,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:24,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:08:24,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:08:24,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:08:24,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:08:24,263 INFO L87 Difference]: Start difference. First operand 907 states and 1262 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:26,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:26,097 INFO L93 Difference]: Finished difference Result 2159 states and 2998 transitions. [2022-11-21 09:08:26,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 09:08:26,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 69 [2022-11-21 09:08:26,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:26,107 INFO L225 Difference]: With dead ends: 2159 [2022-11-21 09:08:26,107 INFO L226 Difference]: Without dead ends: 1279 [2022-11-21 09:08:26,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 09:08:26,111 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 656 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:26,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 1876 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-21 09:08:26,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2022-11-21 09:08:26,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1196. [2022-11-21 09:08:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 903 states have (on average 1.3565891472868217) internal successors, (1225), 908 states have internal predecessors, (1225), 210 states have call successors, (210), 83 states have call predecessors, (210), 82 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-11-21 09:08:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2022-11-21 09:08:26,212 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 69 [2022-11-21 09:08:26,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:26,213 INFO L495 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2022-11-21 09:08:26,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2022-11-21 09:08:26,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 09:08:26,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:26,220 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:26,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:08:26,221 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:26,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:26,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1198872686, now seen corresponding path program 1 times [2022-11-21 09:08:26,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:26,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451891829] [2022-11-21 09:08:26,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:26,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 09:08:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 09:08:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 09:08:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 09:08:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 09:08:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 09:08:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 09:08:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 09:08:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-21 09:08:26,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:08:26,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451891829] [2022-11-21 09:08:26,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451891829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:26,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:26,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:08:26,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975420335] [2022-11-21 09:08:26,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:26,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:08:26,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:08:26,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:08:26,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:08:26,597 INFO L87 Difference]: Start difference. First operand 1196 states and 1644 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-21 09:08:28,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:28,262 INFO L93 Difference]: Finished difference Result 1337 states and 1828 transitions. [2022-11-21 09:08:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 09:08:28,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2022-11-21 09:08:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:28,272 INFO L225 Difference]: With dead ends: 1337 [2022-11-21 09:08:28,272 INFO L226 Difference]: Without dead ends: 1334 [2022-11-21 09:08:28,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 09:08:28,274 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 953 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:28,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1204 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-21 09:08:28,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2022-11-21 09:08:28,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1224. [2022-11-21 09:08:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 922 states have (on average 1.3481561822125814) internal successors, (1243), 927 states have internal predecessors, (1243), 210 states have call successors, (210), 92 states have call predecessors, (210), 91 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-11-21 09:08:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1662 transitions. [2022-11-21 09:08:28,389 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1662 transitions. Word has length 89 [2022-11-21 09:08:28,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:28,390 INFO L495 AbstractCegarLoop]: Abstraction has 1224 states and 1662 transitions. [2022-11-21 09:08:28,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-21 09:08:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1662 transitions. [2022-11-21 09:08:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-21 09:08:28,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:28,396 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:28,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:08:28,397 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:28,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:28,398 INFO L85 PathProgramCache]: Analyzing trace with hash -552282000, now seen corresponding path program 1 times [2022-11-21 09:08:28,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:28,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247306035] [2022-11-21 09:08:28,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:28,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 09:08:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 09:08:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 09:08:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 09:08:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 09:08:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 09:08:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 09:08:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 09:08:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 09:08:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-21 09:08:28,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:08:28,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247306035] [2022-11-21 09:08:28,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247306035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:28,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:28,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:08:28,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563248103] [2022-11-21 09:08:28,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:28,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 09:08:28,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:08:28,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 09:08:28,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:08:28,702 INFO L87 Difference]: Start difference. First operand 1224 states and 1662 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 09:08:30,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:30,154 INFO L93 Difference]: Finished difference Result 2500 states and 3418 transitions. [2022-11-21 09:08:30,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 09:08:30,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2022-11-21 09:08:30,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:30,161 INFO L225 Difference]: With dead ends: 2500 [2022-11-21 09:08:30,161 INFO L226 Difference]: Without dead ends: 1306 [2022-11-21 09:08:30,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 09:08:30,166 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 309 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:30,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1643 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-21 09:08:30,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-11-21 09:08:30,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1226. [2022-11-21 09:08:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 924 states have (on average 1.3452380952380953) internal successors, (1243), 929 states have internal predecessors, (1243), 210 states have call successors, (210), 92 states have call predecessors, (210), 91 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-11-21 09:08:30,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1662 transitions. [2022-11-21 09:08:30,237 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1662 transitions. Word has length 99 [2022-11-21 09:08:30,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:30,238 INFO L495 AbstractCegarLoop]: Abstraction has 1226 states and 1662 transitions. [2022-11-21 09:08:30,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 09:08:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1662 transitions. [2022-11-21 09:08:30,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-21 09:08:30,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:30,243 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:30,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:08:30,243 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:30,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:30,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1573350354, now seen corresponding path program 1 times [2022-11-21 09:08:30,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:08:30,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935967663] [2022-11-21 09:08:30,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:30,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:08:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:08:30,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:08:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:08:30,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 09:08:30,621 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 09:08:30,622 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 09:08:30,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:08:30,630 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-21 09:08:30,634 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:08:30,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:08:30 BoogieIcfgContainer [2022-11-21 09:08:30,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:08:30,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:08:30,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:08:30,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:08:30,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:19" (3/4) ... [2022-11-21 09:08:30,803 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 09:08:30,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:08:30,804 INFO L158 Benchmark]: Toolchain (without parser) took 15525.33ms. Allocated memory was 138.4MB in the beginning and 266.3MB in the end (delta: 127.9MB). Free memory was 70.8MB in the beginning and 63.4MB in the end (delta: 7.4MB). Peak memory consumption was 138.5MB. Max. memory is 16.1GB. [2022-11-21 09:08:30,804 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory was 112.4MB in the beginning and 112.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:08:30,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2065.13ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 82.9MB in the end (delta: 62.9MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2022-11-21 09:08:30,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.60ms. Allocated memory is still 176.2MB. Free memory was 82.9MB in the beginning and 72.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 09:08:30,805 INFO L158 Benchmark]: Boogie Preprocessor took 155.57ms. Allocated memory is still 176.2MB. Free memory was 72.4MB in the beginning and 62.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 09:08:30,806 INFO L158 Benchmark]: RCFGBuilder took 2001.20ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 62.0MB in the beginning and 150.5MB in the end (delta: -88.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-11-21 09:08:30,806 INFO L158 Benchmark]: TraceAbstraction took 11053.43ms. Allocated memory was 218.1MB in the beginning and 266.3MB in the end (delta: 48.2MB). Free memory was 150.5MB in the beginning and 64.4MB in the end (delta: 86.1MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. [2022-11-21 09:08:30,806 INFO L158 Benchmark]: Witness Printer took 3.46ms. Allocated memory is still 266.3MB. Free memory was 64.4MB in the beginning and 63.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:08:30,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory was 112.4MB in the beginning and 112.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2065.13ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 82.9MB in the end (delta: 62.9MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.60ms. Allocated memory is still 176.2MB. Free memory was 82.9MB in the beginning and 72.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.57ms. Allocated memory is still 176.2MB. Free memory was 72.4MB in the beginning and 62.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2001.20ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 62.0MB in the beginning and 150.5MB in the end (delta: -88.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11053.43ms. Allocated memory was 218.1MB in the beginning and 266.3MB in the end (delta: 48.2MB). Free memory was 150.5MB in the beginning and 64.4MB in the end (delta: 86.1MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. * Witness Printer took 3.46ms. Allocated memory is still 266.3MB. Free memory was 64.4MB in the beginning and 63.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5883, overapproximation of bitwiseAnd at line 6549. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-2] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=7, ldvarg3=6, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=72, \result={0:0}, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=72, tmp___0=-3] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(72UL)={0:0}, ldvarg0=7, ldvarg3=6, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=7, ldvarg1=1, ldvarg3=6, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-4] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, ldvarg0=7, ldvarg1=1, ldvarg3=6, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 [L6233] FCALL ldv_initialize() [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=1, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=1, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=1] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=1, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=1, tmp___8=1] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6264] CALL, EXPR max3421_driver_init() [L6032] int tmp ; [L6034] CALL, EXPR spi_register_driver(& max3421_driver) [L6691] return __VERIFIER_nondet_int(); [L6034] RET, EXPR spi_register_driver(& max3421_driver) [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [\result=0, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp=0] [L6264] RET, EXPR max3421_driver_init() [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6268] CALL ldv_initialize_spi_driver_2() [L6159] void *tmp ; VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] CALL, EXPR ldv_zalloc(1496UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1496, \result={0:0}, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1496, tmp___0=-8] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(1496UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6268] RET ldv_initialize_spi_driver_2() [L6269] ldv_state_variable_3 = 1 [L6270] CALL ldv_initialize_hc_driver_3() [L6122] void *tmp ; [L6123] void *tmp___0 ; VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] CALL, EXPR ldv_zalloc(192UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=192, \result={0:0}, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=192, tmp___0=-9] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(192UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] CALL, EXPR ldv_zalloc(968UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=968, \result={0:0}, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=968, tmp___0=-10] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(968UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}] [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=1, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=1, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=2, tmp___8=1] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=1, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=1, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=2, tmp___8=1, tmp___9=10] [L6409] CALL max3421_urb_enqueue(max3421_hcd_desc_group1, max3421_hcd_desc_group0, ldvarg5) VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hcd->self.controller={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, urb={0:0}, urb={0:0}] [L5544] CALL, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, dev={-89:90}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr VAL [\old(ldv_spin)=0, __mptr={-89:90}, __this_module={97710505987:97710505988}, dev={-89:90}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={-89:90}] [L4071] return (tmp); VAL [\old(ldv_spin)=0, \result={-89:90}, __mptr={-89:90}, __this_module={97710505987:97710505988}, dev={-89:90}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={-89:90}] [L5544] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hcd->self.controller={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, to_spi_device(hcd->self.controller)={-89:90}, urb={0:0}, urb={0:0}] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={-89:90}, tmp={-89:90}, urb={0:0}, urb={0:0}] [L5546] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [\old(ldv_spin)=0, \result={0:899}, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5546] RET, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hcd_to_max3421(hcd)={0:899}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={-89:90}, tmp={-89:90}, urb={0:0}, urb={0:0}] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5550] case 0U: VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5557] default: VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5561] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5561] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={97710505987:97710505988}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L5564] CALL kzalloc(40UL, mem_flags) [L6513] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=1, \old(ldv_spin)=0, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=1, \old(ldv_spin)=0, __this_module={97710505987:97710505988}, flags=1, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6551] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3987] reach_error() VAL [\old(ldv_spin)=0, __this_module={97710505987:97710505988}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 536 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3325 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3145 mSDsluCounter, 6715 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4546 mSDsCounter, 1532 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3525 IncrementalHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1532 mSolverCounterUnsat, 2169 mSDtfsCounter, 3525 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1226occurred in iteration=4, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 369 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 150/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 09:08:30,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a --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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 09:08:33,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:08:33,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:08:33,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:08:33,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:08:33,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:08:33,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:08:33,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:08:33,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:08:33,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:08:33,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:08:33,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:08:33,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:08:33,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:08:33,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:08:33,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:08:33,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:08:33,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:08:33,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:08:33,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:08:33,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:08:33,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:08:33,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:08:33,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:08:33,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:08:33,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:08:33,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:08:33,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:08:33,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:08:33,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:08:33,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:08:33,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:08:33,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:08:33,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:08:33,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:08:33,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:08:33,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:08:33,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:08:33,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:08:33,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:08:33,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:08:33,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 09:08:33,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:08:33,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:08:33,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:08:33,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:08:33,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:08:33,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:08:33,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:08:33,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:08:33,521 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:08:33,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:08:33,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:08:33,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:08:33,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:08:33,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:08:33,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 09:08:33,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 09:08:33,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 09:08:33,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:08:33,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:08:33,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:08:33,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:08:33,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:08:33,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:08:33,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:33,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:08:33,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:08:33,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:08:33,526 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 09:08:33,526 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 09:08:33,526 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:08:33,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:08:33,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:08:33,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 09:08:33,527 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-11-21 09:08:33,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:08:33,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:08:33,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:08:33,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:08:33,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:08:33,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-11-21 09:08:37,111 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:08:37,644 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:08:37,645 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-11-21 09:08:37,693 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data/a74370c9a/35afdb3813c24c5c9e783d5633bc3f2d/FLAGf41db158b [2022-11-21 09:08:37,721 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/data/a74370c9a/35afdb3813c24c5c9e783d5633bc3f2d [2022-11-21 09:08:37,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:08:37,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:08:37,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:37,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:08:37,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:08:37,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:37" (1/1) ... [2022-11-21 09:08:37,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d00bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:37, skipping insertion in model container [2022-11-21 09:08:37,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:08:37" (1/1) ... [2022-11-21 09:08:37,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:08:37,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:08:38,419 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-21 09:08:38,420 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-21 09:08:38,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-11-21 09:08:39,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:39,326 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 09:08:39,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:08:39,466 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-21 09:08:39,466 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-21 09:08:39,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-11-21 09:08:39,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:39,712 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:08:39,847 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-21 09:08:39,848 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-21 09:08:39,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-11-21 09:08:40,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:08:40,203 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:08:40,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40 WrapperNode [2022-11-21 09:08:40,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:08:40,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:40,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:08:40,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:08:40,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,401 INFO L138 Inliner]: procedures = 178, calls = 1035, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1508 [2022-11-21 09:08:40,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:08:40,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:08:40,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:08:40,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:08:40,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,523 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:08:40,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:08:40,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:08:40,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:08:40,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (1/1) ... [2022-11-21 09:08:40,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:08:40,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:08:40,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:08:40,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:08:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 09:08:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-11-21 09:08:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-11-21 09:08:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 09:08:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 09:08:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 09:08:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 09:08:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-21 09:08:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-21 09:08:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-21 09:08:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 09:08:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 09:08:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 09:08:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 09:08:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 09:08:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 09:08:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 09:08:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 09:08:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-11-21 09:08:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-11-21 09:08:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-11-21 09:08:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-11-21 09:08:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 09:08:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 09:08:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 09:08:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 09:08:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-11-21 09:08:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-11-21 09:08:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 09:08:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 09:08:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 09:08:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 09:08:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-21 09:08:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 09:08:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 09:08:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-11-21 09:08:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-11-21 09:08:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-11-21 09:08:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-11-21 09:08:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 09:08:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 09:08:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:08:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-11-21 09:08:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-11-21 09:08:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:08:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-11-21 09:08:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-11-21 09:08:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:08:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 09:08:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 09:08:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 09:08:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-21 09:08:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-21 09:08:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-21 09:08:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-21 09:08:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 09:08:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 09:08:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 09:08:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 09:08:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-21 09:08:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:08:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 09:08:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 09:08:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-11-21 09:08:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-11-21 09:08:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 09:08:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 09:08:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-21 09:08:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 09:08:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 09:08:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-21 09:08:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-21 09:08:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-21 09:08:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-21 09:08:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-11-21 09:08:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-11-21 09:08:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-11-21 09:08:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-11-21 09:08:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 09:08:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 09:08:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:08:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:08:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-11-21 09:08:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-11-21 09:08:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-11-21 09:08:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-11-21 09:08:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 09:08:40,691 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 09:08:41,241 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:08:41,245 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:08:41,559 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 09:08:48,459 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:08:48,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:08:48,479 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:08:48,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:48 BoogieIcfgContainer [2022-11-21 09:08:48,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:08:48,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:08:48,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:08:48,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:08:48,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:08:37" (1/3) ... [2022-11-21 09:08:48,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d998fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:48, skipping insertion in model container [2022-11-21 09:08:48,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:08:40" (2/3) ... [2022-11-21 09:08:48,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d998fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:08:48, skipping insertion in model container [2022-11-21 09:08:48,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:48" (3/3) ... [2022-11-21 09:08:48,498 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-11-21 09:08:48,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:08:48,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 09:08:48,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:08:48,644 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;@2f519a93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:08:48,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 09:08:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-11-21 09:08:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 09:08:48,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:48,689 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:48,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:48,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:48,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1460430108, now seen corresponding path program 1 times [2022-11-21 09:08:48,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:08:48,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805371362] [2022-11-21 09:08:48,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:48,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:48,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:08:48,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 09:08:48,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 09:08:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:49,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:08:49,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:08:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 09:08:49,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:08:49,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:08:49,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805371362] [2022-11-21 09:08:49,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805371362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:49,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:49,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:08:49,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219404276] [2022-11-21 09:08:49,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:49,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:08:49,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:08:49,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:08:49,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:49,556 INFO L87 Difference]: Start difference. First operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:49,884 INFO L93 Difference]: Finished difference Result 1473 states and 2085 transitions. [2022-11-21 09:08:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:08:49,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-11-21 09:08:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:49,910 INFO L225 Difference]: With dead ends: 1473 [2022-11-21 09:08:49,920 INFO L226 Difference]: Without dead ends: 910 [2022-11-21 09:08:49,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:49,938 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 569 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:49,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1540 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 09:08:49,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-11-21 09:08:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 907. [2022-11-21 09:08:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 675 states have (on average 1.3644444444444443) internal successors, (921), 678 states have internal predecessors, (921), 171 states have call successors, (171), 61 states have call predecessors, (171), 60 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2022-11-21 09:08:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2022-11-21 09:08:50,088 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2022-11-21 09:08:50,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:50,089 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2022-11-21 09:08:50,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2022-11-21 09:08:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 09:08:50,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:50,095 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:50,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-21 09:08:50,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:50,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:50,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:50,316 INFO L85 PathProgramCache]: Analyzing trace with hash 773574401, now seen corresponding path program 1 times [2022-11-21 09:08:50,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:08:50,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375606026] [2022-11-21 09:08:50,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:08:50,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 09:08:50,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-21 09:08:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:50,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:08:50,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:08:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 09:08:50,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:08:50,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:08:50,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375606026] [2022-11-21 09:08:50,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1375606026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:50,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:50,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:08:50,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770923906] [2022-11-21 09:08:50,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:50,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:08:50,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:08:50,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:08:50,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:50,902 INFO L87 Difference]: Start difference. First operand 907 states and 1262 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:51,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:51,284 INFO L93 Difference]: Finished difference Result 2081 states and 2880 transitions. [2022-11-21 09:08:51,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:08:51,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2022-11-21 09:08:51,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:51,299 INFO L225 Difference]: With dead ends: 2081 [2022-11-21 09:08:51,300 INFO L226 Difference]: Without dead ends: 1201 [2022-11-21 09:08:51,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:51,304 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 296 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:51,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1481 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 09:08:51,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-11-21 09:08:51,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1196. [2022-11-21 09:08:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 903 states have (on average 1.3565891472868217) internal successors, (1225), 908 states have internal predecessors, (1225), 210 states have call successors, (210), 83 states have call predecessors, (210), 82 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-11-21 09:08:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2022-11-21 09:08:51,433 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 68 [2022-11-21 09:08:51,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:51,433 INFO L495 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2022-11-21 09:08:51,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 09:08:51,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2022-11-21 09:08:51,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 09:08:51,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:51,446 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:51,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:08:51,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:51,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:51,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:51,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1703027901, now seen corresponding path program 1 times [2022-11-21 09:08:51,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:08:51,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952977004] [2022-11-21 09:08:51,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:51,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:51,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:08:51,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 09:08:51,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-21 09:08:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:52,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 09:08:52,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:08:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-21 09:08:52,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:08:52,457 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:08:52,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952977004] [2022-11-21 09:08:52,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952977004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:52,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:52,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:08:52,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013925560] [2022-11-21 09:08:52,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:52,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:08:52,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:08:52,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:08:52,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:08:52,459 INFO L87 Difference]: Start difference. First operand 1196 states and 1644 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 09:08:52,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:52,960 INFO L93 Difference]: Finished difference Result 3184 states and 4558 transitions. [2022-11-21 09:08:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:08:52,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2022-11-21 09:08:52,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:52,975 INFO L225 Difference]: With dead ends: 3184 [2022-11-21 09:08:52,976 INFO L226 Difference]: Without dead ends: 2018 [2022-11-21 09:08:52,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 09:08:52,985 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 450 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:52,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 5406 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 09:08:52,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-11-21 09:08:53,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1208. [2022-11-21 09:08:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 913 states have (on average 1.352683461117196) internal successors, (1235), 918 states have internal predecessors, (1235), 210 states have call successors, (210), 83 states have call predecessors, (210), 84 states have return successors, (213), 210 states have call predecessors, (213), 209 states have call successors, (213) [2022-11-21 09:08:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1658 transitions. [2022-11-21 09:08:53,082 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1658 transitions. Word has length 89 [2022-11-21 09:08:53,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:53,083 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1658 transitions. [2022-11-21 09:08:53,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 09:08:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1658 transitions. [2022-11-21 09:08:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-21 09:08:53,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:53,089 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:53,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:08:53,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:53,303 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:53,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:53,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1234457031, now seen corresponding path program 1 times [2022-11-21 09:08:53,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:08:53,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938934335] [2022-11-21 09:08:53,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:53,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:53,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:08:53,306 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 09:08:53,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-21 09:08:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:53,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 09:08:53,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:08:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-21 09:08:54,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:08:54,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:08:54,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938934335] [2022-11-21 09:08:54,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938934335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:54,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:54,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:08:54,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418309776] [2022-11-21 09:08:54,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:54,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:08:54,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:08:54,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:08:54,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:54,020 INFO L87 Difference]: Start difference. First operand 1208 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-21 09:08:54,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:54,472 INFO L93 Difference]: Finished difference Result 3158 states and 4354 transitions. [2022-11-21 09:08:54,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:08:54,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2022-11-21 09:08:54,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:54,485 INFO L225 Difference]: With dead ends: 3158 [2022-11-21 09:08:54,485 INFO L226 Difference]: Without dead ends: 1980 [2022-11-21 09:08:54,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:54,492 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 610 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:54,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1553 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 09:08:54,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-11-21 09:08:54,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1975. [2022-11-21 09:08:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1510 states have (on average 1.3410596026490067) internal successors, (2025), 1519 states have internal predecessors, (2025), 323 states have call successors, (323), 139 states have call predecessors, (323), 141 states have return successors, (328), 323 states have call predecessors, (328), 322 states have call successors, (328) [2022-11-21 09:08:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2676 transitions. [2022-11-21 09:08:54,622 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2676 transitions. Word has length 100 [2022-11-21 09:08:54,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:54,622 INFO L495 AbstractCegarLoop]: Abstraction has 1975 states and 2676 transitions. [2022-11-21 09:08:54,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-21 09:08:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2676 transitions. [2022-11-21 09:08:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-21 09:08:54,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:54,629 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:54,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-21 09:08:54,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:54,842 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:54,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1464572768, now seen corresponding path program 1 times [2022-11-21 09:08:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:08:54,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333093781] [2022-11-21 09:08:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:54,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:08:54,845 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 09:08:54,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-21 09:08:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:08:55,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 09:08:55,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:08:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-21 09:08:55,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:08:55,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 09:08:55,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333093781] [2022-11-21 09:08:55,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333093781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:08:55,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:08:55,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:08:55,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643417925] [2022-11-21 09:08:55,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:08:55,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:08:55,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 09:08:55,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:08:55,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:55,436 INFO L87 Difference]: Start difference. First operand 1975 states and 2676 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 09:08:55,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:08:55,568 INFO L93 Difference]: Finished difference Result 3928 states and 5334 transitions. [2022-11-21 09:08:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:08:55,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2022-11-21 09:08:55,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:08:55,578 INFO L225 Difference]: With dead ends: 3928 [2022-11-21 09:08:55,579 INFO L226 Difference]: Without dead ends: 1983 [2022-11-21 09:08:55,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:08:55,585 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 18 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:08:55,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1407 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:08:55,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-11-21 09:08:55,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1979. [2022-11-21 09:08:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1979 states, 1514 states have (on average 1.3375165125495376) internal successors, (2025), 1523 states have internal predecessors, (2025), 323 states have call successors, (323), 139 states have call predecessors, (323), 141 states have return successors, (328), 323 states have call predecessors, (328), 322 states have call successors, (328) [2022-11-21 09:08:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2676 transitions. [2022-11-21 09:08:55,706 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2676 transitions. Word has length 99 [2022-11-21 09:08:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:08:55,707 INFO L495 AbstractCegarLoop]: Abstraction has 1979 states and 2676 transitions. [2022-11-21 09:08:55,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 09:08:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2676 transitions. [2022-11-21 09:08:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-21 09:08:55,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:08:55,713 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:08:55,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-21 09:08:55,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:55,957 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 09:08:55,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:08:55,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1809326174, now seen corresponding path program 1 times [2022-11-21 09:08:55,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 09:08:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486635641] [2022-11-21 09:08:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:08:55,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:55,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 09:08:55,965 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 09:08:56,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-21 09:08:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:08:56,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 09:08:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 09:08:57,379 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-21 09:08:57,380 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 09:08:57,381 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 09:08:57,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-21 09:08:57,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 09:08:57,605 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-21 09:08:57,609 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:08:57,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:08:57 BoogieIcfgContainer [2022-11-21 09:08:57,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:08:57,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:08:57,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:08:57,798 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:08:57,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:08:48" (3/4) ... [2022-11-21 09:08:57,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 09:08:57,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:08:57,803 INFO L158 Benchmark]: Toolchain (without parser) took 20077.97ms. Allocated memory was 65.0MB in the beginning and 232.8MB in the end (delta: 167.8MB). Free memory was 34.6MB in the beginning and 92.7MB in the end (delta: -58.1MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2022-11-21 09:08:57,803 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:08:57,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2477.91ms. Allocated memory was 65.0MB in the beginning and 125.8MB in the end (delta: 60.8MB). Free memory was 34.3MB in the beginning and 63.6MB in the end (delta: -29.3MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-21 09:08:57,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.29ms. Allocated memory is still 125.8MB. Free memory was 63.6MB in the beginning and 53.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 09:08:57,804 INFO L158 Benchmark]: Boogie Preprocessor took 162.88ms. Allocated memory is still 125.8MB. Free memory was 53.7MB in the beginning and 66.1MB in the end (delta: -12.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-21 09:08:57,804 INFO L158 Benchmark]: RCFGBuilder took 7915.59ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 66.1MB in the beginning and 112.0MB in the end (delta: -45.9MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2022-11-21 09:08:57,805 INFO L158 Benchmark]: TraceAbstraction took 9309.28ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 112.0MB in the beginning and 92.7MB in the end (delta: 19.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-21 09:08:57,805 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 232.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:08:57,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 49.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2477.91ms. Allocated memory was 65.0MB in the beginning and 125.8MB in the end (delta: 60.8MB). Free memory was 34.3MB in the beginning and 63.6MB in the end (delta: -29.3MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.29ms. Allocated memory is still 125.8MB. Free memory was 63.6MB in the beginning and 53.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.88ms. Allocated memory is still 125.8MB. Free memory was 53.7MB in the beginning and 66.1MB in the end (delta: -12.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7915.59ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 66.1MB in the beginning and 112.0MB in the end (delta: -45.9MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9309.28ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 112.0MB in the beginning and 92.7MB in the end (delta: 19.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 232.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3987]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5883. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-2147483648] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg3=13, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=72, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=72, tmp___0=-2147483648] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(72UL)={0:0}, ldvarg0=12, ldvarg3=13, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg3=13, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-2147483648] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, ldvarg0=12, ldvarg1=14, ldvarg3=13, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 [L6233] FCALL ldv_initialize() [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1, tmp___8=1] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6264] CALL, EXPR max3421_driver_init() [L6032] int tmp ; [L6034] CALL, EXPR spi_register_driver(& max3421_driver) [L6691] return __VERIFIER_nondet_int(); [L6034] RET, EXPR spi_register_driver(& max3421_driver) [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [\result=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp=0] [L6264] RET, EXPR max3421_driver_init() [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6268] CALL ldv_initialize_spi_driver_2() [L6159] void *tmp ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] CALL, EXPR ldv_zalloc(1496UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1496, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1496, tmp___0=-2147483648] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(1496UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6268] RET ldv_initialize_spi_driver_2() [L6269] ldv_state_variable_3 = 1 [L6270] CALL ldv_initialize_hc_driver_3() [L6122] void *tmp ; [L6123] void *tmp___0 ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] CALL, EXPR ldv_zalloc(192UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=192, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=192, tmp___0=-2147483648] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(192UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] CALL, EXPR ldv_zalloc(968UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=968, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=968, tmp___0=-2147483648] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(968UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}] [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1, tmp___9=10] [L6409] CALL max3421_urb_enqueue(max3421_hcd_desc_group1, max3421_hcd_desc_group0, ldvarg5) VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, urb={0:0}, urb={0:0}] [L5544] CALL, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, __this_module={0:0}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [\old(ldv_spin)=0, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr VAL [\old(ldv_spin)=0, __mptr={0:-9223372036854775808}, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:-9223372036854775808}] [L4071] return (tmp); VAL [\old(ldv_spin)=0, \result={0:-9223372036854775808}, __mptr={0:-9223372036854775808}, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:-9223372036854775808}] [L5544] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, to_spi_device(hcd->self.controller)={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5546] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [\old(ldv_spin)=0, \result={0:899}, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5546] RET, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd_to_max3421(hcd)={0:899}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5550] case 0U: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5557] default: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5561] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5561] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L5564] CALL kzalloc(40UL, mem_flags) [L6513] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=16, \old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=16, \old(ldv_spin)=0, __this_module={0:0}, flags=16, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6551] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3987] reach_error() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 536 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1985 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1943 mSDsluCounter, 11387 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6847 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 4540 mSDtfsCounter, 198 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1979occurred in iteration=5, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 827 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3472 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 213/213 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 09:08:57,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef8246d-8004-4841-bea3-a724a2d3673b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample